Janet has agreed to participate in surveys online.Every few weeks,she is sent an email requesting her to participate in an online survey.What did Janet do to become involved in these research studies?
A) opted out
B) opted in
C) randomized herself
D) met a quota
Correct Answer:
Verified
Q18: The first stage in the selection of
Q19: There is no appropriate statistical technique that
Q20: Systematic sampling is a type of true
Q21: A single element or group of elements
Q22: When a researcher uses students to participate
Q24: The difference between the sample result and
Q25: Which type of error occurs when certain
Q26: When a researcher wants to study the
Q27: When a researcher has made the decision
Q28: One advantage of a convenience sample is
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