A Researcher Is Interested in Conducting a Meta-Analysis on the Effectiveness

Multiple Choice

A researcher is interested in conducting a meta-analysis on the effectiveness of increased foot patrols. All the following are legitimate reasons to omit a study from a meta-analysis EXCEPT ______.

A) it is a qualitative study
B) the study found that increased foot patrols were not effective
C) the research methods are much different than those of the included studies
D) it is an unpublished dissertation and the researcher wants to include only published reports