Forty adolescent subjects with behavior problems at home or at school were administered the Woodcock Reading Mastery Tests. Subjects ranged in age from 12 to 18, and included 25 males and 15 females. The Passage Comprehension Test for each subject was rescored using three different ceiling criteria: (1) five errors in six consecutive responses,…

A simulation study was designed to assess the severity of regression effects when a set of selection scores is also used as pretest scores as this pertains to RMC Model A of the Elementary and Secondary Education Act Title I evaluation and reporting system. Data sets were created with various characteristics (varying data reliability and…

Results of applying different aptitude-achievement discrepancy models for test scores were compared for 150 second, 150 third, 150 fourth, and 130 fifth graders in several school systems in the Southeast who had been referred for psychoeducational testing for learning disabilities to determine whether different groups of students were identified…

Birnbaum's three-parameter logistic item response model was used to study guessing behavior of low ability examinees on the Graduate Record Examinations (GRE) General Test, Verbal Measure. GRE scoring procedures had recently changed, from a scoring formula which corrected for guessing, to number-right scoring. The three-parameter theory was used…