A research participant hears a tone followed by a puff of air directed toward his eye. Later, he blinks when he hears the tone. Before ending the experiment, what should the researcher do to extinguish the blinking to that tone?
a) increase the loudness of the tone
b) present the tone alone repeatedly
c) present the puff of air alone repeatedly
d) increase the amount of air that is directed toward the eye
B
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IQ scores obtained during adolescence are best at predicting
a. whether a person will graduate from college. b. a person's high school grades. c. a person's choice of occupation. d. how well a person performs in his or her chosen occupation.
The mean of the scores 3, 6, 7, 8, 1 is:
a. 5 b. 5.2 c. 6 d. 7
Which child would not be labeled as failure-to-thrive?
a. Any child below the third percentile for height and weight in his or her age range b. A child who has inherited an abnormally short stature c. A child who has displayed normally slow growth from birth d. A child who has been ill for several months and is not the same height or weight as his or her agemates
The first step in adaptation is
A) cognitive disequilibrium. B) cognitive equilibrium. C) assimilation. D) accommodation.