Which of the following is a condition under which meta-analysis would be inappropriate to conduct?
A) Highly conflicting results among studies
B) Research questions across studies being nearly identical
C) A large number of studies to draw from
D) Independent variables are similar across studies
A
Feedback:
Reviewers need to decide whether it is appropriate to use statistical integration. One basic criterion is that the research question being addressed should be nearly identical across studies. This means that the independent and dependent variables, and the study populations, are sufficiently similar to merit integration. A second criterion concerns whether there is a sufficient base of knowledge for statistical integration. If there are only a few studies, or if all of the studies are weakly designed and harbor extensive bias, it usually would not make sense to compute an "average" effect. One final issue concerns the consistency of the evidence. When the same hypothesis has been tested in multiple studies and the results are highly conflicting, meta-analysis is likely not appropriate.
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