This document summarizes the role of psychology in advertising and its cognitive, behavioral, and rhetorical effects. It discusses how early advertising relied on propaganda and Freudian theories to influence attitudes. Later, research examined the perceptual and attitudinal effects of advertising on consumers using scales and psychometrics. The document also analyzes rhetorical techniques used in ads and their effects when placed in different contexts. Finally, it discusses how advertising impacts children's consumer development and "pester power".