Why is a drug that is long-acting desirable?
a. It will work quickly.
b. It will need to be taken less frequently.
c. The likelihood of side effects is decreased.
d. It will be quickly metabolized or excreted.
b. It will need to be taken less frequently.
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Chris's mother offers to give him a cookie, but only if he doesn't throw a temper tantrum in the grocery store. What concept of operant conditioning is at work here?
a. Positive reinforcement b. Negative punishment c. Extinction d. Classical conditioning
Do neonates have the peripheral vision of older children?
a. Yes, and in fact, infants have better peripheral vision than older children. b. No they do not? infants prefer to look through the centers of their eyes. c. Yes, but infants are unable to track movements visually. d. Due to the difficulties in studying infants, we do not know if they have peripheral vision or not.
What is an experimental design for assessing age-related changes in which data are obtained simultaneously from people of differing ages?
a. longitudinal study b. mixed longitudinal study c. cross-sectional study d. correlational study
According to Freud, each stage of development involves:
potential conflicts. inappropriate sexual urges. a major developmental crisis. need for cultural adaptation.