The external sex organs of the male include the penis and the ____
a. scrotum c. rectum
b. root d. glans
A
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Space that extends about 18 inches out from the skin is referred as __________ distance
a. personal b. social c. intimate d. public
A study is said to have internal validity if the researcher can be relatively confident that ____
a. the same results would occur if the experiment were replicated b. changes in the independent variable caused changes in the dependent variable c. the operational definitions used in the study were chosen well d. the sample was representative of the broader population of interest
Using the electroencephalograph (EEG), researchers have found higher activation in the left hemisphere is associated with
A. smiling. B. negative mood. C. greater reactions to films that elicit fear. D. feelings of disgust.
Why might later-born children be more popular with their peers?
a. They learn social skills by dealing with their older siblings. b. Their peers feel sorry for them. c. Their parents force them to interact with other children. d. none of these