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Unit X Motivation
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Motivational Basics Motivation: A need or desire that energizes behavior and directs it toward a goal. 127 Hours N vs. N Four basic theories: Instincts and evolution Drive-reduction theory Arousal theory Self-Actualization
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Instincts and Evolution Charles Darwin’s influence Attributes of instincts Human examples Criticisms of instinctive explanations Instinctual Motivation: The idea that pre- programmed behavioral responses drive and focus behavior.
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Drive-Reduction Theory What is a drive? Drive-reduction theory Drives vs. instincts Homeostasis Incentives Limits of D-R theory Drive: A psychologically compulsion that motivates behavior. Drive-Reduction Theory: Physiological needs create psychological drives that compel an organism to satisfy that need.
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Arousal Theory Not all motivated behaviors simply satisfy needs Arousal theory Examples Distinction between arousal theory and drive-reduction theory Yerkes-Dodson law Optimum arousal (a psychological homeostasis?) Arousal Theory: Humans are motivated by a desire to maintain a certain level of emotional, cognitive and physical activity.
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The Hierarchy of Needs D-R and Arousal theory work well in an assembly-line, one need at a time world. Hierarchy of Needs Abraham Maslow Key concepts Criticisms of H of N The 2010 (r)evolutionary update
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Hunger o Ancel Keys experiment o Hunger, signal detection theory and state-dependent memory
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Physiology of Hunger The stomach, set(tling) point and basal metabolic rate Brain chemistry Lateral + and Ventromedial - Hypothalamus Orexin + Body Chemistry Glucose and Insulin - pancreas Grehlin + – empty stomach Obestatin - - full stomach PYY - - intestines Leptin - - fat cells
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Psychology of Hunger Taste preferences (remember umami?) Social factors Social facilitation Unit bias Eating Disorders Anorexia nervosa Bulimia nervosa Binge-eating disorder Risk factors and gender differences
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Obesity and Weight Control Statistics Risks Health factors Social factors Physiology of obesity Fat and metabolism Genetic factors Environmental factors Losing weight
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Sexual Motivation There may be some awkward moments ahead…
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Physiology of Sex Alfred Kinsey Masters and Johnson research The sexual response cycle Excitement Plateau Orgasm Refractory period (resolution phase) Sexual disorders – psychological and physiological Gender differences
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Hormones and Sexual Behavior Sex hormones Estrogens: Estradiol, Estriol, and Estrone Androgens: Testosterone, DHT, and androstenedione Hormones and Behavior Female behavior Male behavior Sex hormones direct the development of gender specific traits and motivate sexual behavior.
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The Psychology of Sex Needs vs. wants (Drive –reduction vs. arousal theory) Environmental factors Gender differences Habituation and social change Negative expectation effects Cognitive factors Sex and the brain Sexual fantasies
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Adolescents Risks and Sex Perception vs. Reality Risk factors for unplanned pregnancy Ignorance Minimal communication Guilt Alcohol and drug use Cultural norms (related to communication) STDs aka STIs Statistics Factors in safety: Intelligence, religion, paternal involvement, community service
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Sexual Orientation Sexual behavior vs. Sexual orientation Statistics on orientation and behavior Sexual orientation and mental health Changing sexual orientation Origins of sexual orientation Common misconceptions The fraternal birth-order effect Biology and sexual orientation Brain, genes and prenatal hormones Sex and Human values
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Social Motivations No man (or woman) is an island, after all…
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The Need to Belong Social motivation Evolution and survival The desire to belong Relationships, autonomy and competence Sustaining relationships Examples Ostracism Cyber-ostracism
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Motivation and Work While relationships help us fulfill the psychological drive for relationships, we also have drives for autonomy and competence – and work helps fulfill these drives. Job vs. career vs. calling Mihaly Csikszentmihalyi– “Flow – the Psychology of Optimal Experience” Extrinsic and intrinsic motivation The changing role of work I/O Psychology: Human factors, personnel and organizational sub-types
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Personnel Psychology Placement practices Interviews Interviewer illusion Structured interviews Evaluating performance Importance of evaluation Methods Halo effect Leniency and severity Recency errors Personnel psychology is primarily interested in studying employee recruitment, hiring, placement, training, and assessment.
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Organizational Psychology Achievement motivation Self-discipline and talent The 10-year rule Job Satisfaction and Engagement Increasing S and E Managing Well Motivating strengths Task leadership vs. social leadership The voice effect “Visioning” and work culture Organizational psychology is primarily interested in studying the relationship between the structure of organizations and the people within them.
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