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Evidence synthesis projects require a significant time commitment, especially if you are undertaking something that is not considered one of the traditional review types. Before you commit this time, please review the questions below and develop solid answers so that you are not surprised along the way. Doing this pre-work can increase your chances of successfully taking your project to completion.
Given the amount of time and effort these projects take, be sure to do exploratory searches to identify if your project is unique. Do not skip this step!
If similar questions have been studied or are in progress, you may find it challenging to get your project published. Think about different aspects of the topic or question that your project might be able to tackle, instead.
In contrast to a traditional narrative literature review (usually done by an individual researcher), many other evidence synthesis projects (e.g. systematic reviews, scoping reviews, rapid reviews, etc.) require a team.
A minimum of three (3) individual members is recommended to fill the following roles:
There are several other team roles and responsibilities that should be considered, including those that follow. Note that several roles/responsibilities may be filled by a single individual with corresponding skills.
Systematic reviews are designed to provide the "evidence-base" in "evidence-based" decision making, policy, practice guidelines, etc. Therefore, you should consider the communities and stakeholders that might be interested in the outcomes of your review, and engage with them throughout the review, especially during the planning phases.
Check out the Cochrane Collaboration's Involving People resource, Dr. Neal Haddaway's Stakeholder and Synthesis repository, and the EPPI Centre's Engaging Stakeholders Evidence and Uncertainty.
Credit: "Team" (Virginia Tech University Libraries) adapted by OSU Libraries & Press under CC BY-NC-SA 4.0.
While there is no definitive answer to how long these projects take, rough estimates range from 6-12+ months.
The PredicTER tool can be used to generate some estimates for systematic review and systematic mapping projects, specifically. The tool will give time estimates for various phases in the projects.
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