The structure of this report is as follows: First, specific aptitude theory and general ability theory, the two theories of the relation between ability and job performance, are presented and differentiated. Second, there is a discussion of problems in the current use of the General Aptitude Test Battery (GATB) and of problems in the use of…

This report cumulates the results of 515 validation studies carried out over a 45-year period by the United States Employment Service, and relates these findings to five systems of job classification and job analysis. Correction for sampling error shows that general cognitive, perceptual, and psychomotor ability are valid predictors of job…

This study investigated the relationship of standardized test scores and locally developed test scores to course placement and academic success in a developmental program. The sample consisted of 281 students who matriculated in the Division of Developmental Studies at a southern university. Eligible students for enrollment in Developmental…

This study investigated the use of teacher perceptions of school effectiveness variables as part of the Pennsylvania state assessment program and briefly reviewed the teacher survey instrument development. Data were available for 155 of the 500 school districts from the 1985 Educational Quality Assessment administration. A norm sample included 111…

The purposes of this study were to examine the relationship between academic achievement and demographic and school background variables for school districts and school buildings and to develop from these relationships a basis for comparing achievement at similar schools. The sample consisted of Iowa public school districts that participated in…