Evidence synthesis generally involves these steps:
Reference: CIHR. (n.d.) A knowledge synthesis chapter: Stages of knowledge synthesis
Image: Ayala, P. (2020). Screening for studies in systematic reviews, scoping reviews, and other knowledge syntheses: Strategies for improvement. KSIG webinar, April 2020.
Centre for Research Evaluation, London School Hygiene and Tropical Medicine. (n.d.) Evidence synthesis: synthesis methods.