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ERIC Number: EJ775538
Record Type: Journal
Publication Date: 2007
Pages: 21
Abstractor: Author
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0022-2194
Cognitive Characteristics of Children with Mathematics Learning Disability (MLD) Vary as a Function of the Cutoff Criterion Used to Define MLD
Murphy, Melissa M.; Mazzocco, Michele M. M.; Hanich, Laurie B.; Early, Martha C.
Journal of Learning Disabilities, v40 n5 p458-478 Sep-Oct 2007
Researchers of mathematics learning disability (MLD) commonly use cutoff scores to determine which participants have MLD. Some researchers apply more restrictive cutoffs than others (e.g., performance below the 10th vs. below the 35th percentile). Different cutoffs may lead to groups of children that differ in their profile of math and related skills, including reading, visual-spatial, and working memory skills. The present study assesses the characteristics of children with MLD based on varying MLD definitions of math performance either below the 10th percentile (n = 22) or between the 11th and 25th percentile (n = 42) on the "Test of Early Math Ability," second edition (TEMA-2). Initial starting levels and growth rates for math and related skills were examined in these two MLD groups relative to a comparison group (n = 146) whose TEMA-2 performance exceeded the 25th percentile. Between kindergarten and third grade, differences emerged in the starting level and growth rate, suggesting qualitative differences among the three groups. Despite some similarities, qualitative group differences were also observed in the profiles of math-related skills across groups. These results highlight differences in student characteristics based on the definition of MLD and illustrate the value of examining skill areas associated with math performance in addition to math performance itself.
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: Primary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A