Peter is from an African country that emphasizes cooperativeness and obedience as qualities of intelligence. According to the text, Peter is most likely from ____

Neuroscientists recording responses to auditory stimuli in the people's brainstem, find that

A) no activity is produced in this area of the brain. B) extraverts react more strongly to auditory stimuli than introverts. C) introverts react more strongly to auditory stimuli than extraverts. D) introverts and extraverts react similarly.

Normative data for the Gesell Scale

a. were based on a large representative sample. b. included 10 percent minorities. c. were based on a small, but representative sample for the general population. d. was not representative of the population.