Meta-analysis Flashcards

1
Q

What is a meta-analysis?

A

The process of combining the findings from a number of studies on a particular topic

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2
Q

What is the aim of a meta-analysis?

A

To produce an overall statistical conclusion

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3
Q

What does a meta-analysis result in?

A

A number of

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4
Q

What is a review?

A

A number of studies are compared and discussed

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5
Q

What do you need to consider when findings sources for a meta-analysis?

A

Sample size, blind/double blind trial, operationalisation, symptoms measured, significance level, outliers and sponsors

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6
Q

What are strengths of meta-analysis?

A

It brings together all the available evidence, there is a large number of participants/studies and its less likely to be biased than single studies

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7
Q

What are limitations?

A

Publication bias/file drawer problem of when studies are published which is usually when results are neutral or negative rather than supporting tested theory.

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8
Q

What is the effect size?

A

Overall statistical measure of relationship across variables in a meta-analysis

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