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Material Type: Notes; Professor: Jackson; Class: Introductory Psychology; Subject: Psychology; University: Michigan State University; Term: Unknown 2005;
Typology: Study notes
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Chapter 12, Motivation and Work Motivational Concepts Motivation is the energizing and directing of behavior, the force behind our yearning for food, our longing for sexual intimacy, our need to belong, and our desire to achieve. Instincts and Evolutionary Psychology Under Darwin’s influence, early theorists viewed behavior as controlled by biological forces, such as specific instincts. When it became clear that people were naming, not explaining, various behaviors by calling them instincts, this approach fell into disfavor. The underlying idea—that genes predispose species-typical behavior—is, however, still influential in evolutionary psychology. Drives and Incentives Most physiological needs create aroused psychological states that drive us to reduce or satisfy those needs. The aim of drive reduction is internal stability, or homeostasis. Thus, drive reduction motivates survival behaviors, such as eating and drinking. Not only are we pushed by our internal drives, we are also pulled by external incentives. Depending on our personal experiences, some stimuli (for example, certain foods) will arouse our desires. Optimum Arousal Rather than reducing a physiological need or tension state, some motivated behaviors increase arousal. Curiosity-driven behaviors, for example, suggest that too little as well as too much stimulation can motivate people to seek an optimum level of arousal. A Hierarchy of Motives Maslow’s hierarchy of needs expresses the idea that, until satisfied, some motives are more compelling than others. Hunger The Physiology of Hunger Hunger’s inner push primarily originates not from the stomach’s contractions but from variations in body chemistry, including hormones that heighten or reduce hunger. For example, we are likely to feel hungry when our glucose levels are low or when ghrelin is
secreted by an empty stomach. This information is integrated by the hypothalamus, which regulates the body’s weight as it influences our feelings of hunger and satiety. To maintain weight, the body also adjusts its metabolic rate of energy expenditure. The Psychology of Hunger Our preferences for certain tastes are partly genetic and universal, but also partly learned in a cultural context. The impact of psychological factors, such as challenging family settings and weight-obsessed societal pressures, on eating behavior is dramatic in people with anorexia nervosa, who keep themselves on near-starvation rations, and in those with bulimia nervosa, who binge and purge in secret. In the past half-century a dramatic increase in poor body image has coincided with a rise in eating disorders among women in Western cultures. In addition to cultural pressures, low self-esteem and negative emotions (with a possible genetic component) seem to interact with stressful life experiences to produce anorexia and bulimia. Sexual Motivation Describing Sexual Behavior Although early data-collection efforts by Alfred Kinsey and others have been criticized for their methodology, information about human sexual practices continues to accumulate. We do know that sexual behaviors vary across both place and time and that the range of "normal" sexual interests and behaviors is very broad. The Physiology of Sex Physiologically, the human sexual response cycle normally follows a pattern of excitement, plateau, orgasm, and resolution, followed in males by a refractory period, during which renewed arousal and orgasm are impossible. Sex hormones, in combination with the hypothalamus, help our bodies develop and function as either male or female. In nonhuman animals, hormones also help stimulate sexual activity. In humans, they influence sexual behavior more loosely, especially once sufficient hormone levels are present. The Psychology of Sex External stimuli can trigger sexual arousal in both men and women. Sexually explicit materials may also lead people to perceive their partners as comparatively less appealing and to devalue their relationships. In combination with the internal hormonal push and the external pull of sexual stimuli, fantasies (imagined stimuli) influence sexual arousal. Sexual disorders, such as premature ejaculation and female orgasmic disorder, are being successfully treated by new methods, which assume that people learn and can modify their sexual responses.
Adolescent Sexuality Adolescents’ physical maturation fosters a sexual dimension to their emerging identity. But culture is a big influence, too, as is apparent from varying rates of teen intercourse and pregnancy. A near-epidemic of sexually transmitted infections has triggered new research and educational programs pertinent to adolescent sexuality. Sexual Orientation One’s heterosexual or homosexual orientation seems neither willfully chosen nor willfully changed. Preliminary new evidence links sexual orientation with genetic influences, prenatal hormones, and certain brain structures. The increasing public perception that sexual orientation is biologically influenced is associated with increasing acceptance of gays and lesbians and their relationships. Sex and Human Values Sex research and education are not value-free. Some say that sex-related values should therefore be openly acknowledged, recognizing the emotional significance of sexual expression. Human sexuality at its life-uniting and love-renewing best affirms our deep need to belong. The Need to Belong No one is an island; we are all, as John Donne noted in 1624, part of the human continent. Our need to affiliate—to feel connected and identified with others—boosted our ancestors’ chances for survival and is therefore part of our human nature. We experience our need to belong when suffering the breaking of social bonds, when feeling the gloom of loneliness or the joy of love, and when seeking social acceptance. Motivation at Work For most people, work is a huge part of life. At its best, when work puts us in "flow," work can be satisfying and enriching. What, then, enables worker motivation, productivity, and satisfaction? I/O psychology studies behavior in the workplace through its primary subfields: personnel psychology, organizational psychology, and human factors psychology. Personnel Psychology Personnel psychologists aim to identify people’s strengths and to match them with organizational tasks. Subjective interviews lead to quickly formed impressions, but they
also frequently foster an illusory overconfidence in one’s ability to predict employee success. Structured interviews, pinpointing job-relevant strengths, enhance interview reliability and validity. Personnel psychologists also assist organizations in appraisal that boosts organizations, motivates individuals, and is welcomed as fair. Organizational Psychology: Motivating Achievement People who excel are often self-disciplined individuals with strong achievement motivation. To motivate employees to achieve, smart managers aim to create an engaged, committed, satisfied workforce. Effective leaders build on people’s strengths, work with them to set specific and challenging goals, and adapt their leadership style to their situation.