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ABSTRACT: Alcohol use has long been assumed to alter cognition via attentional processes. To better understand the cognitive consequences of intoxication, the present study tested the effects of moderate intoxication (average BAC between .071 and .082) on attentional processing using complex working memory capacity (WMC) span tasks and a change blindness task. Intoxicated and sober participants were matched on baseline WMC performance, and intoxication significantly decreased performance on the complex span tasks. Surprisingly, intoxication improved performance on the change blindness task. The results are interpreted as evidence that intoxication decreases attentional control, causing either a shift towards more passive processing and/or a more diffuse attentional state. This may result in decreased performance on tasks where attentional control or focus are required, but may actually facilitate performance in some contexts.
Consciousness and Cognition 01/2013; 22(1):231-236. · 2.31 Impact Factor
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ABSTRACT: While the subjective experience of insight during problem solving is a common occurrence, an understanding of the processes leading to solution remains relatively uncertain. The goal of this study was to investigate the restructuring patterns underlying solution of a creative problem, and how providing cues to solution may alter the process. Results show that both providing cues to solution and analyzing problem solving performance on an aggregate level may result in restructuring patterns that appear incremental. Analysis of performance on an individual level provides evidence for insight-like solution patterns. However, no evidence is found for a relationship between an individual's restructuring pattern and their subjective experience of insight during problem solving.
Consciousness and Cognition 04/2012; 21(3):1166-75. · 2.31 Impact Factor
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ABSTRACT: That alcohol provides a benefit to creative processes has long been assumed by popular culture, but to date has not been tested. The current experiment tested the effects of moderate alcohol intoxication on a common creative problem solving task, the Remote Associates Test (RAT). Individuals were brought to a blood alcohol content of approximately .075, and, after reaching peak intoxication, completed a battery of RAT items. Intoxicated individuals solved more RAT items, in less time, and were more likely to perceive their solutions as the result of a sudden insight. Results are interpreted from an attentional control perspective.
Consciousness and Cognition 03/2012; 21(1):487-93. · 2.31 Impact Factor
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ABSTRACT: Theory suggests that the accuracy of metacognitive monitoring is affected by the cues used to judge learning. Researchers have improved monitoring accuracy by directing attention to more appropriate cues; however, this is the first study to more directly point students to more appropriate cues using instructions regarding tests and practice tests.
The purpose of the present study was to examine whether the accuracy metacognitive monitoring was affected by the nature of the test expected.
Students (N= 59) were randomly assigned to one of two test expectancy groups (memory vs. inference). Then after reading texts, judging learning, completed both memory and inference tests.
Test performance and monitoring accuracy were superior when students received the kind of test they had been led to expect rather than the unexpected test.
Tests influence students' perceptions of what constitutes learning. Our findings suggest that this could affect how students prepare for tests and how they monitoring their own learning.
British Journal of Educational Psychology 06/2011; 81(Pt 2):264-73. · 1.42 Impact Factor
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ABSTRACT: Recent work on testing effects has shown that retrieval practice can facilitate memory even for complex prose materials (Roediger & Karpicke, 2006a, 2006b). In three experiments the current study explores the effectiveness of retrieval practice on fill-in-the-blank (FITB) tests requiring the recall of specific words or phrases from a text. Final tests included both repeated items that were directly taken from initial tests, and related items. In Experiment 1, with a 2-day delay between initial and final tests, FITB testing benefited performance only on repeated items. In Experiment 2 a 7-day delay between testing sessions led to more robust effects on repeated items. However, once again no benefits were seen for related items. In Experiment 3 the scope of retrieval was varied by comparing FITB tests to paragraph recall tests requiring retrieval of all sentences following a topic sentence. Only the more open-ended recall practice demonstrated improvements in transfer to novel questions. The results suggest that scope or type of processing required during retrieval practice is likely a critical factor in whether testing will have specific or robust benefits.
Memory 04/2011; 19(3):290-304. · 2.09 Impact Factor
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ABSTRACT: The correlation between individual differences in working memory capacity and performance on the Raven's Advanced Progressive Matrices (RAPM) is well documented yet poorly understood. The present work proposes a new explanation: that the need to use a new combination of rules on RAPM problems drives the relation between performance and working memory capacity scores. Evidence for this account is supported by an item-based analysis of performance during standard administration of the RAPM and an experiment that manipulates the need to use new rule combinations across 2 subsets of RAPM items. (PsycINFO Database Record (c) 2010 APA, all rights reserved).
Journal of Experimental Psychology Learning Memory and Cognition 01/2011; 37(1):256-63. · 2.85 Impact Factor
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ABSTRACT: In the present research, we examined the relationship between readers' domain knowledge and their ability to judge their comprehension of novel domain-related material. Participants with varying degrees of baseball knowledge read five texts on baseball-related topics and five texts on non-baseball-related topics, predicted their performance, and completed tests for each text. Baseball knowledge was positively related to absolute accuracy within the baseball domain but was unrelated to relative accuracy within the baseball domain. Also, the readers showed a general underconfidence bias, but the bias was less extreme for higher knowledge readers. The results challenge common assumptions that experts' metacognitive judgments are less accurate than novices'. Results involving topic familiarity ratings and a no-reading control group suggest that higher knowledge readers are not more likely to ignore text-specific cues in favor of a domain familiarity heuristic, but they do appear to make more effective use of domain familiarity in predicting absolute performance levels.
Memory & Cognition 11/2009; 37(7):1001-13. · 1.92 Impact Factor
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ABSTRACT: The purpose of these experiments was to examine the effects of user characteristics on learning from scrolling interfaces.
Although scrolling Web pages are now common, few studies have explored the effects of scrolling on understanding the content that is being conveyed.
This set of studies investigated whether presenting text in two particular formats has an effect on comprehension for readers who differ in working memory capacity.
Results from both studies indicated that a scrolling format reduced understanding of complex topics from Web pages, especially for readers who were lower in working memory capacity.
These findings show that the way text is presented can interact with learner abilities to affect learning outcomes.
These results have implications for both educational technology and human interfaces that present information using displays that can vary in size and construction.
Human Factors The Journal of the Human Factors and Ergonomics Society 10/2009; 51(5):730-8. · 1.19 Impact Factor
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ABSTRACT: In two experiments, undergraduates' evaluation and use of multiple Internet sources during a science inquiry task were examined. In Experiment 1, undergraduates had the task of explaining what caused the eruption of Mt. St. Helens using the results of an Internet search. Multiple regression analyses indicated that source evaluation significantly predicted learning outcomes, with more successful learners better able to discriminate scientifically reliable from unreliable information. In Experiment 2, an instructional unit (SEEK) taught undergraduates how to evaluate the reliability of information sources. Undergraduates who used SEEK while working on an inquiry task about the Atkins low-carbohydrate diet displayed greater differentiation in their reli-ability judgments of information sources than a comparison group. Both groups then participated in the Mt. St. Helens task. Undergraduates in the SEEK conditions demonstrated better learning from the volcano task. The current studies indicate that the evaluation of information sources is critical to successful learning from Internet-based inquiry and amenable to improve-ment through instruction. 1061 or reliable. The use of the Internet for research purposes increases the need for students to critically evaluate information sources for their reliability, credibility, and trustworthiness (Britt & Aglinskas, 2002; Rouet, 2006; Wallace, Kupperman, Krajcik, & Soloway, 2000). Understanding how students engage in the processes of search, selection, evaluation, comparison, and integration of ideas from multiple sources of information is becoming an increasingly important area of research in discourse processing and comprehension (Brem, Russell, & Weems, 2001; Graesser et al., 2007; Rouet, 2006; Stadtler & Bromme, 2007) and in the learning sciences more generally (Linn, Davis, & Bell, 2004; Wallace et al., 2000). In both history and science, experts routinely engage in selection, analysis, and synthesis within and across multiple sources of evidence (Chinn & Malhotra, 2002; Wineburg, 1991). For example, when scientists read scholarly publications, they rely on information about the scientists, the journals in which the publications appear, and the reputations of the institutions or research groups with which the scientists are affiliated (Bazerman, 1985; Berkencotter & Huckin, 1995). When scientists read Jennifer Wiley is an associate professor in the explores contexts that promote successful com-prehension and problem solving.
American Educational Research Journal December. 01/2009; 46:1060-1106.
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ABSTRACT: This article presents two experiments that used insight and mathematical problems to investigate whether different factors would affect hindsight bias on metacognitive and situational judgments. In both studies, participants initially rated their likelihood of solving each problem within a certain amount of time (metacognitive judgments) and rated the importance of each component of the problem for finding the solution (situational judgments). Next, participants attempted to solve each problem. In Experiment 1, all participants were given solution feedback information, but in Experiment 2, participants were not given any solution feedback. After 1 week, participants were asked to recall their original judgments. Hindsight bias was assessed by comparing the initial with the final ratings. Insight problems and math problems showed different patterns of hindsight bias effects on the metacognitive and situational judgments. The results suggest that two competing models of hindsight effects are actually complementary explanations for judgment reconstruction on different types of judgment tasks.
Memory & Cognition 07/2008; 36(4):822-37. · 1.92 Impact Factor
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ABSTRACT: The typical finding of metacomprehension studies is that accuracy in monitoring one's own level of understanding is quite poor. In the present experiments, monitoring accuracy was constrained by individual differences in both reading comprehension ability and working memory capacity (WMC), but rereading particularly benefited low-ability and low-WMC readers, effectively eliminating the relationship between monitoring accuracy and these reader characteristics. In addition, introducing a self-explanation reading strategy improved the accuracy of all the readers above mere rereading. The observed interaction between individual differences and rereading is interpreted in terms of concurrent-processing constraints involved in monitoring while text is processed, whereas the more general self-explanation effect is interpreted in terms of accessibility of valid, performance-predicting cues.
Memory & Cognition 02/2008; 36(1):93-103. · 1.92 Impact Factor
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ABSTRACT: The present set of studies examines how working memory capacity (WMC) relates to performance on a Remote Associates Task (RAT), originally designed by Mednick as a quantifiable creative problem solving assessment. The source of fixation was manipulated across two sets of RAT items. One set was neutral with no specific fixation embedded in them, while the second set was baseball-misleading, designed so that prior knowledge of baseball would lead to an incorrect solution attempt. WMC scores were positively related to performance on RAT items in all conditions, except one. High baseball knowledge participants' WMC scores did not relate to performance on the baseball-misleading RAT. While in general WMC may lead to better RAT performance, these results suggest that when there is a candidate solution strongly activated by prior knowledge, WMC may actually lead to too much focus on the incorrect solution and exacerbate mental sets.
Memory & Cognition 10/2007; 35(6):1456-62. · 1.92 Impact Factor
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ABSTRACT: Expert specialists organize their knowledge around information related to their goals. In the experiments presented here, the relation between goal use and knowledge organization was investigated by manipulating participants' goals as they learned about a novel domain. Experiment 1 showed that goal use produces biases toward goal-related information in categorization and induction. Experiment 2 revealed that the bias toward goal relatedness is not absolute; participants use their knowledge flexibly, depending on the context of induction. Experiment 3 showed that using information in the absence of a meaningful goal does not produce significant goal-related biases. Altogether, the effects of goal use are evident across a number of tasks and may depend on goal meaningfulness and the coherence it provides to goal-related knowledge structures.
Memory & Cognition 08/2007; 35(5):837-51. · 1.92 Impact Factor
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ABSTRACT: Previous work on learning from text has demonstrated that although illustrated text can enhance comprehension, illustrations can also sometimes lead to poor learning outcomes when they are not relevant to understanding the text This phenomenon is known as the seductive details effect. The first experiment was designed to test whether the ability to control one's attention, as measured by working memory span tasks, would influence the processing of a scientific text that contained seductive (irrelevant) images, conceptually relevant images, or no illustrations. Understanding was evaluated using both an essay response and an inference verification task. Results indicated that low working memory capacity readers are especially vulnerable to the seductive details effect. In the second experiment, this issue was explored further, using eye-tracking methodology to evaluate the reading patterns of individuals who differed in working memory capacity as they read the same seductively illustrated scientific text Results indicated that low working memory individuals attend to seductive illustrations more often than not and, also, for a longer duration than do those individuals high in working memory capacity.
Memory & Cognition 04/2006; 34(2):344-55. · 1.92 Impact Factor
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ABSTRACT: The insightful problem-solving process has been proposed to involve three main phases: an initial representation phase, in which the solver inappropriately represents the problem; an initial search through the faulty problem space that may lead to impasse; and a postimpasse restructuring phase. Some theories propose that the restructuring phase involves controlled search processes, whereas other theories propose that restructuring is achieved through the automatic redistribution of activation in long-term memory. In this study, we used correlations between working memory (WM) span measures and problem-solving success to test the predictions of these different theories. One group of participants received a set of insight problems that allowed for a large initial faulty search space, whereas another group received a matched set that constrained the initial faulty search space in order to isolate the restructuring phase of the insightful process. The results suggest that increased ability to control attention (as measured by WM span tasks) predicts an individual's ability to successfully solve problems that involve both the initial search phase and the restructuring phase. However, individual differences in ability to control attention do not predict success on problems that isolate the restructuring phase. These results are interpreted as supporting an automatic-redistribution-of-activation account of restructuring.
Psychonomic Bulletin & Review 03/2006; 13(1):66-73. · 2.61 Impact Factor
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ABSTRACT: The typical finding from research on metacomprehension is that accuracy is quite low. However, recent studies have shown robust accuracy improvements when judgments follow certain generation tasks (summarizing or keyword listing) but only when these tasks are performed at a delay rather than immediately after reading (K. W. Thiede & M. C. M. Anderson, 2003; K. W. Thiede, M. C. M. Anderson, & D. Therriault, 2003). The delayed and immediate conditions in these studies confounded the delay between reading and generation tasks with other task lags, including the lag between multiple generation tasks and the lag between generation tasks and judgments. The first 2 experiments disentangle these confounded manipulations and provide clear evidence that the delay between reading and keyword generation is the only lag critical to improving metacomprehension accuracy. The 3rd and 4th experiments show that not all delayed tasks produce improvements and suggest that delayed generative tasks provide necessary diagnostic cues about comprehension for improving metacomprehension accuracy.
Journal of Experimental Psychology Learning Memory and Cognition 11/2005; 31(6):1267-80. · 2.85 Impact Factor
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ABSTRACT: Males traditionally outperform females on measures of both visuospatial ability and science achievement. This experiment directly tests a manipulation designed to compensate for such differences through the presentation of relevant illustrations or animations to support the construction of understanding of a specific scientific phenomenon. Males and females read a scientific text about plate tectonics that contained static illustrations, animated versions of the static illustrations, or no illustrations. Participants were assessed on their visuospatial ability and also working memory capacity. Results indicated that while males outperformed females on both the visuospatial measure and overall science learning, the presence of animations effectively eliminated performance differences for this science topic. These results suggest that sex differences in learning outcomes can be overcome by supporting the visualization of scientific phenomena.
Learning and Individual Differences.
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ABSTRACT: In the present article, we articulate three assumptions underlying theories proposing that restructuring processes play a key role in insightful problem solving: representational difficulty, representational change, and discontinuity in solution processes. We argue that these assumptions need empirical validation to justify the proposition of restructuring mechanisms that are unique from those involved in classic information-processing theories of problem solving. To this end, we review some theoretical and methodological obstacles that are inherent in the investigation of the existence and nature of restructuring processes. We then offer some recommendations on how to overcome or avoid these obstacles in future studies. Finally, we discuss some questions to help motivate new research.
The Journal of Problem Solving.
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ABSTRACT: The typical finding from research on metacomprehension is that accuracy is quite low. However, recent studies have shown robust accuracy improvements when judgments follow certain generation tasks (summarizing or keyword listing), but only when these tasks are performed at a delay rather than immediately after reading (Thiede & Anderson, 2003; Thiede, Anderson & Therriault, 2003). The delayed and immediate conditions in these past studies confounded the delay between reading and generation tasks with other task lags, such as the lag between multiple generation tasks and the lag between generation tasks and judgments. The first two experiments disentangle these confounded manipulations and provide clear evidence that the delay between reading and keyword generation is the only lag critical to improving metacomprehension accuracy. The third and fourth experiments show that not all delayed tasks will produce improvements and suggest that delayed generative tasks provide diagnostic cues about comprehension that are necessary for improving metacomprehension accuracy.
Keith Thiede.
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ABSTRACT: The purpose of the present piece is to integrate some current theories of text comprehension with the body of work on metacomprehension, and especially the calibration of comprehension monitoring. This paper explores some important methodological and conceptual issues, inspired by current theories in the text comprehension literature, which suggest that the nature of the texts used for metacomprehension studies may be a critical, and currently unrecognized, factor that should be considered. First, we need to re-examine what we mean by "comprehension," and how we should measure it. There are important differences between memory for text and comprehension of text that need to be considered. Second, to fully deal with these concerns, we need to pay more attention to the kinds of expository text that are being used, the different ways that readers may understand these texts, and how readers may interpret the concept of "understanding" as they make their judgments.
Keith Thiede.
