Validation by experts: importance in translation and adaptation of instruments

Objective: To present the content validation by experts as an essential step in validation, translation and cultural adaptation of psychometric instruments, having the example of the questionnaire of moral sensitivity in Portugal and Brazil. Method: This is a methodological study, with a committee of twelve experts, seven from Brazil and five from Portugal. The data collection and analysis occurred in 2015, between the months of September and October in Portugal and November and December in Brazil. Results: Of the 30 items presented to the experts, 20 had adaptation suggestions. Some adjustments were necessary so that the items were clear and easily comprehensible. The final version remained with 28 items. Conclusion: The content validation of psychometry instruments by a committee of experts is essential for researchers and nurses, who are increasingly concerned about the use of reliable and appropriate measures for research and evaluation of care.