The Impact Score is based on the target population’s views and combines importance with frequency. Items with higher scores are not only scientifically valid but also meaningful and relevant to users.
Face validity calculationCVR examines whether each item is judged essential by experts. It helps refine the tool by removing unnecessary items and keeping only the most meaningful content.
CVR CalculationCVI reflects the degree of agreement among experts about how well items represent the intended concept. It ensures the tool covers the construct comprehensively and maintains content validity.
CVI Calculation (I-CVI & Kappa scale)