Myers’ EXPLORING PSYCHOLOGY (4th Ed) Chapter 9 Motivation James A. McCubbin, PhD Clemson University Worth Publishers.

Myers’ EXPLORING PSYCHOLOGY (4th Ed)

Chapter 9

Motivation

James A. McCubbin, PhDClemson University

Worth Publishers

Motivation

Motivation a need or desire that energizes

and directs behaviorInstinct

complex behavior that is rigidly patterned throughout a species and is unlearned

Motivation

Drive-Reduction Theory the idea that a physiological

need creates an aroused tension state (a drive) that motivates an organism to satisfy the need

Motivation

Homeostasis tendency to maintain a balanced or

constant internal state regulation of any aspect of body

chemistry around a particular levelIncentive

a positive or negative environmental stimulus that motivates behavior

Maslow’s Hierarchy of

Needs begins at the

base with physiological needs that must first be satisfied

then higher-level safety needs become active

then psychological needs become active

Self-actualization needsNeed to live up to one’s

fullest and unique potential

Esteem needsNeed for self-esteem,

achievement, competence,and independence; need for

recognition and respect from others

Belongingness and love needsNeed to love and be loved, to belong

and be accepted; need to avoid loneliness and alienation

Safety needsNeed to feel that the world is organized and

predictable; need to feel safe, secure, and stable

Physiological needsNeed to satisfy hunger and thirst

Motivation-Hunger Stomach contractions accompany our feelings of hunger

0 1 2 3 4 5 6 7 8 9 10

Time in minutes

Subject swallowsballoon, which

measures stomachcontraction

Subject presseskey each timewhen hungry

Stomach contractions

Hunger pangs

Motivation-Hunger

Glucose the form of sugar that

circulates in the blood provides the major source of

energy for body tissues when its level is low, we feel

hunger

Motivation-HungerSet Point

the point at which an individual’s “weight thermostat” is supposedly set

when the body falls below this weight, an increase in hunger and a lowered metabolic rate may act to restore the lost weight

Metabolic Rate body’s base rate of energy expenditure

Motivation-Hunger The hypothalamus controls eating and other body

maintenance functions

Eating DisordersAnorexia Nervosa

when a normal-weight person diets and becomes significantly underweight, yet, still feeling fat, continues to starve

usually an adolescent femaleBulimia Nervosa

disorder characterized by private “binge-purge” episodes of overeating, usually of highly caloric foods, followed by vomiting or laxative use

Eating Disorders- Anorexia Nervosa

when a person is less than 85% of their normal body weight

95% of sufferers are female most are between the ages of 18-

30 30% of persons diagnosed with

anorexia nervosa die

Weight Discrimination

When women applicants were made to look overweight, subjects were less willing to hire

Willingnessto hire scale

(from1:definitely

not hire to7: definitely

hire)

6

5

4

3

2

1

0 Women Men

Normal Overweight

Weight ControlEffects of a severe diet

Caloric intake

in caloriesper day

Body weight

in kilograms

Metabolism:Oxygen

consumptionin liters

per hour

3000

2000

1000

0 8 16 24 32

Days

165

160

155

150

145

140

Days Days

26

25

24

23

22

218 16 24 32

Weight Control

Most lost weight is regained

Weightchange

in pounds

+5

0

-5

-10

-15

-20 Posttreatment

1 2 3 4 5

Years of follow-up

Weight Control

Obesity is more common among those who watch the most television

Hours of TV watched per day

Percentageobese 25

20

15

10

5

00-1 1-2 2-3 3-4 4-5 More

than 5

Sexual Motivation

Sex is a physiologically based motive, like hunger, but it is more affected by learning and values

Sexual Response Cyclethe four stages of sexual responding

described by Masters and Johnson excitementplateauorgasmresolution

Refractory Periodresting period after orgasm, during which a

man cannot achieve another orgasm

Sexual Motivation

The Sexual Response Cycle

Males Females

Orgasm

Plateau

Excitement

Sexual Motivation

Estrogen a sex hormone, secreted in

greater amounts by females than by males

Forces Affecting Sexual Motivation

Externalstimuli

Imaginativestimuli

Physiologicalreadiness

Sexual DisordersProblems that consistently impair

sexual arousal or functioning In Men

premature ejaculation• ejaculation before they or their partners

wish

impotence• inability to have or maintain erection

In Womenorgasmic disorder

• infrequent or absent orgasms

Sexual Motivation

Sexual Orientation an enduring sexual attraction

toward members of either one’s own gender (homosexual orientation) or the other gender (heterosexual orientation)

Motivation

Achievement Motivation a desire for significant

accomplishmentfor mastery of things, people, or

ideasfor attaining a high standard

McClelland and Atkinson believed fantasies would reflect achievement concerns

Motivation

Intrinsic Motivation desire to perform a behavior for its

own sake and to be effectiveExtrinsic Motivation

desire to perform a behavior due to promised rewards or threats of punishment

Rewards Affect Motivation

Mom: “I’ll give you $5 for every A.’’Controlling reward

Child: “As long as she pays, I’ll study.’’Extrinsic motivation

Mom: “Your grades were great! Let’s celebrate by going out for dinner.’’Informative reward

Child: “I love doing well.’’Intrinsic motivation

Motivation

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