A research worker plans to evaluate high school students' reactions to a new policy on closed campus stations. He locates himself near the office of the dean, where he interviews every fourth student who visits the dean. He eventually secures data from 100 interviews and publishes his findings as the "Reactions of high school students to a new policy for a closed campus." What may be wrong with this approach?
A. inadequate techniques of analysis
B. too small a sample
C. biased sample
D. inadequately defined problem
Answer: C
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The science education reform movement recommends that you use a variety of materials when doing science. It is understood that this process will not always be:?
A. ?neat. B. ?engaging. C. ?clear. D. ?evaluative.
If time permits and you are duty free,
A) try to look busy. B) capitalize on the opportunity to rest and relax. C) take over the activity that the cooperating teacher is conducting. D) ask to leave early. E) sit with or near children to build trust.
A Canadian dollar is worth $0.90. How much is $10.00 worth in Canadian dollars?
a. about $11.00 b. about $12.00 c. a little more than $10.00 d. about $9.00
A _______________ usually offers more space, a larger yard and more privacy than other types of housing.
a. single-family detached house b. townhouse c. cooperative d. condominium