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Question

Q1. Which of the following is defined as a systematic method of evaluating statistical data based on the results of several independent studies of the same problem?

Factor analysis

Meta-analysis

Systematic analysis

None of the above

Accepted Answer

Answer : Meta-analysis

Factor analysis allows researchers to describe many variables using few factors, thus reducing the number of variables to a manageable level in terms of factors that can be analysed further.

A systematic review answers a defined research question by collecting and summarising all empirical evidence that fits pre-specified eligibility criteria.

A meta-analysis is the use of statistical methods to summarise the results of these studies.
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