There are more nerve endings in the penis than the clitoris

Much of the social science research that shaped developmental theories in the past has been done on a narrow sample of people. Which set of descriptors best identifies the narrow sampling?

A. Western, diverse levels of education and diverse economic strata B. World-wide, culturally diverse, young, and poorly educated C. World-wide, well-educated, wealthy, and industrialized D. Western, educated, industrialized, rich, and democratic

Rosenzweig's study found that when compared to rats raised in an impoverished environment, rats raised in an enriched environment had ______ neurons with ______ synaptic connections

a. smaller; fewer b. smaller; more c. larger; fewer d. larger; more