Construction and validation of a scale to measure consumers knowledge of food processing and acceptance of processed food

•All items obtained Kendal Coefficient (W) ≥ 0.8 in content validation and semantic evaluation•Gwet's AC2 was 0.96 to clarity and 0.81 to pertinence•Fleiss Kappa was equivalent of 0.78, indicating almost-perfect agreement•The instrument was divided in six dimensions, according to Exploratory Factorial Analysis•Alfa de Cronbach was 0.92, indicating the excellent reliability of instrument