According to the text, about what percent of the adult population either maintains a stable level of intellectual performance or increases their performance well into their 70s?
a. about 40-45%
b. about 60-70%
c. about 80-85%
d. nearly 100%
b
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Denise thought the test was easy, but she was not sure. So, after she turns in her paper she talks to her friends to see what they thought about the test. Denise’s actions best illustrate
a. need for affiliation. b. need for power. c. need for intimacy. d. extraversion. e. the social comparison processes.
In animals, if a drug appeared to produce antidepressant effects in some models and reduced hyperactivity in other models, the researchers would likely identify the drug as a(n)…
a. multimodal antidepressant drug. b. mood stabilizer. c. antimanic/antidepressant. d. tricyclic antidepressant drug.
Fatima sees her four-year-old son spontaneously picking up his toys. If she wishes for her son to continue this behavior, she should
a. praise her son immediately after he finishes picking up the toys. b. wait and praise her son after his father gets home from work. c. not praise her son because he will then expect praise every time he acts "good.". d. wait and only praise him if he picks them up again on another day.
What term refers to the number of scores that are free to vary?
a. sum of squares b. N c. degrees of freedom d. variance