________ is a combination of excessive self-regard and a lack of empathy or interest in others

Sperling noted that when presented with a briefly flashed matrix of 12 letters subjects only recall about half. He argued that this was because:

A. Subjects were unable to see all of the letters. B. Subjects did not have enough time to apply attention to each of the letters. C. The letters were acoustically similar and so interfered with each other. D. The letters were lost during recall.

B. F. Skinner was a radical behaviorist who refused to

a. conduct research with animals other than humans. b. believe that observation tells us anything about human nature. c. understand how it was possible for people to change. d. accept that individuals can change over time. e. speculate about what happens inside an organism.