Anecdotally, you may have heard that one of the commonly cited medical uses for marijuana is pain relief for cancer patients; this anecdotal evidence can be supported by findings that ______ can stimulate the ______.
A. cannabinoids; primary somatosensory cortex
B. cannabinoids; periaqueductal gray
C. pot's opiates; spinal cord
D. endorphins; release of endogenous cannabinoids
Answer: D
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Suppose that Jose was born and raised in Mexico, and that—even though he has never been to the U.S.—he holds a number of stereotypes about Americans. According to the text, these stereotypes are most likely based on ____
a. the few brief interactions he has had with Americans in Mexico b. what he has heard about Americans from other Mexicans c. what he knows about other groups of foreigners d. his assumptions about what Americans "must be like" given what he knows about the U.S. as a country
The middle 90% of a normal distribution is located between z = –1.96 and z = 1.96
Indicate whether the statement is true or false
The disadvantage of the ______ as a measure of central tendency is that by using all the scores in the distribution for its calculation, it is influenced more by extreme scores than the median or mode.
A. mode B. median C. mean D. central tendency
When reinforcement for a behavior is withheld, an extinction burst is common. This extinction burst is a(n) ____
a. ?rapid decrease in the behavior b. ?emotional reaction indicating that the organism is not happy with the situation c. ?period of time in which the behavior is not exhibited at all followed by a recurrence d. ?temporary increase in the behavior