Ecological research design studies only be undertaken when individual-level data are ______.
A) consistent
B) unavailable
C) known
D) biased
Correct Answer:
Verified
Q25: When a researcher is studying individuals with
Q26: When are case-control designs appropriate to use?
A)
Q27: In case-control research design, researchers must ensure
Q28: A case-control research design is usually _.
A)
Q29: Researchers must ensure that the controls are
Q31: The observational researcher should always randomly assign
Q32: Observational research examines the effects of exposure
Q33: An OR = 1 means exposure does
Q34: When data are collected on the exposure
Q35: The exposure variable in observational research could
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