High levels of __________ has/have been associated with lower rates of dementia.
A. white matter hyperintensities
B. B vitamins in one's diet
C. education
D. egocentrism in one's personality
Answer: C
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Effect size is one of the two major factors that contribute to power. Another factor is:
A) the sample's standard deviation B) the minimum meaningful difference C) the sample size D) the mean of the known population
Eventually, stepparents and children begin to get to know one another well and to discuss feelings and forge real relationships in the ____________ stage of stepfamily formation
A. immersion B. fantasy C. contact D. resolution
In the 1950s, _____.
A) cohabitation was a norm
B) pairings were not influenced by parental approval
C) children born out of wedlock were stigmatized
D) children were reared in day care centers due to dual career parents
What is the approximate power for a study using the t test for dependent means with an expected large effect size, one-tailed test, and N = 50?
A) 40 B) 77 C) 88 D) Nearly 1