Why are researchers less convinced that gender-related differences in cognition and behavior have a physiological basis?
a. These differences have increased over time, due to changes in gender roles
b. Murder rates are the same in different countries, showing that males are generally more aggressive than females
c. Males and females no longer differ much in mathematical abilities, although boys are still overrepresented at the lower and higher extremes
d. All of the above
C
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What is an example of "internalizing problems" that results from overcontrol of emotions in early childhood?
a. ulcers and other physical problems b. anxiety and depression c. hostile and verbal aggression d. bipolar disorder
Which of the following is true of those who stutter?
a. Children who stutter tend to be more even-tempered than nonstutterers. b. Childhood onset fluency disorder affects most children before puberty to some degree. c. Few stutterers also have problems with social anxiety. d. Brain scans of stutterers reveal abnormal patterns of neural activity in certain regions of the brain.