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Abstract

Poor working memory skills are relatively commonplace in childhood, and have a substantial advance impact on children's Learning. This article describes the profile of cognitive and behavioural characteristics associated with working memory, methods for assessing working memory skills, and ways of supporting the Learning needs of children affected by this problem.
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Working memory and classroom learning
Susan E. Gathercole and Tracy P. Alloway
University of Durham
To appear in: Journal of Professional Association for Teachers of Students with
Specific Learning Difficulties
Contact information:
Working Memory Research Group
Department of Psychology
University of Durham
Science Laboratories
South Road
Durham DH1 3LE
Email: s.e.gathercole@durham.ac.uk
Tel: 0191 3343255
www.psychology.dur.ac.uk/research/wm/index.htm
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What is ‘working memory’?
The term ‘working memory’ refers to the ability to hold and manipulate
information in the mind for a short period of time. It has often been described as a
flexible mental workspace in which we can store important information in the course
of complex mental activities. A good example of our use of working memory in
everyday life is mental arithmetic. Consider, for example, attempting to multiply two
two-digit numbers (e.g., 27 and 48) without using a paper and pencil, or a calculator.
To do this successfully, it is necessary to store the two numbers, and then
systematically apply multiplication rules, storing the intermediate products that are
generated as we proceed through the stages of the calculation. It is only if we manage
to meet both the storage and processing demands of the activity that the correct
answer can be reached. Carrying out such mental activities is a process that is
effortful and error-prone. A minor distraction such as an unrelated thought springing
to mind or an interruption by someone else is likely to result in complete loss of the
stored information, and so in a failed calculation attempt. As no amount of effort will
allow us to remember again the lost information, the only course of action is to start
the calculation afresh. Our abilities to carry out such calculations are limited by the
amount of information we have to store and process. Multiplying larger numbers
(e.g., 142 and 891) “in our heads” is for most of us out of the question, even though it
does not require greater mathematical knowledge than the earlier example. The
reason we cannot do this is that the storage demands of the activity exceed the
capacity of working memory.
This example illustrates some important features of working memory. First, it
is an extremely useful and flexible system that we use in everyday life. Second,
working memory requires attention and is prone to catastrophic loss if attention is
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shifted away from its contents, for example when we are distracted by an
interruption. As information cannot be recovered once it has been lost, it is an
extremely fragile system. Third, working memory capacities are limited. Capacities
vary across individual, but for any person there is a limit to what can be held in this
mental workspace; if this limit is exceeded, information is lost. Finally, we have
conscious access to the contents of working memory: we know what we have
successfully stored, and we know when information has been lost. Our subjective
experience of using working memory is of effortful mental juggling, trying to keep
all of the crucial information in mind at once.
Working memory in childhood
There is substantial evidence that working memory plays an important role in
learning, especially during the childhood years. Relevant studies have typically
investigated the relation between children’s working memory capacity and their
learning achievements in areas such as literacy, language, and mathematics. Working
memory capacity is usually measured by complex memory span tasks in which the
child has to both store and process information simultaneously. An example of such a
task is listening recall. In this task, the child has to listen to a series of sentences, to
decide whether each sentence is true or false (e.g., rabbits have ears – “true”,
bananas can fly – “false”), and then at the end of the block of sentences to recall the
last word of each sentence in correct sequence (“ears, fly”). The number of sentences
in each block is increased until the point at which the child can no longer accurately
recall the final words. Performance is scored in terms of the number of trials correct,
and a child with greater working memory capacity will obtain higher scores. Not all
complex span tasks involve processing the meaning of sentences and remembering
words. Another commonly used complex memory span task is counting recall, in
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which the child counts the number of dots in a series of arrays, and then attempts to
recall the tally number in sequence.
Insert Figure 1 about here
Working memory capacity shows a steady developmental increase across the
early and middle childhood years. This is demonstrated in Figure 1, which shows
mean scores on the listening recall test of Working Memory Test Battery for Children
(WMTB-C, Pickering & Gathercole, 2001) for children aged 5 to 15 years in the
standardisation sample. Performance improves from 5 years until the teenage years,
when it starts levelling off. Adult levels of performance are typically reached by
about 15 years. One important feature of working memory capacity during childhood
is the extent to which it varies very widely across individuals of the same age. This is
illustrated by the considerable distance between the two bars shown for each age in
Figure 1, which mark the 10
th
and 90 centiles. At some ages, the distance between
these bars is equivalent to four or five years’ variation in terms of age-appropriate
performance. This amount of variation in working memory capacity would be
expected between the three children with the highest and lowest working memory
skills in an average class.
Working memory and Key Stage performance
Children’s working memory abilities are closely related to their performance in Key
Stage assessments of the national curriculum. In an initial study, we assessed working
memory skills in a sample of six- and seven-year old children who were about to
complete Key Stage 1 assessments (Gathercole & Pickering, 2000). The children who
subsequently failed to reach expected levels of attainment for their age – levels W or
1 – scored very poorly on working memory measures, and particularly on verbal
complex memory span tests.
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Insert Figure 2 about here
This association between working memory skills and Key Stage performance
has been replicated and extended in a series of further studies. Gathercole, Pickering,
Stegmann & Wright (2004) found that working memory skills were excellent
predictors of whether children would obtain low, average or above high scores on
both English and maths assessments at Key Stage 1 (6/7 years) and maths
assessments at Key Stage 3 (13/14 years). Mean standard scores on working memory
measures (100 is average for age, with a standard deviation of 15) are shown in
Figure 2 for three Key Stage 1 ability groups in English (low, average, and high).
Scores under 100 reflect performance below the national average on the memory
measures, and scores above 100 are above average. It can clearly be seen from the
figure that children with low attainment levels on the English assessments typically
had poor working memory scores, and that children with the highest attainment levels
tended to have working memory skills that were considerably above the average for
their age.
Close links between working memory and learning attainments were also
demonstrated in a longitudinal study in which working memory skills were measured
shortly after school entry. Gathercole, Brown, & Pickering (2003) assessed working
memory within two months of children commencing full-time education in reception
class. At the same time, the children were evaluated by their school using the local
baseline assessment scheme on their emerging abilities in the areas of reading,
language, speaking and listening, mathematics, and social skills. We were interested
in comparing the extent to which the children’s levels of attainments at Key Stage 1
almost three school years later were predicted working memory scores. The results
were intriguing. Both working memory and baseline assessments scores predicted
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Key Stage 1 attainment levels in English. However, the two predictive paths from
both working memory and baseline assessment scores at 4/5 years and later English
attainment levels were independent of one another, as shown in the diagram of causal
paths in Figure 3.
Insert Figure 3 about here
The different pathways leading to Key Stage 1 performance seem to reflect
fundamental differences in the abilities being measured in the working memory
assessments and the baseline assessment schemes, both of which make important
contributions to later attainments. Baseline assessments largely measure knowledge
that the child has already gained in the course of their experiences and learning
achievements prior to school. Examples of typical test items on baseline scales are
whether or not the child can write his or her own name, or recognize printed letters or
digits. Children’s scores highly on such test items will reflect whether or not they
have already acquired the relevant knowledge, and this is likely to be strongly
influenced by their prior experiences both in the home and in pre-school education as
well as their basic learning abilities.
Working memory assessments are quite different in nature. Children’s performance
on these measures does not reflect what they have or have not learned prior to the
tests, as the test materials are designed to be equally unfamiliar to all participants. No
child will therefore benefit from knowledge acquired previously in performing these
tests. Consistent with this, performance on working memory tests is independent of
general background factors such as socio-economic status and preschool education
(e.g., Alloway, Gathercole, Adams, & Willis, 2003). Baseline assessments, on
contrast, are significantly associated with such factors. What constrains performance
on working memory measures is working memory capacity. We suggest that the
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predictive pathway from working memory skills to curriculum attainments reflects the
role of working memory in supporting learning, and provides a relatively pure
indication of a child’s learning potential that is independent of more general
environmental factors. The most effective way of identifying children at risk of low
educational attainment is therefore likely to be assessments that combine children’s
knowledge in key areas at school entry (such as Foundation Stage profiles) with purer
tests of learning ability that are independent of prior experience, such as working
memory measures.
Working memory and special educational needs
If poor working memory skills do limit a child’s capacity to learn complex skills and
acquire new knowledge, individuals with extreme deficits of working memory should
experience marked learning difficulties. We had the opportunity to test this possibility
in the course of our standardisation of the Working Memory Test Battery for Children
(Pickering & Gathercole, 2001). Approximately 750 children aged between 4 and 15
years participated in this study and of these, almost 100 children had special
educational needs recognised by their schools. Once the test scores were standardised
on the entire sample, we looked at the working memory profiles of the children with
different kinds of special educational needs (Pickering & Gathercole, 2004). In the
group with learning difficulties in both literacy and mathematics, low scores on both
working memory and phonological loop tests were 31 times more common than in the
remainder of the standardisation sample who had no special educational needs. In a
small group of children whose learning difficulties were specific to language, this
profile was 43 times more common than in the comparison sample. The degree of
working memory impairment of these children with recognized learning difficulties
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was therefore very unusual in the general population. In contrast, children with
recognized special educational needs of a non-cognitive origin (such as children with
behavioural problems) had normal working memory skills.
A further important finding is that working memory skills tend to be most impaired
in children whose learning difficulties are pervasive rather than specific in nature.
Across two studies, we have found that the most severe deficits of working memory
are found in children whose learning difficulties include both literacy and
mathematics (Alloway, Gathercole, Adams, & Willis, 2004; Pickering & Gathercole,
2004). Individuals with problems specific to literacy, in contrast, have working
memory skills that typically fall in the low normal range. The clear implication is that
children with very poor working memory function experience difficulties in learning
that are of a relatively general nature.
Working memory and Specific Language Impairment
Working memory deficits also appear to be a key feature of Specific Language
Impairment (SLI). SLI is diagnosed in children whose language development falls
significantly behind that expected on the basis of age, despite normal general
cognitive function, sensory abilities, and other developmental experiences.
In a recent study, we investigated working memory abilities in children with SLI
(Archibald & Gathercole, 2003). Deficits on verbal working memory tasks were
present in our group of SLI children, and the majority also performed very poorly on
measures of verbal short-term memory. These deficits were 50 times more common in
this group of children in the general population. It should be noted that this finding of
a close link between working memory deficits and language impairments is not in
conflict with the claim above that poor memory function leads to general rather than
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specific deficits in learning: all of the SLI children in this sample showed impairments
in mathematics and literacy as well as language.
Case studies
We have recently begun to explore in more detail the learning difficulties
experienced in the classroom by children with very poor working memory skills. To
do this, we observed three children in Year 1 who were selected on the basis of very
low scores on working memory assessments administered early on in Reception class
(Gathercole, Lamont, & Alloway, in press).
At the time of the observations, Jay, Andrew and Nathan were working in the
lowest ability groups in the class. All three children had good social skills, and were
relatively popular with their peers and teacher. They were, however, reserved in group
discussions. In each case their teachers viewed their main problems as relating to lack
of attention and motivation (e.g., “He doesn’t listen to a word I say”), although the
children showed no consistent evidence of attentional deficits using a diagnostic test
based on teacher ratings of behaviour. Interestingly, the teachers did not identify
memory as a problem for any of the children.
The children showed frequent task failures in four aspects of routine classroom
activities that we consider to impose significant burdens on working memory. These
areas of failure are summarised below.
Forgetting instructions
The most commonly observed memory-related failure in all three children was an
inability to follow instructions from the teacher. The failure appeared to be due to
forgetting the content of the instruction, particularly when it was fairly lengthy and
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did not represent a routine classroom activity. Here are three examples of this kind of
failure.
On one occasion, the teacher gave the following instruction to Jay: “Put your
sheets on the green table, put your arrow cards in the packet, put your pencil away
and come and sit on the carpet”. Jay failed to put his sheet on the green table. Teacher
asked Jay if he could remember where he was supposed to put it; he couldn’t, and
needed reminding.
A second example involved Nathan. His teacher handed him his computer login
cards and told to go and work on computer number 13. He failed to do this, because
he had forgotten what computer he had been told to use.
Finally, Andrew was asked to go back and put an n in the word bean. He went
back and asked the classroom assistant what he had been asked to do.
Considered individually, these failures to remember instructions may seem to
have relatively trivial consequences. However, the children’s frequent forgetting of
general instructions and specific task guidance was noted to impair both their
individual successes in completing learning activities and the smooth running of the
classroom.
Losing track in complex tasks
All three children experienced marked difficulties in writing a sentence either
generated by the child himself or provided by the teacher. The task structure of
writing a sentence accurately consists of a hierarchy involving three levels – letters,
words, and the sentence. If the sentence is internally generated by the child or spoken
by the teacher, its surface form needs to be maintained to guide the writing of the
words and their individual letters, and the child has to keep track of the position in the
sentence while writing. If the task involves copying a sentence the burden of sentence
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representation in working memory is reduced, but the child still needs to keep track of
their position while writing.
Two types of failure were observed in writing. The first type of error involved the
child forgetting either some or all of the sentence content. This was relatively easy to
identify, as it was common practice for teachers to check with children in lower
ability groups if they were able to repeat the sentence before beginning to write it. Jay,
Nathan and Andrew all demonstrated on occasion that they were unable to do this.
The second type of error involved the child losing track of his position in the
sentence. This resulted in omission of words, repetition of words (when the child
forgot that the word has already been written), intrusion of words that were not in the
target sentence, and (frequently) abandonment of the task.
Jay provided an example of both types of writing failure when he was working
with his teacher and the rest of the low ability group. The teacher decided that the
children should write He had 36 barrels of gunpowder. The sentence was repeated
until the children appeared to remember it. Jay successfully wrote he and had, and
then could not remember what to write next. The teacher asked him to read what he
had already written and then to say what word came next, but he could not. The
teacher reminded him of the sentence. Jay then got stuck after writing several letters
of the word gunpowder, attempted and failed to get the teacher’s attention to help
him, and then forgot that the word needed completing.
A further example of a place-keeping error was provided by Andrew. The teacher
wrote on the board Monday 11
th
November and, underneath, The Market, which was
the title of the piece of work. Andrew lost his place in the laborious attempt to copy
the words down letter by letter, writing moNemarket. It appeared that he begun to
write the date, forgot what he was doing and began writing the title instead.
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Failing to cope with simultaneous processing and storage demands
Jay, Nathan and Andrew all frequently struggled in structured activities whose
successful completion involved engaging in a relatively demanding processing
activity at the same time as storage of information. Many of these activities involved
counting. Although all three children were capable of counting accurately in the
context of a simple task, many classroom activities combined counting with other
cognitive processes. One frequent activity in literacy sessions involved counting the
numbers of words in a sentence, often prior to writing the sentence down. Nathan was
unable to recall the sentence, isolate each word and count it without assistance from
the teacher. A group activity in Andrew’s class was to count the number of sentences
in a text. Andrew was unable to keep track of the tally number while reading aloud the
text. In both cases, the task failure appeared to result from combining the memory
demands of counting (keeping track of the tally number) in the context of a concurrent
and fairly demanding processing activity.
There was frequent use in each classroom of number aids, designed to facilitate
children’s grasp and mastery of counting and basic arithmetic. Examples include
number lines, number fans, and Unifix blocks. In each case, the device provides a
means of representing number physically. The children in the low working memory
group struggled to take full advantage of the support potentially provided by these
number aids. Number lines are designed to facilitate counting, by allowing the child to
jump one step at a time from a starting number. Nathan was encouraged to use a
number line when counting up the number of ducks shown on two cards, but struggled
to coordinate the act of jumping along the line with counting up to the second number.
He abandoned the attempt, solving the sum instead by counting up the total number of
ducks on the two cards. Similarly, Andrew was observed to choose not to use the
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number line when available, but instead to count on his fingers. In both cases, the
unfamiliar activity of counting along the points of the number line to a stored target
number appeared to impose a greater working memory load than simple counting of
the physical events.
Further failures were observed in activities that involved the detection of target
items in spoken or written text. These tasks imposed significant processing demands
(analysis and comprehension of spoken language, or text reading) in conjunction with
the storage of multiple items. For example, the children in Nathan’s class were asked
to identify the rhyming words in a text read aloud by the teacher. They had to wait
until all four lines had been read before telling the teacher the two words that rhymed:
tie, and fly. This task involves matching the sound structures of a pair of words, and
storing them. Nathan was unable to do this. A related activity in Jay’s class involved
the teacher writing number sequences on the white board with some numbers missing.
She counted the number aloud, and asked the class what numbers she had missed out.
In each case, there was more than one number missing (e.g., 0, 1, 2, 4, 5, 7, 8). Here,
the child has to use their number knowledge to identify each missing number, and
store them. Jay was unable to tell the teacher the numbers she had missed out on all
occasions.
All of the tasks discussed here share the common feature of imposing significant
processing demands on the child, combined with a storage load. In themselves, the
storage loads do not appear to be particularly excessive. In the case of counting-based
activities, the child simply has to retain the tally number and sometimes the target
number to which he must count, and in the examples of the detection tasks supplied
above the child had only to store two items in each case. In isolation, it seems likely
the child would be able to meet these storage requirements without difficulty. The
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task failures appear to arise from the combining storage with the significant
processing demands of the task.
Longer-term forgetting
Memory failures that extended beyond the duration of working memory were
observed on a number of occasions, with all three children failing on several
occasions to remember information that they had encountered in an earlier activity in
the day. This raises the possibility that poor working memory skills may limit the
flow of information through to longer-term memory systems, leading to poor
functioning in several memory systems.
Two examples illustrate this point. Jay’s teacher discussed bonfire night and read
the story of Guy Fawkes to the class. When Jay was asked “What might you see in the
sky tomorrow night?” he failed to answer fireworks. He was also unable to say what
Guy Fawkes planned to do, even after writing the sentence in answer to the question.
Similarly, in a class activity involving the teacher and class together reading from a
big book, Nathan was unable to answer any questions asked about the text.
Implications for classroom practice
We suggest that these frequent failures of low memory children to meet the
working memory demands of classroom activities may be at least one cause of the
poor academic progress that they typically make. In order to reach expected
attainment targets, the child has to succeed in many different structured learning
activities designed to build up gradually across time the body of knowledge and skills
that they need in areas of the curriculum such as literacy and mathematics. If the
children frequently fail in individual learning situations simply because they cannot
store and manipulate information in working memory, their progress is acquiring
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complex knowledge and skills in areas such as literacy and mathematics will be slow
and difficult.
As yet, no ways of improving working memory skills have been identified.
However, we suggest that the learning progress of children with poor working
memory skills can be improved dramatically by reducing working memory demands
in the classroom. Here we consider a number of ways in which this can be achieved
in school, summarised in Table 1.
Table 1 about here
First, it is important to ensure that the child can remember what he or she is doing.
On many occasions, we observed children with low working memory simply
forgetting what they had to do next, leading to failure to complete many learning
activities. Children’s memory for instructions will be improved by using the
instructions that are as brief and simple as possible. Instructions should be broken
down into individual steps where possible. One effective strategy for improving the
child’s memory for the task is frequent repetition of instructions. For tasks that take
place over an extended period of time, reminding the child of crucial information for
that particular phase of the task rather than repetition of the original instruction is
likely to be most useful. Finally, one of the best ways to ensure that the child has not
forgotten crucial information is to ask them to repeat it back. Our observations
indicate that the children themselves have good insight into their working memory
failures.
Second, in activities that involve the child in both processing and storage
information, working memory demands and hence task failures will be reduced if the
processing demands are decreased. For example, sentence writing was a source of
particular difficulty for all of the children with low working memory that we
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observed. Sentence processing difficulty can be lessened by reducing the linguistic
complexity of the sentence. This can be achieved in a variety of ways, such as
simplifying the vocabulary, and using common rather than more unusual words. In
addition, the syntax of the sentence can be simplified, by encouraging the child to use
simple structures such as active subject-verb-object constructions rather than
sentences with a complex clausal structure. The sentences can also be reduced in
length. A child with poor working memory skills working with short sentences,
relatively unfamiliar words and easy syntactic forms are much more likely to hold in
working memory the sentence form and to succeed in a reasonable attempt at writing
the sentence.
Third, the problem of the child losing his or her place in a complex activity can be
reduced by breaking down the tasks into separate steps, and by providing memory
support. External memory aids such as useful spellings displayed on the teacher’s
board or the classroom walls and number lines are widely used in classrooms. In our
observational study, however, we found that children with poor working memory
function often chose not to use such devices, but gravitated instead towards lower-
level strategies with lower processing requirements reduced general efficient example.
In order to encourage children’s use of memory aids, it may be necessary to give the
child regular periods of practice in the use of the aids in the context of simple
activities with few working memory demands.
Difficulties in keeping place in complex task structure may also be eased by
increasing access to useful spellings will also help prevent them losing their place in
writing activities. Reducing the processing load and opportunity for error in spelling
individual words will increase the child’s success in completing the sentence as a
whole. However, reading off information from spellings on key words on the
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teachers’ board was itself observed to be a source of error in low memory children in
our study, with children commonly losing their place within the word. Making
available spellings of key words on the child’s own desk rather than a distant class
board may reduce these errors by making the task of locating key information easier
and reducing opportunities for distraction. It may also be beneficial to develop ways
of marking the child’s place in word spellings as a means of reducing place-keeping
errors during copying.
A final recommendation for improving the learning successes of individuals with
poor working memory skills is to develop in the children effective strategies for
coping with situations in which they experience working memory failures. Strategies
may include encouraging the child to ask for forgotten information where necessary,
training in the use of memory aids, and encouragement to continue with complex
tasks rather than abandoning them even if some of the steps are not completed due to
memory failure. Arming the child with such self-help strategies will promote their
development as independent learners able to identify and support their own learning
needs.
Current research
Following the principles outlined above, we are now working on a programme
designed to identify and provide learning support in the classroom for children with
working memory deficits. In this programme, children will be screened for working
memory impairments using the Automated Working Memory Assessment battery
(AWMA). The AWMA is a computerised assessment package that requires minimal
training prior to administration, and is designed for classroom use. It is suitable for
children aged 4 to 11 years of age. A learning support programme will be offered to
18
children who are identified as having poor working memory skills. The programme
will provide guidance for classroom and special needs teachers on ways of reducing
excessive working memory loads in classroom activities, and on developing
children’s own strategies for coping with memory failures.
We are currently seeking collaborations on this project with education
professionals working with children, such as special needs and classroom teachers,
and educational psychologists. Anyone interested in learning more about this study,
and possible participation in it, should contact Tracy Alloway or Susan Gathercole
either by email (t.p.alloway@durham.ac.uk or s.e.gathercole@durham.ac.uk) or at
the Department of Psychology, University of Durham, Science Laboratories, South
Road, Durham DH1 3LE. Further information about our research is available at
www.psychology.dur.ac.uk/research/wm/index.htm.
19
Acknowledgments
This research was supported by the Medical Research Council.
20
References
Alloway, T.P., Gathercole, S.E., Adams, A.M., & Willis, C. (2003). Working memory
and other cognitive skills as predictors of progress towards early learning goals at
school entry. Manuscript under review.
Alloway, T.P., Gathercole, S.E., Adams, A.M., & Willis, C. (2004). Working
memory and phonological awareness in children with reading and mathematical
difficulties. Manuscript submitted for publication
Archibald, L.M.D., & Gathercole, S.E. (2003). Working memory in children with
Specific Language Impairment. Manuscript undergoing revision.
Gathercole, S.E., Brown, L., & Pickering, S.J. (2003). Working memory assessments
at school entry as longitudinal predictors of National Curriculum attainment
levels. Educational and Child Psychology, 20, 109-122.
Gathercole, S. E, Lamont, E., & Alloway, T.P. (in press). Working memory in the
classroom. In S.Pickering (Ed.). Working memory and education. Elsevier Press.
Gathercole, S.E., & Pickering, S.J. (2000). Working memory deficits in children with
low achievements in the national curriculum at seven years of age. British Journal
of Educational Psychology, 70, 177-194.
Gathercole, S. E., Pickering, S. J., Knight, C., & Stegmann, Z. (2004). Working
memory skills and educational attainment: Evidence from National Curriculum
assessments at 7 and 14 years of age. Applied Cognitive Psychology, 18, 1-16.
Pickering, S.J., & Gathercole, S.E. (2001). Working Memory Test Battery for
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21
Figure legends
Figure 1: Mean scores, with bars showing 10
th
and 90
th
centile points, on
listening recall task from the Working Memory Test Battery for
Children, as a function of age
Figure 2: Mean complex memory span scores for low, average and high ability
groups on English and mathematics assessments at Key Stage 2, from
Gathercole et al. 2004.
Figure 3: Links between working memory and baseline assessment scores and
subsequent attainments in Key Stage 1 English assessments, from
Gathercole et al 2003.
22
Table 1
Working memory demands in classroom activities: Some problems and
solutions
Problem
Solutions
Child forgets the task
Give brief and simple instructions, broken down into separate
steps if task is very complex.
Check the child can remember the instructions. Repeat
instructions if necessary
Child cannot meet combined
processing and storage
demands of activities
For activities involving sentences, reduce sentence length,
reduce syntactic complexity (simple active sentence forms are
the easiest), and/ or increase familiarity of the vocabulary
Child loses place in a complex
task
Use external memory aids such as number lines and useful
spellings.
Ensure that the child has plenty of prior practice in the use of
the aids prior to using them in more complex task settings.
Find ways of marking for the child their progress in a complex
task structure
23
Working
memory
(4/ 5 years)
English
attainments
(6/ 7 years)
.
3
6
.66
.55
.36
... Working memory may also facilitate children's ability to learn new effective strategies and select the most effective strategy given the task at hand and to shift between strategies, as well as execute them in increasingly effective ways. Learning new arithmetic concepts and new effective strategies should require support from a flexible and efficient mental workspace where new knowledge can be integrated with existing knowledge (Gathercole & Alloway, 2004;Lee & Bull, 2016). Consistent with these roles, research demonstrates that working memory tasks provide a unique contribution to early arithmetic performance (e.g., Fuchs et al., 2010a;Geary, 2011;Martin et al., 2014;Xenidou-Dervou et al., 2018). ...
... supports mental arithmetic development is reasonable assuming that the working memory system provides a flexible and efficient mental learning workspace where new conceptual and procedural knowledge can be integrated with existing knowledge (cf. Fuchs et al., 2010b;Gathercole & Alloway, 2004;Geary, 2011). As such, this learning workspace may facilitate the child's ability to solve progressively more difficult arithmetic problems, by learning new effective strategies, selecting the most effective strategy given the task at hand, and shifting between strategies, as well as to execute them in increasingly effective ways (Baddeley, 1997;Geary, 2013). ...
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The purpose of this study was to pinpoint which mixture of cognitive abilities and number abilities underlies young children's early mental arithmetic learning (i.e., skill development) and to examine to what extent this mixture is akin to the mixture underlying children's early arithmetic performance. A total of 265 children were assessed on counting knowledge, symbolic magnitude comparison, number line estimation, logical reasoning, verbal working memory, spatial processing, phonological processing, and general processing speed. One year later in first grade, the children's mental arithmetic ability was assessed, and it was then reassessed in second grade. A latent change score model showed that arithmetic performance was supported by counting knowledge, number line estimation , logical reasoning, spatial processing, phonological processing, and general processing speed, whereas arithmetic development was only supported by verbal working memory. These results demonstrate that the mixture of abilities underlying arithmetic development and arithmetic performance are rather different. Mental arithmetic performance in Grade 1 is equally dependent on a combination of both number abilities and cognitive abilities, whereas mental arithmetic development between first grade and second grade is only supported by one cognitive ability, verbal working memory.
... Working memory impacts all learning processes (Alloway, 2006) by facilitating the integration of incoming information with existing knowledge, as well as the transformation of this information into new knowledge (Swanson & Saez, 2003;Swanson & Beebe-Frankenberger, 2004). In this sense, working memory is seen as a highly influential structure on learning as a whole (Savage, Lavers, & Pillay, 2007) and plays an important role in academic skills such as reading and mathematics (Gathercole & Alloway, 2004). Studies examining the relationship between working memory and early mathematical skills have found significant correlations between early numerical skills and working memory in children aged 5 years (e.g., r = .31, ...
... Thus, the first strategy to minimize the chance of learners failing on learning activities due to poor working memory has to do with how teachers deal with memory loads in the classroom. The storage demands of classroom tasks can be reduced by breaking down multiple step tasks into separate independent steps, repeating important information frequently in different ways, and using external memory aids such as notes on the teacher's board or useful spellings (Alloway, 2006;Gathercole & Alloway, 2004, 2007. The second strategy that could assist learners in processing task-related material has to do with presenting the information in short, simple sentences, and also with choosing content which learners may be familiar with (St. ...
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The purpose of this case study was to examine the effects of games for working memory training to enhance language learning in low performance students given that a considerable body of research has demonstrated that, among other factors, working memory may account for individual differences in linguistic achievement. The population consisted of nine low performance language students (English as a foreign language) from second, fourth, and sixth semester in the English and French program at Universidad de Nariño, Colombia, who received working memory training games during a six-week period. The results showed general improvement in the subjects' overall language performance during the sessions and in class, which confirmed the premise that if students are given a set of strategies to exercise and improve their memory, they are likely to use and replicate them when training is not taking place. Resumen El objetivo de este estudio de caso fue examinar los efectos de juegos para entrenar la memoria de trabajo con el fin de optimizar el proceso de aprendizaje de idiomas en los estudiantes de bajo rendimiento. El estudio se basó en diversas investigaciones que han demostrado que la memoria de trabajo puede explicar las diferencias individuales en el rendimiento lingüístico. La población consistió en nueve estudiantes de inglés como lengua extranjera de segundo, cuarto y sexto semestre del programa de Inglés y Francés de la Universidad de Nariño, Colombia, quienes recibieron sesiones extra clase en las que estuvieron expuestos a una serie de juegos para entrenar la memoria de trabajo durante un período de seis semanas. Los resultados mostraron una mejora en el desempeño lingüístico general de los sujetos durante las sesiones y en clase, lo que confirmó la premisa de que, si los estudiantes reciben un conjunto de estrategias para ejercitar y mejorar su memoria, es probable que las repliquen y las utilicen autónomamente en situaciones subsiguientes.
... "Working memory" refers to our ability to retain and manipulate information in our minds for short periods (Baddeley, 1986;Baddeley & Hitch, 1974;Gathercole & Alloway, 2004). According to Cowan (2017), this ability involves the temporary storage of a small amount of information for future access, including retaining information temporarily, renewing memory space, and managing information. ...
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The term "working memory" refers to our ability to retain and manipulate information in our minds for short periods. Recent research has linked its function to school performance, and it is strongly supported that deficits in working memory hinder the learning of some students, who are likely to face significant learning difficulties in both primary and secondary education. The purpose of this study is to investigate the differences in working memory functions of secondary school students with and without learning difficulties through the administration of a new electronic test developed for this purpose. A total of 262 secondary school students, 217 without learning difficulties and 45 with learning difficulties, who attended schools in Athens participated in the survey. The results showed that students with learning difficulties performed significantly worse on the tests than students without learning difficulties. The reliability and validity tests showed that the developed test is a valid and reliable tool.
... In 2022, a group of Australian secondary school English teachers (n = 21) participated in the Accessible Pedagogies™ Program of Learning , a 10-week pedagogical intervention designed to improve the accessibility of instructional practice by reducing barriers arising from extraneous language and cognitive load (Bussing et al., 2016;Gathercole & Alloway, 2004;Starling et al., 2012;Sweller et al., 2019). As shown in Table 1, Accessible Pedagogies™ has three domains and seven dimensions that correspond with a range of evidence-based strategies. ...
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Students with disability tend to report lower levels of school engagement. To date, research has focused on building students’ extrinsic motivation and self-regulation with limited consideration of the impact of instructional barriers. In this mixed-methods study, we investigated the effect of teachers’ participation in the Accessible Pedagogies™ Program of Learning on the classroom experiences and engagement of 56 Year 10 students with disabilities impacting language and information processing. When asked in interviews what their teacher did to help them pay attention and to understand, students described teachers’ increased use of practices that were the focus of the program. Self-report questionnaire data revealed a positive, statistically significant increase in cognitive engagement for students whose teachers participated in Accessible Pedagogies™. No increase was observed for a Comparison Group. Findings suggest that the reduction of extraneous language and cognitive load through teachers’ use of Accessible Pedagogies™ may have helped students deploy available mental effort to engage in learning, rather than expend that effort to overcome unnecessary instructional barriers. Future research will investigate the impact of Accessible Pedagogies™ with larger samples and a wider range of students.
... Verbal WM has been identified as a key determinant in both typically developing children and those with reading disabilities . It has also been proposed that verbal WM exerts an influence on metalinguistic abilities, including phonological awareness, and contributes to the long-term acquisition of letter-sound rules crucial for phonological processing-a prerequisite for developing reading and writing skills (Alloway & Gathercole, 2004). ...
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Background The working memory (WM) system is recognized as a crucial cognitive function that underpins the acquisition of new knowledge and the development of foundational skills during childhood. Children’s early literacy and numeracy skills lay the foundation for future academic success in reading and mathematics. While previous research has established a link between WM and early literacy as well as numeracy, the specific contributions of different WM components to the development of various skills in kindergarten-aged children remain unclear. Objective This study aimed to investigate the associations between distinct profiles of WM and academic achievements in early literacy and numeracy among kindergarten children. Method A battery of memory tests (simple WM and complex WM) were administered to a cohort of 250 kindergarten children aged between five and seven years. Additionally, a range of tasks assessing mathematical and language skills were administered. Results Our findings align with our initial hypotheses, revealing differences between profiles of simple WM and complex WM in relation to early mathematics and language skills. Generally, children who exhibited higher WM abilities outperformed their peers who had lower WM capabilities. Conclusion This study emphasizes the critical role of WM in early childhood education. Children with limited WM function are at a heightened risk of academic underachievement. Furthermore, both components of WM—simple WM and complex WM—emerge as influential factors in shaping children's proficiency in early literacy and numeracy skills.
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The objective of this study was to ascertain the direct and indirect effects of in-home literacy practices on children’s early literacy skills and working memory performance. The study was designed as descriptive research, and structural equation modelling was employed for the analysis of the obtained data. A total of 180 children, comprising 87 females and 93 males, aged six, and their parents participated in the study. The study employed a range of instruments for data collection, including the Home Literacy Environment Scale, the Emergent Literacy Questionnaire, the Early Literacy Skills Assessment Tool, and the Working Memory Scale. The findings revealed that maternal involvement in literacy preparation activities was associated with a higher frequency of such activities, while paternal involvement was associated with a lower frequency. Additionally, the study demonstrated that maternal practices in the home literacy environment had a direct effect on children's early literacy skills. Furthermore, it was determined that early literacy skills had a direct impact on verbal and visual working memory. Although there was no direct effect of the home literacy environment on working memory, it was found that children’s early literacy skills had an indirect effect on working memory performance through their early literacy skills. Additionally, fathers’ in-home literacy practices did not have a significant indirect effect on working memory.
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Working memory is an important factor in the acquisition of language, literacy and numeracy skills. It is closely linked to learning and achievement. The purpose of this study was to determine whether or not staff in schools were able to identify working memory difficulties in their students and how pupils with these difficulties were supported. Qualitative and quantitative data was sought from 35 randomly selected primary schools via a questionnaire. Semi-structured follow-up interviews were carried out with SEN Co-ordinators from 10 of the schools. Results revealed that the schools seldom carried out working memory assessment and staff were generally unaware of the characteristics of a poor working memory. Many of the schools within this study were not familiar with the range of assessment tools or resources available for intervention and support. This has significant implications for the provision of training and development of intervention strategies and resources for schools.
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A latent-variable study examined whether verbal and visuospatial working memory (WM) capacity measures reflect a primarily domain-general construct by testing 236 participants in 3 span tests each of verbal WM. visuospatial WM, verbal short-term memory (STM), and visuospatial STM. as well as in tests of verbal and spatial reasoning and general fluid intelligence (Gf). Confirmatory' factor analyses and structural equation models indicated that the WM tasks largely reflected a domain-general factor, whereas STM tasks, based on the same stimuli as the WM tasks, were much more domain specific. The WM construct was a strong predictor of Gf and a weaker predictor of domain-specific reasoning, and the reverse was true for the STM construct. The findings support a domain-general view of WM capacity, in which executive-attention processes drive the broad predictive utility of WM span measures, and domain-specific storage and rehearsal processes relate more strongly to domain-specific aspects of complex cognition.
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A longitudinal study of 54 children aged between 4 and 7 years of age investigated whether measures of working memory skills taken shortly after school entry served as useful predictors of children’s attainment levels in National Curriculum assessments at Key Stage 1. Early working memory scores were found to be highly significant predictors of children’s subsequent levels of attainment in literacy, but not in mathematics. Compared with the local education authority baseline assessments also administered at 4 years of age that are designed in large part to predict later attainments, working memory scores accounted for unique variance in children’s spelling and writing scores at 7 years. These findings point to the utility of combining knowledge-based assessments with measures of fluid cognitive ability in order to obtain the best estimates of a child’s chances of future academic success.
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The working memory skills of children with four categories of special educational needs (SEN) were investigated: general learning difficulties, language problems, literacy problems, and attentional and behavioural problems. Children with general learning difficulties performed poorly on measures of all three components of the working memory model: the phonological loop, central executive, and the visuo‐spatial sketchpad. Children with problems specific to language had impairments of the phonological loop and the central executive only. The working memory abilities of the groups with literacy and behavioural problems fell within the normal range. These findings are explained in terms of specific roles played by components of working memory in supporting learning activities.
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There have been many claims by cognitive psychologists that working memory (WM) plays a role in learning during childhood, supported by studies demonstrating close links between WM skills and measures of learning and academic achievement. An important shortcoming of this approach is that it does not illuminate how and why WM is needed in the everyday classroom activities that form the basis for learning. A consistent finding from a large number of studies is a close relationship between children's performance on indicators of scholastic attainments and their WM skills. Young people with low scores on standardized assessments of reading and mathematics usually score poorly on complex memory span tasks that involve both the processing and temporary storage of verbal reading material. To illuminate the specific nature of the failed learning episodes that may be contributing to the failure of such children to make normal scholastic progress, classroom behavior of three children with poor WM abilities was observed. Four different kinds of learning failure were observed with high frequency in each of these children that could be attributed to the children failing to meet the WM demands of the activity: forgetting instructions, failing to meet combined processing and storage demands, losing track in complex tasks, and forgetting from episodic long-term memory at high rates. The chapter concludes that learning failures impair the children's chances of abstracting knowledge and skills that form the basis for functioning in the complex cognitive activities associated with the domains of literacy and mathematics.
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This study investigates whether working memory skills of children are related to teacher ratings of their progress towards learning goals at the time of school entry, at 4 or 5 years of age. A sample of 194 children was tested on measures of working memory, phonological awareness, and non-verbal ability, in addition to the school-based baseline assessments in the areas of reading, writing, mathematics, speaking and listening, and personal and social development. Various aspects of cognitive functioning formed unique associations with baseline assessments; for example complex memory span with rated writing skills, phonological short-term memory with both reading and speaking and listening skills, and sentence repetition scores with both mathematics and personal and social skills. Rated reading skills were also uniquely associated with phonological awareness scores. The findings indicate that the capacity to store and process material over short periods of time, referred to as working memory, and also the awareness of phonological structure, may play a crucial role in key learning areas for children at the beginning of formal education.
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The relationship between working memory skills and performance on national curriculum assessments in English, mathematics and science was explored in groups of children aged 7 and 14 years. At 7 years, children's levels of attainment in both English and mathematics were significantly associated with working memory scores, and in particular with performance on complex span tasks. At 14 years, strong links persisted between the complex working memory test scores and attainments levels in both mathematics and science, although ability in the English assessments showed no strong association with working memory skill. The results suggest that the intellectual operations required in the curriculum areas of mathematics and science are constrained by the general capacity of working memory across the childhood years. However, whereas success in the acquisition in literacy (tapped by the English assessments at the youngest age) was also linked with working memory capacity, achievements in the higher-level skills of comprehension and analysis of English literature assessed at 14 years were independent of working memory capacity. Copyright © 2003 John Wiley & Sons, Ltd.
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Close links between children's capacities to store and manipulate information over brief periods have been found with achievements on standardised measures of vocabulary, language comprehension, reading, and mathematics. The study aimed to investigate whether working memory abilities are also associated with attainment levels in the national curriculum assessments at 7 years of age. Eighty-three children aged 6 and 7 years attending local education authority schools participated in the study. Working memory skills were assessed by a test battery designed to tap individual components of Baddeley and Hitch's (1974) working memory model. Children were assigned to normal and low achievement groups on the basis of their performance on national curriculum tasks and tests in the areas of English and mathematics. Children with low levels of curriculum attainment showed marked impairments on measures of central executive function and of visuo-spatial memory in particular. A single cut-off score derived from the test battery successfully identified the majority of the children failing to reach nationally expected levels of attainment. Complex working memory skills are closely linked with children's academic progress within the early years of school. The assessment of working memory skills may offer a valuable method for screening children likely to be at risk of poor scholastic progress.
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In 1974, Baddeley and Hitch proposed a three-component model of working memory. Over the years, this has been successful in giving an integrated account not only of data from normal adults, but also neuropsychological, developmental and neuroimaging data. There are, however, a number of phenomena that are not readily captured by the original model. These are outlined here and a fourth component to the model, the episodic buffer, is proposed. It comprises a limited capacity system that provides temporary storage of information held in a multimodal code, which is capable of binding information from the subsidiary systems, and from long-term memory, into a unitary episodic representation. Conscious awareness is assumed to be the principal mode of retrieval from the buffer. The revised model differs from the old principally in focussing attention on the processes of integrating information, rather than on the isolation of the subsystems. In doing so, it provides a better basis for tackling the more complex aspects of executive control in working memory.
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Investigations of the cognitive processes underlying specific language impairment (SLI) have implicated deficits in the storage and processing of phonological information, but to date these abilities have not been studied in the same group of children with SLI. To examine the extent to which deficits in immediate verbal short-term and working memory may co-occur in a group of children with SLI. Twenty children aged 7-11 years with SLI completed a comprehensive battery of short-term and working memory, as well as two phonological awareness tasks. The majority of the group had deficits in both verbal short-term and working memory, which persisted after the general language abilities of the children were taken into account. A substantial minority showed deficits on visuospatial short-term memory, while impairments of phonological awareness were less marked. The data indicate dual deficits in verbal short-term and working memory that exceed criterial language abilities characteristic of SLI and may plausibly underpin some of the language learning difficulties experienced by these children.
Working memory and phonological awareness in children with reading and mathematical difficulties
  • T P Alloway
  • S E Gathercole
  • A M Adams
  • C Willis
Alloway, T.P., Gathercole, S.E., Adams, A.M., & Willis, C. (2004). Working memory and phonological awareness in children with reading and mathematical difficulties. Manuscript submitted for publication