Is 4 papers enough for a systematic review?

Does a systematic review need more than 1 reviewer?

Most recent answer The primary objective of including two reviewers in the systematic review is to minimize the risk of information bias, selection bias, and bias in the analysis.

How many results does a systematic review have?

There is no such limit. In a systematic review, you are supposed to find ALL studies that meet the study eligibility criteria for your research question. For example, we are currently evaluating 5173 search hits in a systematic review.

What is a good sample size for a systematic review?

When assessing whether sample sizes were adequate, the majority of studies (90-98%) were well powered to detect large effect sizes (2.0 SD) for one mean. However, few studies were adequately powered to detect smaller (and arguably more realistic) effect sizes (0.2-1.0 SD).

How many databases do you need for a systematic review?

Typically at least three databases are used for a systematic review. A list of most commonly used databases appears on this page, but there may be others to consider depending upon the topic. When conducting a systematic review, a thorough search strategy is necessary.