The standard error of the mean is the best estimate that we can come up with given that it is impossible to compute ______.
a. all of the possible means
b. all of the possible standard deviations
c. all of the possible variances
d. all of the possible medians
Ans: a
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The authors described two approaches to instruction that are based on cognitive psychology. Compare and contrast these two approaches. Your discussion should address the following: name of each instructional approach, the focus of instruction of each
approach, the activity/passivity of the teacher and students in each approach, and specific suggested teaching methods associated with each approach. What will be an ideal response?
The content and thinking processes that are the focus of a best-works portfolio should be decided after all the entries are complete
a. True b. False
A proposal for a qualitative study typically includes these elements in this order:
a. an explanation of how the findings will fit with the larger literature. b. the theoretical framework and underlying assumptions. c. a statement of the purpose of the study and its guiding questions. d. the hypotheses and operational definitions.
A researcher measured a group of people’s physiological reactions while watching horror films and compared them to when watching comedy films. The resulting data were normally distributed. What test should be used to analyse the data?
A. Independent t-test. B. Mann–Whitney test. C. Wilcoxon signed-rank test. D. Paired-samples (dependent or related) t-test.