Parents of preterm infants generally show them increased care and affection in comparison with full-term infants

Alfred Kinsey is best known in the history of sexual research for his

a. recordings of human sexual intercourse under laboratory conditions. b. large-scale interviews of Americans about their sexual behavior. c. development of an evolutionary theory of human sexuality. d. controversial theories of erotic attraction.

Which of the following is an example of a scientific hypothesis?

a. "Space exploration benefits our world and the United States needs to increase funding for NASA." b. "Marital satisfaction tends to improve when the youngest child is grown and leaves the home because parents now have more time and energy for the marital relationship." c. "HIV causes AIDS, and AIDS is a disease and will never be cured." d. "If a tree falls in the forest, and no one is there to hear it; does it make a sound?"