The negative effects of prenatal malnourishment on later cognitive functioning
a. are severe but can be partially reversed with certain drug therapies.
b. can be reversed if adequate nourishment is provided postnatally.
c. are minimal and should not be a major medical concern.
d. are severe and usually the effects are irreversible.
B
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As the df increases, the t distribution _________
a. gets more symmetrical c. stays the same b. approaches the normal distribution d. becomes more skewed
Of the following, the best definition of "reinforcement" is
A. a consequence that decreases behavior. B. a consequence that increases behavior. C. something that is added to the environment. D. something that is removed from the environment.
About ___ percent of schizophrenic patients are not helped by typical dopamine blocking antipsychotics
a. 90 b. 30–40 c. 25 d. 40–50
In a delightful experiment, researchers showed women pictures of themselves and their mirror images and asked which picture they liked better. Which pictures were women most likely to select?
A. pictures of themselves with other attractive women B. pictures of themselves in profile C. pictures of their mirror image D. pictures of themselves with other attractive men