The standard error of the mean is calculated as ______.
a. the population standard deviation divided by the square root of the size of the sample
b. the population standard deviation divided by the size of the sample
c. the square root of the size of the sample divided by the population standard deviation
d. the sample standard deviation divided by the size of the sample
Ans: a
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. In comparison to simple random sampling, proportional stratified random sampling tends to be:
a. A little more efficient b. A little less efficient c. Just as efficient d. Efficiency is unrelated to sampling techniques
After submitting a proposal to a present research at a professional conference, a practitioner-researcher can expect all of the following to happen, except:
a. The proposal will be submitted for blind peer review. b. Professional educators with expertise in the field will review the proposal against pre-established criteria. c. Notice of the proposal’s submission will be sent to the practitioner-researcher’s principal or other school administrator. d. Notice of acceptance or rejection of the proposal will be sent a couple of months before the conference.
Yes/no student responses are likely
a. ?with narrow questions. b. ?with open-ended questions. c. ?during initiating activities. d. ?during observational activities.
The methodology section of a quantitative research proposal does not include a description of the
a. subjects. b. instruments. c. statistical procedures. d. study procedures.