A researcher evaluates the number of traffic accidents that occur daily at each of the four most-traveled roads in a local city to determine if one of the roads is more dangerous (i.e., has an unusually high proportion of traffic accidents). What type of analysis is appropriate for this research design?
A. one-way analysis of variance
B. ?2 goodness-of-fit test
C. factorial analysis of variance
D. ?2 test for independence
Ans: B
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During which stage does an infant first clearly distinguish between an attachment figure and strangers?
A. goal-corrected partnership B. attachment in the making C. preattachment D. clear-cut attachment
It is important to screen all of the children on the six motor skill items:
A. So proper equipment can be obtained B. Whenever one of the staff has the time C. In order to set up appropriate activities for each of the children D. So no one is left out
In meaning, which one of the following is least like the others?
(a) law (b) concept (c) principle (d) generalization
Which skill is most likely to be enhanced by activities such as snack time, using the toilet, washing hands, and putting on outer wear?
A. problem solving B. physical C. self-help D. exploration