Question

Which of the following is a reason that psychologists especially value meta-analyses?
a. Meta-analyses eliminate the need for replications.

b. Meta-analyses always take less time to conduct.

c. Meta-analyses allow researchers to examine the strength of a relationship.

d. Meta-analyses are immune to threats to internal validity.

Answer 1

c. Meta-analyses allow researchers to examine the strength of a relationship.

A quantitative, formal, epidemiological study method known as a "meta-analysis" is used to carefully evaluate the findings of earlier research in order to draw conclusions about that body of work. To produce a more accurate assessment of an outcome, meta analysis combines the findings of other research. In most cases, although not always, the study is founded on randomised controlled clinical trials. Researchers can effectively aggregate smaller studies using meta-analysis to create one large study, which may assist demonstrate an impact. A meta-analysis can also help to improve the accuracy of the findings. This is also the case because it essentially makes the research larger. A meta-analysis is a reliable, impartial, and scientific way of evaluating and integrating several findings. A meta-analysis is often focused on randomized controlled trials to get more trustworthy results.

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