As discussed in the text, it is quite possible that the deeply rooted human impulse to form social groups was partly stimulated by competition among different groups

According to his parents, Taylor was a testy, finicky, and somewhat irritable kid from the moment he was born. In preschool, the other children called him "Grumpy" and wouldn't play with him, and his teacher found him "difficult to work wit

This example best illustrates A) heritability. B) niche-picking. C) the evocative role that genes can play. D) the passive role that genes can play.

Jona is taking a test that measures how efficiently he processes information. What type of scale is being used?

A) Processing-speed scale B) Verbal scale C) Working memory scale D) Language scale