Author Question: Since the findings by Costa and McCrae indicating stability in personality over time, more recent ... (Read 110 times)

jparksx · **on:** Aug 23, 2018

Since the findings by Costa and McCrae indicating stability in personality over time, more recent research indicates change is also possible. For example, in one study it was found that extraversion and openness decreased with age while increased over tim

a. impulsiveness
b. conscientiousness
c. neuroticism
d. agreeableness

Question 2

Costa and McCrae suggest that personality traits stop changing by age 30, after which they appear to be set in plaster. Which of the following gives validity to their claim?

a. Their studies were cross-sectional.
b. Their correlations were high.
c. Many additional research studies have been conducted that support their claim.
d. Laypeople's observations of the personality traits of others supports their claim.