Development of an abbreviated job evaluation scale
Master Thesis
1987
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University of Cape Town
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Abstract
The aim of this study was to determine the value of individual job evaluation factors as predictors of the total value of jobs to develop an abbreviated job evaluation scale in a large assurer in South Africa. This would enable the streamlining of the' organization's existing internally developed job evaluation system. A total of thirteen jobs, evaluated by three raters at two committee meetings were analyzed using Kendall's coefficient of concordance (W} and Pearson's product-moment coefficient of correlation (r) to determine interrater reliability. A total sample of 282 jobs at middle management was drawn from the organization's bank of 1200 job evaluation records and 188 jobs were analyzed. Firstly the intensity of the correlation between the individual factor scores and total job scores was measured and, using the Pearson product-moment coefficient .of correlation (r) it was found to be significant. Secondly, factor analysis determined three underlying factors in the system, Effort, Skill and Responsibility, which were used to form the basis for building a prediction model. Thirdly, stepwise regression, performed to determine at which point the addition of extra individual factor scores would not produce a significant difference to the coefficient of determination (R2 ), isolated Competence, Decision level and Interaction as optimum combination. Using multiple linear regression and the aspects, identified above, total job scores were predicted using the balance of the sample of 94 jobs.
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Bibliography: pages 95-99.
Reference:
Badenhorst, J. 1987. Development of an abbreviated job evaluation scale. University of Cape Town.