DEVELOPMENT, SELECTION, AND VALIDATION OF FACTORS FOR THE EVALUATION OF AIRMAN JOBS
PERSONNEL RESEARCH LAB LACKLAND AFB TX LACKLAND AFB
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The purpose of the study was to develop, select, and validate efficient and reliable sets of factors and weights for use in evaluating airman jobs. A representative sample of 200 incumbent-prepared airman job descriptions served as the criterion sample evaluated by senior NCOs, lieutenants, captains, and field-grade officers with respect to merited grade, merited pay, and 15 job requirement factors designed specifically for airman jobs. Various combinations of 37 predictor variables, including the 15 factors, were considered in 1,296 regression analyses 480 reported made to derive and validate optimally weighted grade and pay policy equations. The grade policy equation, which involved eight variables, accurately predicted the grades awarded jobs in the criterion sample by the raters. The pay policy equation, which consisted of the same eight variables and one other, also accurately predicted raters judgments of pay. Subsequent analyses with weights developed and cross-applied in 100-job subsamples indicated that both policy equations were very stable. Comparison of the overall-group grade policy equation with grade policy equations developed for each of the four rater groups which provided criterion and factor ratings revealed no important differences. The predictive efficiency of the policy equations and of all predictor combinations investigated was about the same for the four rater groups.