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Although destructive leader behavior is an increasingly popular area of study, little is known about its content or dimensionality at a broad level. In this study, an inventory of destructive behaviors was developed through inductive and deductive methods. Across multiple studies, three behavioral dimensions emerged and were used to create a measure of the construct. Results provide support for the instrument's construct and criterion validity and its predictive validity over abusive supervision. The study highlights the progress and limitations of prior research, suggests directions for future studies, and provides a practically useful measure of destructive leader behavior in organizations.

There is little research examining variability in leadership outcomes over time as a function of individual differences. The present study investigates how the extent to which individuals are perceived as leaders varies over time, with self-monitoring and authentic leadership as predictors. Hierarchical linear modeling analyses found that change in the extent to which individuals were perceived to be leaders by others varied across individuals, but this variability was not due to individuals' self-monitoring, authentic leadership, or declining interrater reliability. It was also found that individuals' overestimation of themselves as leaders increased over time. Finally, an initial measure of authentic leadership was developed.

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