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Role ambiguity and role conflict were hypothesized to be negatively related to employee satisfaction and performance. Previous research, however, had revealed that these two types of role perceptions were not always negatively related to satisfaction and performance. Furthermore, when the predicted negative relationships were found, the magnitudes of the relationships varied widely. In this study employee ability was hypothesized to reduce the negative relationships between role perceptions and satisfaction and performance. In addition, the effect of ability was hypothesized to be moderated by organization level. The results generally failed to support the hypothesized relationships. There were, however, two significant interactions that partially supported one hypothesis. Employees with high ability were less affected by role ambiguity than employees with low ability. [ABSTRACT FROM AUTHOR]

Performance decrements and dissatisfactions at the work place have long been observed but have not been adequately explained. Activation research and selected studies of work behavior are reviewed to show that decrements in performance may be better understood in the light of recent neuro-psychological findings. This review indicates that activation theory and the research upon which it is based anticipates behavior related to variations in task design and suggests new avenues of investigation for those interested in the determinants of work behavior. [ABSTRACT FROM AUTHOR]