A quick note about Rapid Reviews. Often researchers are drawn to these as an option due to their faster timeline. However, be cautious about going down this path as Rapid Reviews are most often justified when there are external forces affecting the timeliness of the review (i.e. rapidly evolving landscape or impending policy decisions).
As the popularity of the systematic reviews have increased, more people want to conduct them. But is it always the right review type for your situation? This helpful decision tree from Cornell University Library walks you through different review methodologies based on your needs.