Toby, a baby boomer, is likely to score higher than his father at the same age on verbal memory, inductive reasoning, and spatial orientation. Toby's performance compared to his father's is likely due to generational advances in

Sociobiology has proven itself remarkably heuristic, meaning that

A) it ignites intense criticism and stimulates little to no research over a broad rang of topics. B) it ignites intense criticism as well as stimulating research over a broad range of topics. C) it ignites intense encouragement as well as stimulating research over a broad rang of topics. D) it ignites intense debate and stimulates little research over a broad range of topics.

One dramatic finding from developmental psychology (Plomin & Daniels, 1987) is that two children in the same family are, on average,

A. completely uninfluenced by their genetic heritage. B. as different from one another as two children selected at random. C. more likely to share the same general personality characteristics than two children selected at random. D. likely to share the same IQ.