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| a set of factors that activate, direct, and maintain behavior, usually toward a goal |
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| a body's tendency to maintain a relatibely stable state, such as a constant internal temperature, blood sugar, oxygen level, or water balance. |
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| Maslow's theory of motivation that some motives (such as phsiological and safety needs) must be met before going on to higher needs (such as belonging and self-actualization) |
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| an eating disorder characterized by a severe loss of weight resulting from self-imposed starvation and and obsessive fear of obesity |
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| a desire to excel, especially incompetition with others. |
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| Maters and Johnson's description of the four-stage bodily response to sexual arousal, which consists of excitement, plateau, orgasm, and resolution |
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| negative attitudes toward an individual because of her or his sexual orientation |
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| motivation based on obvious external rewards or threats of punishment |
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| a subjective feeling that includes arousal (heart pounding), cognitions (thoughts, values, and expectations), and expressions (frowns, smiles, and running). |
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