One of the most likely reasons for the typical developmental path for crystallized intelligence is that
a. practice tends to improve performance
b. inherited skills tend to remain steady across the life span.
c. neuron pruning leads to a significant reduction in mental flexibility.
d. modern nutrition is better today than at any point in history.
a
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Exposure therapy requires all of these except for _____
a. A list of feared stimuli b. Attenuation of fear or distress c. Interpretations of the patient's relationships d. Exposure to feared or avoided stimuli
The primary feature of a neuron that prevents the action potential from traveling back from where it just passed is the ____
a. concentration gradient b. refractory period c. sodium potassium pump d. phospholipid bilayer
Jerry is a professional football player who injured his knee while running during a game. Jerry has had surgery and his knee is fully healed, but he is afraid to put pressure on it because he doesn't want to re-injure it. The trainer implements a plan in which he first differentially reinforces standing, then walking, then jogging, and finally running at full speed. This is an example of using
shaping to: a. reinstate a previous behavior b. change a dimension of an existing behavior c. generate a novel behavior d. increase an existing behavior
Taste aversion poses a problem for strict behaviorists because
a. the CS and US are not contiguous. c. the CS and US are contiguous. b. it cannot be extinguished. d. there is no US.