Sexual behavior in the male rat requires the presence of
a. testosterone.
b. estrogen.
c. sensory factors.
d. adrenaline.
e. an X chromosome.
Answer: a. testosterone.
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Ben is 7 months old. Which of the following is he NOT yet able to do?
a. Roll over b. Sit up assisted c. Sit up unassisted d. Crawl
Which of the following words accurately captures the thinking of a concrete operational child, as compared to earlier cognitive stages?
a. Egocentric b. Flexible c. Rigid d. Abstract
In dream research, sleepers are sometimes awakened when physiological measures indicate they are probably dreaming
Indicate whether the statement is true or false
The ____ of a test can be evaluated by seeing how well the tests identify performance on a future activity
a. content validity b. predictive validity c. factor structure d. consequential validity