The mean of a distribution of differences between means is equal to
A) 0
B) 1
C) the difference between the sample means
D) the weighted average of the sample means
A
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Answer the following statement true (T) or false (F)
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a. True b. False Indicate whether the statement is true or false
__________ occurs at the beginning of the research study, whereas __________ occurs at the end.
A. Debriefing; ensuring confidentiality B. Ensuring confidentiality; ensuring reliability C. Obtaining informed consent; debriefing D. Debriefing; obtaining informed consent
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A. internal and external B. personal and impersonal C. societal and emotional D. beneficial and detrimental