A researcher who provides a certain treatment to one group and withholds treatment from a completely comparable group is using the __________ research method.
A. correlational
B. epidemiological
C. case study
D. experimental
Answer: D
You might also like to view...
The illusion of control tends to produce ____
a. more risky behavior b. more conservative behavior c. covariation d. distinctiveness
Researchers of cognitive development now suggest that:
A) infants cannot develop the schema of object permanence. B) infants develop the schema of object permanence much later than Piaget realized. C) infants may have a sense of object permanence much earlier than Piaget realized. D) Piaget's theories about the development of object permanence were surprisingly accurate.
Norman has tried to stay below 173 pounds, but just can't seem to do it. He diets and exercises some, and his weight fluctuates, but it always goes back to around 173 pounds. This weight is Norman's:
a) set point. b) metabolic rate. c) genetic weight. d) ideal weight.
According to Freud, what stage of development are infants in when sexual sensations are concentrated in the mouth?
a. oral b. anal c. phallic d. latency