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

question 2

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• D) it is an unpublished dissertation and the researcher wants to include only published reports

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Definitions:

Reversed-Treatment Pretest-Posttest Cohort Design

An experimental design where the order of treatment conditions is reversed for different cohorts, allowing assessment of treatment effects over time.

Time Series

A time series is a sequence of data points, typically measurements taken at successive times spaced at uniform time intervals, used to analyze trends, patterns, and predictions in data over time.

Variable

An element, feature, or factor that is liable to vary or change.

Analysis of Concomitance

Statistical techniques used to study the relationship between two or more events, characteristics, or conditions that occur simultaneously.