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a need or desire that energizes and directs behavior
a complex behavior that is rigidly patterned throughout a species and is unlearned
drive-reduciton theory
the idea that a physiological need breates an aroused tension state that motivates an organism to satisfy the need
a tendency to maintain a balance or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
a positive or negative environmental stimulus that motivates behavior
hierarchy of needs
Maslow's pyramid of human needs, beginning at the base with physiological needs that must first be satisfied before higher-level safety needs and then psychological needs becomes active
the form of sugar that circulates in the blood and provides the major source of energy for body tissues. When its level is low, we feel hungry.
set point
the at which an individual's "weight thermostat" is supposedly set. When the body fails below this weight, an increase in hunger and a lowered metabolic rate may act to restore the lost weight.
basal metabolic rate
the body's resting of energy expenditure
anorexia nervosa
an eating disorder in which a person (usually an adolescent female) diets and becomes significantly underweight, yet, still feeling fat continues to starve.
bulimia nervosa
as eating disorder characterized by episodes of overeating, usually of high-calorie foods, followed by vomiting, laxative use, fasting, exercise
binge-eating disorder
significant binge-eating episodes followed by distress, disgust, or guilt, but without the compensatory purging, fasting or exercise
sexual response cycle
the four stages of sexual responding described by masters and johnson- excitement, plateau, orgasm, resolution
refractory period
a restinf period after orgasm, during which a man can't achieve another orgasm
sexual disorder
a problem that consistently impairs sexual arousal or functioning
sex hormones, such as estradiol, secreted in greater amounts by females than males and contributing into female sec characteristics. In non-human female mammals, estrogen levels peak during ovulation, promoting sexual receptivity
the most important of the male sex hormones. Both males and females have it, but the additional testosterone in males stimulates the growth of the male sex organs in the fetus and the development of the male sex characteristics during puberty.
sexual orientation
an enduring sexual attraction toward members of either one's own sex(homosexual orienation) or the other sex (heterosexual orienatation)
a completely involved, focused state of consciousness, with diminished awareness of self and time, resulting from optimal engagement of one's skills
industrial-organizaitonal (I/O) psychology
the application of psychological concepts and methods optimizing human behavior in workplaces
personnel psychology
a subfield of I/O psychology that focuses on employee recruitment, selection, placement, training, appraisal, and development.
organizational psychology
a subfield of I/O psychology that examines organizational influences on worker satisfaction and productivity and facilitates organizational change.
structured interviews
interview process that asks the same job-relevant questions of all applicants, each of whom is rated on established scales.
achievement motivation
a desire for significant accomplishment; for mastery of things, people or ideas; for rapidly attaining a high standard
task leadership
goal-oriented leadership that sets standards, organizes work, and focuses attention on goals
social leadership
group-oriented leadership that builds teamwork, mediates conflict, and offers support.

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