In Health Sciences it is necessary to have measuring instruments that allow analyzing various phenomena for better understanding, including those related to human sexuality. Undoubtedly, it is a sensitive issue to discuss, so it is important to have empirical indicators that are capable of measuring as accurately as possible concepts that interest researchers. The book Validation of instruments for the investigation of sexuality in vulnerable groups is written with the purpose of guiding the process of adaptation and validation of various instruments in the field of sexuality step by step to...