Preliminary assessment of the potential size and scope of available research literature. Aims to identify the nature and extent of research evidence (usually including ongoing research).
Not sure if you should conduct a systematic review or a scoping review? This article could help your decision making.
2. Rapid review
Assessment of what is already known about a policy or practice issue by using systematic review methods to search and critically appraise existing research.
3. Narrative review
Synthesises primary studies and explores this through description rather than statistics.
Statistically combines the results of quantitative studies to provide a more precise effect on the results.
5. Mixed methods/mixed studies
Refers to any combination of methods where one significant component is a literature review (usually systematic). Within a review context, it refers to a combination of review approaches. For example, combining quantitative with qualitative research or outcome with process studies.