Most standardized tests of intelligence have a distribution of scores that __________.
A. follows the normal curve
B. has a positive skew
C. has a negative skew
D. appears bimodal with two peaks of high frequency
Answer: A
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Group differences in IQ scores can be attributed to non-genetic factors. Which environmental influence is least significant with regard to IQ differences??
a. ?parenting styles b. ?extent of parents’ educational backgrounds c. ?socioeconomic status d. ?geographic location
After coming to the U.S., Juan learned English and became involved with American life, while still maintaining ties and friendships with his friends and relatives, who had also immigrated from Mexico, a pattern of acculturation known as assimilation
Indicate whether the statement is true or false
As a volunteer in a sleep experiment, Isaac was awakened each time he entered REM sleep for two nights. On the third night he was allowed to sleep normally. We would expect that REM deprivation would:
a. have no effect on his normal sleeping pattern b. cause a temporary depression c. lead to REM rebound on the third night d. cause him to be irritable for the next few days
The use of embryonic _____ cells, though hotly debated as both a medical and social issue, may have the potential for helping to cure many serious diseases and injuries
Fill in the blank with correct word