Impact of Performance Appraisal Systems on Employee Effectiveness in Federal Polytechnic, Mubi, Nigeria

This study examined the impact of performance appraisal systems on employee effectiveness in Federal Polytechnic, Mubi. The study adopted a survey research design and focused on academic and non-academic staff of the institution. The population of the study comprised 2,331 staff, while a sample size of 341 respondents was determined using the Taro Yamane  formula. Stratified and simple random sampling techniques were employed in selecting respondents. Primary data were collected through a structured questionnaire designed on a five-point Likert scale. The validity of the instrument was ensured through face and content validity, while reliability was established using the Cronbach Alpha technique with coefficients above 0.70. Data collected were analyzed using multiple regression analysis with the aid of Statistical Package for Social Sciences. The study investigated the impact of appraisal fairness, feedback quality, and appraisal frequency on employee effectiveness. Findings revealed that performance appraisal systems have a strong positive relationship with employee effectiveness (R = 0.812), while the coefficient of determination (R² = 0.659) indicated that 65.9% of variations in employee effectiveness were explained by the independent variables. The result showed that the regression model was statistically significant (F = 222.731, p < 0.05). The regression coefficients further revealed that appraisal fairness (β = 0.362, p < 0.05), feedback quality (β = 0.417, p < 0.05), and appraisal frequency (β = 0.281, p < 0.05) all had positive and significant impacts on employee effectiveness. The study concluded that effective performance appraisal systems significantly enhance employee effectiveness in Federal Polytechnic, Mubi. The study recommended that management should ensure fairness in appraisal practices, provide constructive and timely feedback, and conduct regular appraisal exercises to improve employee productivity and organizational performance.