The document discusses perception processes and how individuals organize and interpret sensory information. It defines perception and outlines the perceptual process model involving environmental stimuli, receiving stimuli through the senses, and perceptual selectivity. It discusses factors like personality, motivation, experience, stimulus intensity, contrast that influence how stimuli are selected. The document also covers perceptual organization principles of figure-ground, closure, continuity, proximity and similarity. It discusses social perception and factors influencing how people perceive others. It introduces attribution theory and types of attributions like dispositional and situational. It outlines Kelley's theory of causal attribution focusing on consensus, consistency and distinctiveness. It concludes with attributional biases like the fundamental attribution error and self-serving bias.