Step 4: data extraction

Data extraction will be performed by one reviewer (KMC) and checked by a second reviewer (NO’B). Data extraction will focus on data that support developing the initial programme theory and CMOCs, including information about the characteristics of the animations (length and use of colour, language, sound, characters, etc), the study sample, outcomes, findings and quality. To enable a more detailed examination of the design and content features of the health animations, we will contact the study authors to request a digital link to the health animation where it is not provided in the study/document. Bespoke data extraction forms will be created in Excel by the review team to record extracted data from quantitative, qualitative and mixed-method studies. The data extraction forms will be revised as required as the review progresses, in line with the iterative nature of realist reviews.