The correlation between IQ scores of identical twins raised together is about
A) +0.50
B) +0.75
C) +0.25
D) +0.90
D
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With a known population mean of 75 and a known standard error of the mean
of 5.00, what is the probability of selecting at random a sample whose mean is 70 or less? What will be an ideal response?
Which of the following is an accurate summary of the results of the research of Winecoff and colleagues (2011), which examined neural mechanisms of emotion in the aging human brain?
a. Younger adults' reports of negative emotion were higher than older adults in the negative reappraisal situation. b. Younger adults' reports of negative emotion were higher than older adults in the positive reappraisal situation. c. Older adults' reports of negative emotion were higher than younger adults in the positive reappraisal situation. d. Older adults' reports of negative emotion were higher than younger adults in the negative reappraisal situation.