Module 10: Motivation: a need or desire that energizes and directs behavior toward a goal. Instinct: a complex, inherited behavior that is rigidly patterned throughout a species Drive reduction theory: the idea that a physiological need creates a state of tension (a drive) that motivates an organism to satisfy the need Yerkes- Dodson law: the theory that a degree of psychological arousal helps performance, but only to a point Homeostasis: a tendency to maintain a balanced or consistent internal state Extrinsic motivation: a desire to perform a behavior because of promised rewards or threats of punishment Intrinsic motivation: a desire to perform a behavior for its own sake and to be effective Abraham Maslow (1908-1970): Humanistic psychologist who developed the hierarchy of needs Hierarchy of needs: Maslow’s pyramid of human needs, beginning at the base with physiological needs that must be satisfies before higher- level safety needs and then psychological needs become active Self- actualization:
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