Technical Appendix C_Supplementary File C1: COSMIN Review Management File

This supplementary material accompanies the systematic review entitled "Understanding Supervision Quality: A Systematic Review of Theoretical Constructs Underpinning Supervision Measurement Instruments in Healthcare". Technical Appendix C, Supplementary File C1 provides the complete COSMIN Review Management File used to document the methodological quality and measurement property appraisal of the included studies and supervision quality instruments. The Excel spreadsheet contains extracted measurement property data, COSMIN methodological quality ratings, assessments against the COSMIN criteria for good measurement properties, and certainty of evidence grading decisions using the modified GRADE approach recommended by COSMIN.