This study investigated the effect of vocabulary comprehension on underprepared freshman student responses and their rating of faculty teaching performances at Delaware State University. Learning Skills Center students have weak vocabulary comprehension that might hinder their ability to accurately rate instructors. A vocabulary quiz was given to…

The purpose of this research was to reinvestigate the accuracy of three item bias detection procedures: (1) Linn and Harnisch's pseudo-IRT(Z) method; (2) Camilli's chi-square technique; and (3) Angoff's revised transformed item difficulty method. These methods are applied when the minority group sample size is too small to obtain stable estimates…