Rich's first psychology exam score is +1 standard deviation from the mean in a normal distribution. The test has a mean of 60 and a standard deviation of 6 . Rich's percentile rank would be approximately:
a. 70%.
b. 84%.
c. 66%.
d. none of the above.
b
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Nunzio is experiencing back pain. His physician tells him the bones attached to his spinal column have become less dense. The doctor is referring to the __________.
A. wasting process B. settling process C. process of physical decline D. bone disintegration gradient
A baby's brain will establish billions of new connections between neurons during which developmental period?
A. the first 6 months of life B. the first 2 years of life C. the first year of life D. the first 3 years of life
In a between-groups study, performance on the dependent variable is compared ______.
a. over time with each participant b. to the national average c. across two or more groups of participants d. to what would have been predicted, if the hypothesis was true
When an artery in a person's brain becomes blocked or bursts open, we say that the person has experienced
a. a stroke. b. neural induction. c. neural congestion. d. spatial neglect.