This document discusses perception and the factors that influence it. It outlines attribution theory and the three main determinants of perception - distinctiveness, consensus, and consistency. It describes common errors and shortcuts in perception like the fundamental attribution error, self-serving bias, selective perception, and halo effect. Stereotyping and contrast effects are discussed as additional shortcuts used to make judgments about others. The implications for performance evaluations and subjective measures in organizations are mentioned, noting that perceptual biases can influence these processes.