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Self-efficacy mechanism in human agency.

This article addresses the centrality of the self-efficacy mechanism in human agency. Self-per- cepts of efficacy influence thought patterns, actions, and emotional arousal. In ...

1982 American Psychologist 14800 citations

Principal Component Analysis

Abstract When large multivariate datasets are analyzed, it is often desirable to reduce their dimensionality. Principal component analysis is one technique for doing this. It re...

2005 Encyclopedia of Statistics in Behavio... 14494 citations