THE PURPOSE OF THE RESEARCH WAS TO OBSERVE THE CONSISTENCY OF INTRA-INDIVIDUAL VARIABILITY FROM ONE TASK TO ANOTHER, TO DETERMINE THE RELIABILITY OF OBSERVATIONS OF INTRA-INDIVIDUAL VARIABILITY, AND TO OBSERVE THE EXTENT TO WHICH THE ACCURACY OF PREDICTION VARIED WITH THE CONSISTENCY OF THE INDIVIDUAL'S BEHAVIOR. MALE ENGINEERING STUDENTS AT THE…

The Personal Profile System (PPS) is a psychological testing instrument that has been widely used. The construct validity of the PPS was studied through a review of the literature. This paper organizes the literature review into three broad categories: the background of the PPS; the reliability of the PPS; and the validity of the PPS. The PPS is a…

Three levels of screening procedures were used to identify the incidence and nature of learning disabilities. The first level involved the application by classroom teachers of the Classroom Screening Instrument (CSI), especially developed for the study, and of other measures; the second level involved psychoeducational differential diagnosis by…