Twin studies make comparisons between the measurements of

A) identical twins only.
B) nonidentical twins only.
C) identical twins and nonidentical twins.
D) identical twins, nonidentical twins, and nontwin siblings.

C) identical twins and nonidentical twins.

Psychology

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In the case of an anxiety disorder, behavior that represents an attempt to ensure the person's safety or the safety and health of a friend or family member is known as compulsive ___________

Answer:

Psychology

In humans, the following trait predicts individuals who will initially begin taking a drug:

A) novelty seeking. B) low IQ. C) high IQ. D) paranoia. E) depression.

Psychology