According to research presented in the text, what percentage of second-year medical students were found to endorse the belief that homosexuality is a mental disorder?

The "Rosenthal effect" occurs when

a. race of the tester produces a bias. b. the administrators' expectations influence the respondents' scores. c. test-takers do poorly because they are fatigued. d. the gender of the test administrator is different than that of the examinee.

Which of the following illustrates the holistic nature of development theme?

a. A child's early experiences direct the synaptic pruning that occurs in the first years of life. b. The timing of puberty depends on both your genetics and what sort of nutrition you have had. c. Babies remain the same length for days, and then grow several centimeters all in one day. d. Motor development in infants is related to the infant's cognitive and social goals.