A population distribution has ? = 6 . What position in this distribution is identified by a z-score of z = +2.00?
a. 2 points above the mean c. 12 points above the mean
b. 2 points below the mean d. 12 points below the mean
C
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As you and your friend walk across the street toward the cafeteria, she says, "Oh, I can smell the lobster from here." You, however, can't smell it yet. Which explanation is most plausible??
a. ?Your friend has a lower absolute threshold than you. b. ?Sensory adaptation has decreased your response. c. ?You have a higher just-noticeable difference than she. d. ?Your friend She has a greater sense of subliminal perception than you.
Humans have ______ active odor receptor genes than rats and mice.
A. four times as many B. twice as many C. the same number of D. fewer
In the United States, the total time devoted to media use for children ages 2 to 8 is about __________ hours.
A. 1 B. 2.5 C. 3.5 D. 4
Giving a person a high score or high rating on one question simply because he or she scores high
on other questions is referred to as the A) response set. B) halo effect. C) central tendency error. D) leniency error.