8. With regard to personality development, the
greatest changes tend to occur:
|
a.
|
in early to mid-adulthood
|
|
b.
|
during the teenage years
|
|
c.
|
in early childhood
|
|
d.
|
after the age of 50
|
ANS: C
9. All
of the following are considered to be among the major categories of sources of
personality differences except:
|
a.
|
gender
|
|
b.
|
heredity
|
|
c.
|
culture
|
|
d.
|
environment
|
ANS: A
10. Some
studies of twins suggest that as much as ____ of personality traits may be
inherited.
|
a.
|
10-15%
|
|
b.
|
20-25%
|
|
c.
|
90-95%
|
|
d.
|
50-55%
|
ANS: D
11. All
of the following are environmental sources of personality differences except:
|
a.
|
family
|
|
b.
|
friends
|
|
c.
|
life experiences
|
|
d.
|
genetics
|