What evidence suggests a hereditary basis for extraversion?
a. Twins resemble each other in extraversion more closely than brother and sister do.
b. Monozygotic twins are more similar in extraversion than dizygotic twins are
c. Dizygotic twins are more similar in extraversion than monozygotic twins are.
d. Adopted children resemble their adopting parents in extraversion.
b
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What is the most common statistical analysis for a single-factor multiple-group design?
a. ANOVA b. independent-measures t test c. repeated-measures t test d. regression
The most commonly used personality inventory is the _____________
a) MMPI-2 b) MBTI c) TAT d) CPI
Those who display ______ view challenges as opportunities for personal growth.
A. self-regulation B. optimism C. self-awareness D. hardiness
Under what conditions will groups tend to make better decisions than individuals?
a. when the conditions are stressful b. when cohesiveness is high c. when they rely on the person with the most expertise d. when there is a strong directive leader