Compared to White Americans of European descent, African Americans score, on average,
a. about 5 points lower on IQ tests.
b. about 5 points higher on IQ tests. c. about 10 points lower on IQ tests. d. about 15 points lower on IQ tests. e. about the same on IQ tests.
d
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What BMI level is typically regarded as an indication of obesity?
a. 20 b. 25 c. 30 d. 35
A target's "gaze disengagement" tends to lead perceivers to
a. believe that a target is overly confident. b. rate a target as more physically attractive. c. have difficulty forming an accurate impression of a target. d. form a negative impression of a target.
The ordering and duration of daily sleep and waking periods are known as
a. meridian rhythms. b. sleep patterns. c. REM cycles. d. sleep stages.
| tcrit | for any alpha level is _________ | zcrit | for N less than infinity
a. greater than c. less than b. the same as d. none of these