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. 2021 Jul 14;22:449. doi: 10.1186/s13063-021-05410-6

Table 4.

Triangulation protocol

Step Activity
1. Sorting Sort findings from each data set to identify the key findings that address each research question of interest to determine areas of content overlap and divergence. A list of the key themes will be compiled and added to the convergence coding matrix
2. Convergence coding Compare the findings to determine the degree of convergence of (a) essence of the meaning and prominence (e.g. the number of participants mentioning a theme) of the themes presented and (b) specific examples provided in relation to each theme. Characterise the degree and type of convergence using the following concurrence coding scheme within theme areas:
 Convergence coding scheme
  Agreement There is full agreement between the sets of results on both elements of comparison (e.g. meaning and prominence are the same and specific examples provided are the same)
  Partial agreement There is agreement on one but not both components (e.g. the meaning or prominence of themes is the same or specific examples provided are the same)
  Silence One set of results covers the theme or example, whereas the other set of results is silent on the theme or example
  Dissonance There is disagreement between the sets of results on both elements of comparison (e.g. meaning and prominence are different and specific examples provided are different)
3. Convergence assessment Review convergence coding matrix to provide a global assessment of the level of convergence. Document when and where researchers have different perspectives on convergence or dissonance of findings
4. Completeness comparison Compare the findings from the convergence coding matrix to create an overarching summary of the findings, highlighting both unique and similar contributions to each research question
5. Researcher comparison Determine the degree of agreement among researchers on triangulated findings. Any disagreements will be resolved by consensus through discussion with another researcher
6. Feedback Feedback of triangulated results to the wider research team for review and clarification

Adapted from [31]