If variables X and Yare correlated, then which of the following is not a possibility?
a. X causes Y.
b. X and Yare independent of each other.
c. Y causes X.
d. X and Y may be caused by a third variable, Z.
B
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The Levene's test is used to test for this assumption.
A. homogeneity of variances B. equal variance C. the assumption of normality D. the population of difference scores
According to McDougall, most human social behavior is governed by:
a. a single instinct b. rational plans of action c. mental telepathy d. sentiments
In a study of Tutsi women who were pregnant during the genocide, compared with non-exposed mothers, mothers who witnessed the genocidal carnage had __________
A) higher PTSD and depression scores, but their children displayed weaker GR methylation B) substantially higher PTSD and depression scores, and their children displayed stronger GR methylation C) higher PTSD scores and lower depression scores, and their children did not show GR methylation D) similar PTSD and depression scores, but their children displayed stronger GR methylation
What appears to be the single most important factor in determining a child's long-term response to divorce and remarriage?
a. quality of parenting c. the number of full siblings b. adequate financial resources d. a child's personality type