Dr. Peters manipulates temperature in order to observe its effects on aggression. Which type of research design is Dr. Peters conducting?

According to the article Old Folks at Home, concerning the ability of older people to perform household tasks, which of the following would be measured by the process scaleof the AMPS?

(a) reaching (b) walking (c) choosing (d) griping

A teacher decides to give her students stickers every time they finish reading a book. After awhile she chooses not to give out any rewards for reading

She notices that the students are not motivated to read as much as before and don't seem to be enjoying their reading time. This best illustrates what phenomenon? a. Intrinsic motivation b. Self-fulfilling prophecy c. Overjustification effect d. Affective forecasting