Even when Lepper, Ross, and Lau explained to high school students that prior viewing of a confusing film caused their poor performance on a problem-solving test, the students continued to see themselves as incompetent. This illustrates:

Research with animal subjects

a. is on the decline because computer simulations of animal nervous systems are so accurate, compelling, and useful. b. has been largely replaced by the use of tissue cultures. c. has been shown to have only limited value to understanding human problems. d. has yielded valuable discoveries that have benefited our species. e. is increasing because of the ease of availability of experimental animals.

The idea that homosexuality evolved as a way to aid the continuation of the homosexual person's genes through the nurturance of other family members, such as nieces and nephews, is called the ____________ hypothesis

a. family support b. kin selection c. sexual support d. kin evolutionary