A correlation is considered to be positive if:
both variables increase or decrease together.
one variable increases while the other variable decreases.
no connection between the two variables is seen.
there is no instance of a positive correlation.
both variables increase or decrease together.
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Jesse's home life was extremely stressful and physically abusive until he was placed in foster care at the age of 6. Upon entering the first grade, it became apparent that Jesse suffered some learning and memory deficits
Which of the following would best explain these deficits? The neurons in Jesse's brain are lacking myelination. Jesse's hippocampus failed to develop correctly. Jesse's hypothalamus is probably overdeveloped. Jesse's corpus callosum is most likely thinner than it should
After listening to a lecture on prejudice, a student wonders if having close friends from different ethnic groups can reduce prejudice against these groups. Research suggests that the answer is
a. yes, because such friendships will help to reinforce in-group biases. b. yes, because it may become easier to identify and empathize with out-group members. c. no, because these friendships may foster a process of social categorization. d. no, because the less that is known about the social norms and customs of out-groups, the better.