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The issue of employee job performance is crucial to every manager, organization and government. A plethora of factors have been identified to influence an employee´s productivity; but this study, carried out among civil servants as opposed to employees in private firms and organizations in Lagos state, identified and explored three factors that impact on employees job performance such as behavioural pattern, self-esteem and work environment. There was a combined contribution of self-esteem and work environment on job performance while behavioural pattern was the least predictor. This work, therefore, provides a new vista to understanding how the three identified variables interact with job performance. Stratified and simple random sampling was employed to select the participants from four government ministries. A survey questionnaire made up of four trajectories was used to collect all the data for the study. The conclusion should help managers, especially in public work-space to appreciate the various factors that may impact both positively and negatively on an employee´s job performance.

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