Males, who produce low levels of testosterone early in development, score poorer on measures of ___ but older men given ___ can increase their performance on measures of spatial tasks

The babbling observed in infants

a. reflects the adult speech that they hear. b. contains simple words. c. is their first attempt to communicate verbally. d. is unique to a culture. e. does not resemble the sounds of speech.

Based on a study that finds that self-esteem is negatively correlated with college grades, which person would you predict would have the highest grades?

a. Michael, who has very high self-esteem b. Davey, who has average self-esteem c. Peter, who has very low self-esteem d. Lisa, who refuses to answer the study questions