Colleen Conoley - Academia.edu (original) (raw)
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City University of New York/ Guttman Community College
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Differential Item Functioning in the Peabody Picture Vocabulary Test – Third Edition: Partial Cor... more Differential Item Functioning in the Peabody Picture Vocabulary Test – Third Edition: Partial Correlation versus Expert Judgment. (December 2003) Colleen Adele Conoley, B.A., Southwest Test State University Chair of Advisory Committee: Dr. Cecil R. Reynolds This study had three purposes: (1) to identify differential item functioning (DIF) on the PPVT-III (Forms A & B) using a partial correlation method, (2) to find a consistent pattern in items identified as underestimating ability in each ethnic minority group, and (3) to compare findings from an expert judgment method and a partial correlation method. Hispanic, African American, and white subjects for the study were provided by American Guidance Service (AGS) from the standardization sample of the PPVT-III; English language learners (ELL) of Mexican descent were recruited from school districts in Central and South Texas. Content raters were all self-selected volunteers, each had advanced degrees, a career in education, and no spec...
Differential Item Functioning in the Peabody Picture Vocabulary Test – Third Edition: Partial Cor... more Differential Item Functioning in the Peabody Picture Vocabulary Test – Third Edition: Partial Correlation versus Expert Judgment. (December 2003) Colleen Adele Conoley, B.A., Southwest Test State University Chair of Advisory Committee: Dr. Cecil R. Reynolds This study had three purposes: (1) to identify differential item functioning (DIF) on the PPVT-III (Forms A & B) using a partial correlation method, (2) to find a consistent pattern in items identified as underestimating ability in each ethnic minority group, and (3) to compare findings from an expert judgment method and a partial correlation method. Hispanic, African American, and white subjects for the study were provided by American Guidance Service (AGS) from the standardization sample of the PPVT-III; English language learners (ELL) of Mexican descent were recruited from school districts in Central and South Texas. Content raters were all self-selected volunteers, each had advanced degrees, a career in education, and no spec...