What is the shape of the distribution for the following set of data? Scores: 1, 2, 3, 3, 4, 4, 4 5, 5, 5, 5, 6
a. Symmetrical c. Negatively skewed
b. Positively skewed d. Normal
C
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Once the amygdala has identified a stimulus as potentially dangerous, it communicates with the ____
a. ?hypothalamus b. ?hippocampus c. ?adrenal glands d. ?cerebral cortex
Dalton has been diagnosed with Korsakoff's syndrome. What likely caused his disorder?
A. He is an alcoholic and has damaged his nervous system such that glucose cannot cross the blood-brain barrier. B. He has been exposed to a virus that has now started killing neurons. C. He doesn't have enough thiamine probably as a result of chronic alcoholism. D. His glial cells are overactive and are damaging healthy neurons.
Which of the following illustrates an unconditioned stimulus (UCS)?
a. blinking when air is blown into your eye b. blinking, when you hear your favorite song c. your favorite song d. a puff of air to your eye
Rice, Thapar, and colleagues (2007, 2009) attempted to uncouple the effects of genetics and the effects of smoking while pregnant on birth weight and elevated antisocial behavior. They found that
A. birth weight was unrelated to smoking. B. antisocial behaviors elevated the risk for smoking. C. antisocial behavior could be linked to genes but not to smoking. D. genetic factors appear to cause smoking.