The most prevalent neurodegenerative disorder is ____

In terms of adolescent sleep needs,

a. adolescents get more sleep than they did at earlier ages. b. many adolescents experience sleep deprivation. c. "phase delay" causes adolescents to get up early in the morning. d. most teenagers average eight hours of sleep per night.

One reason why social psychologists use the scientific method when they study human behavior is to

a. encourage social psychologists to conduct more basic rather than applied research. b. allow other social psychologists to attempt to replicate the findings. c. ensure that the right people get credit for the research. d. provide a solid theoretical foundation for social psychological research.