کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
371946 621946 2010 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
An item analysis of Raven's Colored Progressive Matrices among participants with Down syndrome
موضوعات مرتبط
علوم زیستی و بیوفناوری علم عصب شناسی علوم اعصاب رفتاری
پیش نمایش صفحه اول مقاله
An item analysis of Raven's Colored Progressive Matrices among participants with Down syndrome
چکیده انگلیسی

Standardized tests are widely used in intellectual disability research, either as dependent or control variables. Yet, it is not certain that their items give rise to the same performance in various groups under study. In the present work, 48 participants with Down syndrome were matched on their raw score on Raven's Colored Progressive Matrices (RCPM) with 48 participants with intellectual disability of undifferentiated etiology and 48 typical children. An item analysis was then conducted using the transformed item difficulties method, a statistical approach designed to detect differential item functioning between groups. Results showed that the difficulty of items was highly similar for the three groups. It is concluded that RCPM can be used with considerable confidence in comparative studies including typical, Down syndrome and intellectually disabled participants of undifferentiated etiology. Some methodological implications of these findings are discussed.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Research in Developmental Disabilities - Volume 31, Issue 1, January–February 2010, Pages 243–249
نویسندگان
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