The experiment by Meaney and colleagues (Meaney, 2010; Weaver et al., 2004) on rats raised by nurturant and non-nurturant mothers concluded that early experience __________.
A. cannot modify gene expression
B. can modify gene expression if it starts before birth
C. can modify gene expression
D. has no impact on gene expression
Answer: C
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Popularity refers to social standing—the extent to which a child is considered a valued member of a group
Indicate whether the statement is true or false
In _______________, researchers administer tests to a large sample of incumbents and evaluate their performance to find correlations between job performance and personality traits or cognitive abilities
A) validation studies B) performance appraisals C) job simulations D) job analyses
A researcher places dogs in a cage with metal bars on the floor. The dogs are randomly given electric shocks and can do nothing to prevent them or stop them
Later, the same dogs are placed in a cage where they can escape the shocks by jumping over a low hurdle. When the shocks are given, the dogs do not even try to escape. They just sit and cower. This is an example of __________ a) learned helplessness. b) avoidance learning. c) aversive conditioning. d) vicarious learning.
Arrival time of sound at the two ears is processed initially by binaural neurons in the
A. cochlea. B. ventral cochlear nucleus. C. ventral cochlear nucleus. D. superior olive.