What, if anything, differs between potentially addictive substances and those that are not addictive?
a. There is no dependable distinction between addictive and nonaddictive substances.
b. Addictive substances are chemically similar to either dopamine or serotonin
c. Addictive substances are insoluble in water.
d. Addictive substances have a negative electrical charge.
a
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The varied responsibilities of being a mother, many of which are stressful, are a good example of what psychologists call ____
a. ?daily hassles b. ?conflagrations c. ?conflicts d. ?catastrophes
The part of the cortex that is most active during preparations for a movement and less active during the movement itself is the ____.
A. premotor cortex B. somatosensory cortex C. inferior temporal cortex D. tabes dorsalis
If, after calculating an inferential statistic, we find that the results of our study are NOT
statistically significant, we can reasonably conclude that a. our study contained a major flaw. b. our results may have been due simply to chance. c. we did not ask the right research question. d. our efforts in conducting the research were not justified by the results we obtained. e. our hypothesis must be incorrect.
Because of work pressures, Marian experienced a great deal of stress during her pregnancy. Due to this stress, Marian's baby
a. may be a smaller, weaker baby at birth. b. may develop severe learning disabilities. c. will have a higher risk of autism. d. will not have a higher risk of any physical or mental problems.