Myers’ PSYCHOLOGY (5th Ed) Chapter 4 Adolescence and Adulthood James A. McCubbin, PhD Clemson...

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Myers’ PSYCHOLOGY (5th Ed) Chapter 4 Adolescence and Adulthood James A. McCubbin, PhD Clemson University Worth Publishers

Transcript of Myers’ PSYCHOLOGY (5th Ed) Chapter 4 Adolescence and Adulthood James A. McCubbin, PhD Clemson...

Myers’ PSYCHOLOGY

(5th Ed)

Chapter 4

Adolescence and Adulthood

James A. McCubbin, PhDClemson University

Worth Publishers

Adolescence and AdulthoodAdolescence

the transition period from childhood to adulthood

extending from puberty to independencePuberty

the period of sexual maturation when one first becomes capable of

reproduction

Adolescence and Adulthood

Primary Sex Characteristics body structures that make sexual reproduction

possibleovaries- femaletestes- maleexternal genitalia

Secondary Sex Characteristics nonreproductive sexual characteristics

female- enlarged breast, hipsmale- voice quality, body hair

Menarche (meh-NAR-key) first menstrual period

Adolescence and Adulthood

In the 1890’s the average interval between a woman’s menarche and marriage was about 7 years; now it is nearly 12 years.

10 20

7.2 Year Interval

10 20

11.8 Year Interval

Age

Age

1890, Women

1988, Women

Adolescence and Adulthood

Throughout childhood, boys and girls are similar in height. At puberty, girls surge ahead briefly, but then boys overtake them at about age 14.

Height in centimeters

190

170

150

130

110

90

70

50

0 2 4 6 8 10 12 14 16 18Age in years

Boys Girls

Adolescence and Adulthood-Erikson

Identity one’s sense of self the adolescent’s task is to solidify a

sense of self by testing and integrating various roles

Intimacy the ability to form close, loving

relationships a primary developmental task in late

adolescence and early adulthood

Adolescence and Adulthood

With ideas similar to parents’ With ideas different from parents’

Percentageof teens

10

40

90

80

50

60

70

100

20

30

What values are most important in your life

Religion How youspend your money

What you should do in your leisure time

High school seniors’ attitudes appear to be in much closer agreement with those of their parents than many might suppose (Bachman et al., 1987).

Adolescence and Adulthood

The percentage of babies born to unmarried British, Canadian and American women (1/3 of whom were teens) has more than quintupled since 1960.

Percentage of births to unwed mothers

0

5

10

15

20

25

30

1940 1950 1960 1970 1980 1990

Year

Japan

Britain

United States

Canada

Adulthood- Physical Changes

The slow decline of the body’s physical capacities during adulthood (adapted from Insel & Roth, 1976).40

50

60

70

80

90

100

30 40 50 60 70 80

Age in years

Percentage of function remaining

90

Lung volume

Maximum energyexpenditure

Resting energyexpenditure

Heart capacity

Adulthood- Physical Changes

Menopause the time of natural cessation of menstruation also refers to the biological changes a woman

experiences as her ability to reproduce declinesAlzheimer’s Disease

a progressive and irreversible brain disorder characterized by a gradual deterioration of

memory, reasoning, language, and finally, physical functioning

Adulthood- Physical ChangesThe Aging Senses

10 30 50 70 900

0.25

0.50

0.75

1.00

Proportion of normal (20/20) vision when identifying letters on an eye chart

Age in years

Adulthood- Physical ChangesThe Aging Senses

10 30 50 70 9050

70

90

Percent correct whenIdentifying smells

Age in years

Adulthood- Physical ChangesThe Aging Senses

10 30 50 70 9050

70

90

Percent correct whenidentifying spokenwords

Age in years

Adulthood- Physical Changes

Slowing reactions contribute to increased accident risks among those 75 and older.

12

10

8

6

4

2

016 20 25 30 35 40 45 50 55 60 65 70 75 and

over

Fatal accident rate

Age

Fatal accidentsper 10,000 drivers

Fatal accidentsper 100 million miles

Adulthood- Cognitive Changes

Recalling new names introduced once, twice or three times is easier for younger adults than for older ones (Crook & West, 1990).18 40 50 60 70

Age group

Percentof namesrecalled

0

10

20

30

40

50

60

70

80

90

100

After oneintroductions

After twointroductions

Older age groups have poorer performance

After three introductions

Adulthood- Cognitive Changes

In a study by Schonfield & Robertson (1966), the ability to recall new information declined during early and middle adulthood, but the ability to recognize new information did not.

NumberOf wordsremembered

20 30 40 50 60 700

4

8

12

16

20

24

Age in years

Number of wordsrecalled declineswith age

Number of wordsrecognized is stable with age

Adulthood- Cognitive Changes

Cross-Sectional method suggests decline

Longitudinal method suggests more stability

25 32 39 46 53 60 7467 8135

40

45

50

55

60

Age in years

Reasoningabilityscore

Cross-sectional method

Longitudinal method

Cross-sectional methodsuggests decline

Longitudinal methodsuggests more stability

Adulthood- Cognitive Changes

Crystallized Intelligence one’s accumulated knowledge and

verbal skills tends to increase with age

Fluid Intelligence ones ability to reason speedily and

abstractly tends to decrease during late adulthood

Adulthood- Cognitive Changes

Verbal intelligence scores hold steady with age, while nonverbal intelligence scores decline (adapted from Kaufman & others, 1989).

20 35 55 7025 45 6575

80

85

90

95

100

105

Intelligence(IQ) score

Age group

Nonverbal scoresdecline with age

Verbal scores arestable with age

Verbal scoresNonverbal scores

Adulthood- Social ChangesSocial Clock

the culturally preferred timing of social eventsmarriageparenthoodretirement

Hospice an organization whose largely volunteer staff

provides support for dying people and their families either in special facilities or in people’s own homes

Adulthood- Social Changes

Multinational surveys show that age differences in life satisfaction are trivial (Inglehart, 1990).0

20

40

60

80

15 25 35 45 55 65+

Percentage “satisfied”with lifeas a whole

Age group

Adulthood- Social Changes

Kubler-Ross (1969) proposed that the terminally ill pass through a sequence of five stages denial of the terminal condition anger and resentment (Why me?) bargaining (with God or physicians) for

more time depression stemming from impending loss acceptance of one’s fate

Adulthood- Stability of Agressiveness

Index of aggressionagainst wife asreported by wifein 1981

0

10

20

30

40

50

60

70

80

Lowscores

Mediumscores

Highscores

Boys’ 1960 aggression score

Aggressive boysmore often become wifeabusers

Adulthood- Stability of Agressiveness

Average number of criminal convictions as of 1981

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

Lowscores

Mediumscores

Highscores

Boys’ 1960 aggression score

Aggressive boysmore often become convicts