In recent times there have been urgent calls for reforms in the public sector, and thereby certain private sector management techniques have been advocated to be implemented in the public sector. Special emphasis has been placed on performance management and thereby performance appraisals in this regard. However, research and observation show that performance appraisals have failed in their duty in both the private sector and the public sector in their design as well as their implementation. Performance appraisals literature speaks of three models, namely, the rational, political and justice models. However, they have been researched in isolation and conclusions drawn..
