Combining the monozygotic twin and adoption studies, researchers often study identical twins raised in different families. This method helps researchers determine
A. the effects of adoption on a child's gene expression.
B. the effects of adoption on a child's personality.
C. the effect of environment without the confound of shared genes.
D. the effects of genes without the confound of shared environments.
Answer: C
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Clinicians began to create their own professional organizations when they did not receive recognition and status within the APA. What was the first organization of this type?
a. American Psychological Society b. American Association of Clinical Psychologists c. American Association of Applied Psychology d. Psychonomic Society
Which of the following is a barbiturate?
a. Nembutal b. chloroform c. amphetamine d. diazepam
Teenagers who participate in life-risking sports (e.g., skydiving, bungee-jumping) would be LOW in the trait called
a. emotional self-regulation. b. attachment Q-set. c. secondary reinforcement. d. behavioral inhibition.
The criterion-related validity of a test is affected by
A) the length of the test. B) criterion contamination. C) moderator variables. D) all of the above.