Twin studies have been of particular importance in the study of abnormal behavior because they have
a. identified genetic vs. environmental contributions to psychological disorders
b. examined similarities between twins from different families
c. shown that MZ twins in different environments develop different disorders
d. shown that identical twin are never truly identical
Ans: a. identified genetic vs. environmental contributions to psychological disorders
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The continued presentation of the CS without the US will result in the gradual disappearance of the CR. This phenomenon is known as
a. extinction. b. inhibition. c. suppression. d. conditioned forgetting.
The death instinct is called:
a. obsession b. eros c. libido d. thanatos
One-word sentences used by children under 2 years old to express their behaviors and reactions are called ______
a. cephalocaudil phrases c. pseudosentences b. abbreviated speech d. holophrases
Describe two characteristics of children that put them at risk for physical abuse.
What will be an ideal response?