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Direct linkPowell, Sarah R.; Akther, Syeda Sharjina; Yoon, Na Young; Berry, Katherine A.; Nemcek, Carmen; Fall, Anna-Maria; Roberts, Greg – Learning Disabilities Research & Practice, 2023
This study examined the influence of addition and subtraction practice embedded within a word-problem intervention for Grade 3 students experiencing word-problem difficulty. Students (N = 448) were randomly assigned to one of two variants of a word-problem intervention or a business-as-usual comparison condition. Within the word-problem…
Descriptors: Addition, Subtraction, Arithmetic, Grade 3
Powell, Sarah R.; Nelson, Gena – Psychology in the Schools, 2021
To understand misconceptions with rational numbers (i.e., fractions, decimals, and percentages), we administered an assessment of rational numbers to 331 undergraduate students from a 4-year university. The assessment included 41 items categorized as measuring foundational understanding, calculations, or word problems. We coded each student's…
Descriptors: Undergraduate Students, Misconceptions, Number Concepts, Numbers
Nurnberger-Haag, Julie; Alexander, Anita N.; Powell, Sarah R. – Mathematical Thinking and Learning: An International Journal, 2021
Although the complexity of children's number learning is recognized, trade books about number have been treated as a simple, undifferentiated set. This analysis of 186 children's books, however, categorized a distinct subset of books about number as "counting books." These counting books were complex with regard to portrayal of counting…
Descriptors: Childrens Literature, Books, Computation, Numeracy
Fuchs, Lynn S.; Compton, Donald L.; Fuchs, Douglas; Powell, Sarah R.; Schumacher, Robin F.; Hamlett, Carol L.; Vernier, Emily; Namkung, Jessica M.; Vukovic, Rose K. – Developmental Psychology, 2012
The purpose of this study was to investigate the contributions of domain-general cognitive resources and different forms of arithmetic development to individual differences in pre-algebraic knowledge. Children (n = 279, mean age = 7.59 years) were assessed on 7 domain-general cognitive resources as well as arithmetic calculations and word problems…
Descriptors: Arithmetic, Algebra, Individual Differences, Knowledge Level
Fuchs, Lynn S.; Fuchs, Douglas; Compton, Donald L.; Powell, Sarah R.; Seethaler, Pamela M.; Capizzi, Andrea M.; Schatschneider, Christopher; Fletcher, Jack M. – Journal of Educational Psychology, 2006
The purpose of this study was to examine the cognitive correlates of RD-grade skill in arithmetic, algorithmic computation, and arithmetic word problems. Third graders (N = 312) were measured on language, nonverbal problem solving, concept formation, processing speed, long-term memory, working memory, phonological decoding, and sight word…
Descriptors: Grade 3, Concept Formation, Arithmetic, Sight Vocabulary
