Elizabeth Hughes

• Ph.D.
• Professor (Associate) at Pennsylvania State University

A joint position statement issued in December 2024 by the National Council of Teachers of Mathematics (NCTM) and the Council for Exceptional Children (CEC) on teaching mathematics to students with disabilities lacked substantive, actionable, research-validated recommendations to support the work of practitioners in the field. Herein, we provide a r...

The current study investigated the effectiveness of an intensive writing intervention focusing on mathematical reasoning through written expression. A group pretest–intervention–posttest comparison experimental design was used to implement a 12-lesson intervention, delivered through a combination of Google Classroom and in-person classroom teacher...

This chapter investigates the internal structure of informative/explanatory mathematical writing (MW) as a latent variable. The study defines it as written communication in mathematics to explain and describe one's problem solving and reasoning by using mathematical language and representation. To assess the dimensions of MW, ten scales were develo...

Mathematical knowledge and skills are critical in the development of students. In this article, we begin to unpack the concept of mathematics disabilities and how they are presented across classrooms. We explain commonly used terms such as, specific learning disability and dyscalculia, and emphasize how students qualify for math support. We provide...

Researchers have reported that English language learners (ELLs) may be at risk of reading difficulties in thepostsecondary setting. Although some students may only require explicit content-related vocabulary instruction andsupport with comprehension strategies in order to enhance comprehension, others may benefit from targeted shortterm interventio...

This meta-analysis synthesized the findings of experimental and quasi-experimental studies to determine the efficacy of math interventions for enhancing the word problem-solving accuracy of students with mathematics difficulties in Grades 4 to 12. Further, we identified intervention and design characteristics that moderate the effectiveness of inte...

As teachers are faced with increasing demands to meet the needs of diverse learners, such as the growing number of students with ASD, the need to accommodate each learner and provide opportunities for individualized learning becomes critical. Therefore, the aim of this A-B single-case study was to explore a variety of support strategies (e.g., vide...

Many students with autism spectrum disorder (ASD) experience academic challenges and difficulties. These struggles are especially pronounced in mathematics with students with ASD performing significantly below than their peers without disabilities on measures of mathematical performance. The current study used a single case experimental design with...

Since 1975, researchers have conducted interventions to improve the word-problem performance of elementary school students facing mathematics difficulties. The current study reports a meta-analysis of 52 studies that examined the effect of these interventions. We estimated multivariate, random-effects models (REM) with robust variance estimation (R...

Students with exceptionalities who do not make adequate progress with core instruction in mathematics require more intensive research-based interventions such as explicit instruction or video modeling to address instructional needs. This study examined the effects of combining point-of-view video modeling, explicit instruction, and augmented realit...

We quantitatively synthesized findings of quasi‐experimental and randomized control studies of interventions designed to improve the mathematics achievement of secondary school students with mathematics difficulties (MD). We identified 45 studies (49 interventions) published between 1978 and 2020 and classified interventions into five categories: t...

The current study investigates the effects of a fact family fluency intervention on math facts fluency and quantitative reasoning. Sixty-three students in Grades 5–8 participated in the study, including 14 students receiving special education services and 15 students receiving additional support. The researchers employed a quasi-experimental, switc...

Students in the elementary and secondary grades may use mathematics writing to express ideas and reasoning about mathematics. To understand current classroom practices related to the assessment and instruction of mathematics writing, we conducted a survey of kindergarten through Grade 12 educators across the United States who taught mathematics, wi...

While school performance suggests students with learning disabilities require intervention to demonstrate mathematics proficiency, little is known about how they approach problem solving in secondary geometry. Think aloud protocols highlight the higher order thinking skills underlying complex academic tasks. We conducted an exploratory descriptive...

Assessment results from two open-construction response mathematical tasks involving fractions and decimals were used to investigate written expression of mathematical reasoning for students with learning disabilities. The solutions and written responses of 51 students with learning disabilities in fourth and fifth grade were analyzed on four primar...

Background With the surge of intervention research examining ways of supporting students with autism spectrum disorder (ASD) in inclusive settings, there remains a need to examine how technology supports could enhance students’ learning by offering one size fits one instruction. Furthermore, intervention studies focused on teaching students with AS...

Multiple-meaning words may pose acute challenges to young learners, especially those who speak a home language other than English. The goal of this study was to investigate Emergent Bilinguals’ (EBs) knowledge about words that convey both specific mathematical meanings as well as everyday meanings (e.g., the volume of a triangular prism and the vol...

The benefits of content writing are widely recognized, yet there are still few studies that evaluate the benefits and challenges of mathematical writing (MW) for students. The National Council of Teachers of Mathematics and the Common Core State Standards for Mathematics have an emphasis on written communication of mathematical reasoning as an inte...

With the increasing attention and surge of empirical research in providing academic instruction for students with autism spectrum disorder (ASD) comes the need to provide teachers with research-supported strategies. Using one evidence-based strategy for teaching mathematics to students with high incidence disabilities, and another for teaching prim...

This systematic review of literature synthesizes research on video-based instruction (VBI) to teach mathematics to students with autism spectrum disorder (ASD). Eleven studies, including gray literature, were included in the synthesis resulting in data analysis of performance from 29 participants. To better align with transparent reporting guidelin...

This study examines the effectiveness of a specially designed intervention in changing preservice teacher beliefs about the education of linguistically diverse students. The experiment involved a semester-long online letter exchange with English learner (EL) pen pal partners from two public schools. The research questions included: What effect did...

Many countries are embracing inclusive education. However, one of the main challenges that African countries are facing in this regard is the shortage of qualified teachers with the requisite skills to provide an appropriate education for their children with special needs. This shortage can be addressed through provision of professional development...

Proficiency with mathematics requires an understanding of mathematical language. Students are required to make sense of both spoken and written mathematical terms. An essential component of mathematical language involves the understanding of the vocabulary of mathematics in which students connect vocabulary terms to mathematical concepts or procedu...

This research shares qualitative analysis of the experience and benefits of a digital pen pal (E-Pal) experience on preservice experiences and perceived benefits of English Learners (ELs) and how to teach ELs. For this project, preservice teachers exchanged E-Pal letters with EL and non-EL students in Grades 5 through 7 about a book they read. Cons...

Writing is recognized as a critical skill in science, technology, engineering, and mathematical fields, as it provides opportunities for individuals to think critically about learned information, integrate knowledge, communicate understanding, and contribute new information to the field. Requirements for applying mathematical knowledge to writing r...

This quasi-experimental study explores changes in preservice teachers’ reported self-efficacy and knowledge of instructional strategies in supporting English language learners (ELLs) after participating in an electronic pen-pal project. Seventy-four preservice teachers (experimental = 35; control = 39) participated in this study. The intervention i...

Since 1980 when Zimbabwe obtained political independence, special education has not received the same priority as the entire education system. One of the manifestations of this discrepancy is the shortage of qualified special education teachers in the country. In order to address this trend and promote the development of special education, research...

Mathematics learning is sequential and builds in complexity as children learn more advanced skills. The transition that many schools are making to the Common Core State Standards may require that some mathematics skills are introduced at earlier grades. Current focus on high-stakes assessments to understand student achievement may lead to external...

The purpose of this study was to determine the effectiveness of a video modeling intervention with concrete-representational-abstract instructional sequence in teaching mathematics concepts to students with autism spectrum disorder (ASD). A multiple baseline across skills design of single-case experimental methodology was used to determine the effe...

This research examines special needs education professional development needs among both general and special education schoolteachers in northern Malawi. A semi-structured questionnaire with open and close-ended questions was used for the research. Quantitative and thematic analyses were conducted to determine the extent to which teachers believe t...

Legislations mandates that educators use evidence-based practices (EBPs) that are supported by scientifically based research. EBPs have demonstrated a likelihood to work for students with disabilities. EBPs should match targeted needs of the student receiving the instruction, which sometimes requires educators to search for the best intervention to...

Video-based intervention (VBI) has strong evidence supporting efficiency in teaching social, communication, functional, behavior, play, and self-help skills and emerging evidence for teaching academic skills to students with autism spectrum disorder (ASD). VBI allows opportunities to electronically provide personalized, consistent, and prerecorded...

Vocabulary understanding is a major contributor to overall comprehension in many content areas including mathematics. Effective methods for teaching vocabulary in all content areas are diverse and long standing. The importance of teaching and learning the language of mathematics is vital for the development of mathematical proficiency. Students’ ma...

Theories of learning styles suggest that individuals think and learn best in different ways. These are not differences of ability but rather preferences for processing certain types of information or for processing information in certain types of way. If accurate, learning styles theories could have important implications for instruction because st...

The purpose of this study was to determine the effectiveness of a point-of-view video modeling intervention to teach mathematics problem-solving when working on word problems involving subtracting mixed fractions with uncommon denominators. Using a multiple-probe across students design of single-case methodology, three high school students with ASD...

Authentic learning experiences are those in which students engage with texts as well as the behaviors of reading and writing within contexts of real-world use beyond traditional academic use. This study provides quantitative analysis of how students (n=200) engaged with an adult pen pal in a shared literacy experience. Findings indicate that studen...

This promising practice explores the use of young adult literature as a supplement to texts in an undergraduate introduction to a special education course. Literature portraying adolescent characters with autism spectrum disorder (ASD) were used to build schema of preservice teachers. Participants' knowledge and attitudes about ASD were examined be...

The need for global competence in mathematics is apparent. Algebra is considered a gateway course to prepare students for the demands of a competitive global market. Many students demonstrate low performance in algebra; this is especially true for students with disabilities. Effective algebra instruction is essential to increase algebra achievement...

Autism spectrum disorder (ASD) has become the fastest growing disability in the United States, with current prevalence rates estimated at as many as 1 in 110 children (CDC, 2010). This increase in the number of students identified with ASD has significant implications for public schools. The most popular research-based educational practices for tea...

A growing literature base suggests the need for positive interventions to help individuals with intellectual disabilities improve their time management skills. Time management is a crucial area that must be addressed in the effort to equip adults with the skills necessary to achieve independence, success in employment, and improved quality of life....

In this exploratory study, reading, writing, and discussion were examined within the context of a pen pal intervention focusing on authentic literacy tasks. The study employed a mixed-method design with a triangulation-convergence model to explore the relationship between authentic literacy tasks and the literacy motivation of elementary students (...

Attention deficit hyperactivity disorder (ADHD) has become the most commonly diagnosed psychiatric disorder among school-age children. For more than half a century, physicians have prescribed medications to help manage behaviors such as hyperactivity, impulsivity, and inattention. Today, there is a growing consensus that ADHD is a biologically base...

A growing literature base suggests the need for positive interventions to help individuals with intellectual disabilities improve their time management skills. Time management is a crucial area that must be addressed in the effort to equip adults with the skills necessary to achieve independence, success in employment, and improved quality of life....