The NICHD Study of Early Child Care followed children and their families for 7 years. It was an ambitious and comprehensive study, but a major limitation of this study is that ____
a. not enough families were followed for the 7 years
b. children were not randomly assigned into child-care groups
c. children's child-care experiences were not influenced by other variables
d. the research methods were too old fashioned
Answer: B
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What percent of people show relatively deep depression following the loss of a loved one?
A. 5 to 10 percent B. 10 to 20 percent C. 15 to 30 percent D. 50 to 65 percent
Reciting the alphabet until it is memorized is an example of:
a. a rehearsal strategy. b. a technique that can place information into long-term memory. c. rote learning. d. all of these.
According to the law of effect, a behavior is MOST likely to be stamped in, or repeated, when it is __________
a. ignored b. preceded by reinforcement c. followed by reinforcement d. accompanied by a neutral stimulus
According to the Arizona study, discussion about instructions constituted ________ of the comments made during deliberations by the jurors.
A. 20% B. 15% C. 17% D. 10%