Trending of Performance Appraisal Score Growth and the Longevity of Time between the Same Worker and Supervisor
Hunter, Jeffrey K.
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Performance appraisals are conducted by organizations to access how an employee has performed during a past period of time. However it is unknown whether previous research has been performed on the relationship between performance appraisal score growth of workers who have received reviews from the same supervisor for three consecutive years. To determine if a relationship exists with these scores and the length of time a supervisor and worker pair has been together, historical appraisal scores from different organizations were obtained. The null hypothesis expects that there should not be a trend and scores should be evenly distributed between increasing, decreasing or no change trends. After receipt of data from 2 companies and 40 supervisor-worker pairs, chi-square testing showed that the null hypothesis was rejected and that there is a statistically significant relationship between performance appraisal score growth rates between these supervisor worker pairs over a this period for expected outcomes, revealing that there was no performance growth instead of increasing or decreasing. Regression testing showed moderate correlation between the scores and the number of people reporting to a supervisor and strong correlation was shown between the scores and the number of years someone has been a supervisor, with these tests tempered by the small number of observations. It is recommended that this study be repeated across more organizations and determine if score growth is desired to link performance scores to other organizational goals.