SPIDER as a framework to formulate eligibility criteria in qualitative systematic reviews
Mehrdad Amir‐Behghadami
Abstract
Dear Editor, We read with great interest the review entitled, “Clinician responses to legal requests for hastened death: a systematic review and meta-synthesis of qualitative research,1 published in the BMJ Supportive & Palliative Care . Although the results of the study were significantly valuable, a methodological issue about the search strategy and eligibility criteria. In order to identify all eligible studies, each aspect of the research question must be clearly defined in the eligibility criteria. However, inclusion and exclusion criteria have not been fully defined in detail. Therefore, the purpose of this letter is to highlight the sample, phenomenon of interest, design, evaluation, research type (SPIDER) for determining and formulating eligible criteria for evidence-based practice …