What happens if someone stays awake for several days?
a. Alertness decreases steadily throughout the period of wakefulness.
b. Alertness decreases for the first day and then remains steady.
c. Alertness is better in the morning than it was during the previous night.
d. Alertness increases and decreases on an irregular, unpredictable basis.
c
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The scribbling of young children
a. is random and meaningless. b. shows a lack of cognitive development. c. shows a lack of gross motor skills. d. often demonstrates meaningful patterns.
In times of stress, a person is likely to use mental sets when solving a problem. An example of a mental set is ____.?
a. ?thinking of objects only for their intended use b. ?a well-learned but inefficient approach to a problem c. ?a recurring intrusion of thoughts about the stressful event d. ?dwelling on potential negative outcomes
Among the disadvantages of the case study method is
A. the possibility of subjective judgments. B. the difficulty with determining relationships among variables. C. the difficulty of examining certain concepts experimentally. D. the problem of replicating a treatment.
Cones are sensitive even in very low light conditions
Indicate whether the statement is true or false