Manifestation of idiosyncratic rater effect in employee performance appraisal

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Performance appraisal is the bedrock of talent management and has received much attention from scholars and researchers alike in their pursuit to develop accurate, objective, and robust Performance Management Systems (PMS). Through survey questionnaire the present study examines the prevalence of idiosyncratic rater biases on the performance appraisal systems and evaluates the measure of its impact. The correlations between the personality traits and the similarities of the raters’ workplace characteristics with the raters’ performance ratings are also determined. The study has provided empirical evidence of the manifestation of idiosyncratic rater bias in the company under study. The idiosyncratic rater tendencies showed a significant impact on performance ratings. It was seen that about one-third of the variations in the ratings were resultant of the idiosyncratic factors, such as similarities in the personality traits and workplace identities. It is also found that there exists a positive correlation between the similarities in the identities, as well as the personality traits of the raters and the ratees, and the way the rating awarded by the rater.

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    • Table 1. Workplace Characteristics Factors
    • Table 2. Big Five Personality Traits
    • Table 3. Regression analysis of idiosyncratic rater effect team-wise
    • Table 4. “Observed frequencies” of matching vis-à-vis performance ratings
    • Table 5. “Expected frequencies” of matching vis-à-vis performance ratings
    • Conceptualization
      Athmeeya Hunuganahalli Paramesh, Vishal Samartha, Iqbal Thonse Hawaldar
    • Data curation
      Athmeeya Hunuganahalli Paramesh, Rajesha Thekkekutt Mathukutti
    • Investigation
      Athmeeya Hunuganahalli Paramesh, Vishal Samartha, Rajesha Thekkekutt Mathukutti
    • Methodology
      Athmeeya Hunuganahalli Paramesh, Vishal Samartha, Iqbal Thonse Hawaldar
    • Writing – original draft
      Athmeeya Hunuganahalli Paramesh, Vishal Samartha, Rajesha Thekkekutt Mathukutti
    • Formal Analysis
      Vishal Samartha, Iqbal Thonse Hawaldar
    • Project administration
      Vishal Samartha, Iqbal Thonse Hawaldar
    • Supervision
      Vishal Samartha
    • Validation
      Rajesha Thekkekutt Mathukutti, Iqbal Thonse Hawaldar
    • Visualization
      Rajesha Thekkekutt Mathukutti, Iqbal Thonse Hawaldar
    • Writing – review & editing
      Iqbal Thonse Hawaldar