Identify the key concepts in your research question and transfer them to a Concept Table.
|Concept 1||Concept 2||Concept 3||Concept 4|
You may like to use this template.
This process will help you decide which concepts in your question you need to search on and which ones can be left out.
NOTE! Outcomes are often not reported properly in the searchable parts of a paper, so it is often best, not to search for outcomes.