Cultural Adaptation of Narcissistic Personality Inventory (NPI-16) for Bangladeshi People

The objective of this study was to adapt a cultural appropriate Narcissistic Personality Inventory (NPI-16) for the Bangladeshi people. The study consisted of 320 participants, all of whom were students at the University of Rajshahi taken through purposive sampling technique. At first, written permission was taken from the original developer of the NPI-16 scale prior to translation and use within the Bangladeshi culture. The NPI-16 scale was adapted through a rigorous five stages team translation (TT) procedure. During the first adaptation stage, consultation with the supervisor, the researcher translated the original item of Narcissistic Personality Inventory (NPI-16) into Bengali language to check and modify the translation as needed. The team of expert panel consisted of one English language, one Bengali language, one social work professional and three Psychology departments systematically revised and judged to ensure the accuracy of translation, language and relevance of each item which provides a second synthesized version. In the third stage, adjudication processes conducted ensure the third synthesized version. To adjudicate, decide whether the translation is ready for detailed pretesting. In the four stages, pretesting of the synthesized versions was carried out. In this stage, translated items were administered within 30 students. In the final phase, the Narcissistic Personality Inventory (NPI-16) scale was documented. To determine the psychometric properties of Narcissistic Personality Inventory (NPI-16) factor analysis, Cronbach’s Alpha was computed in this study. Narcissistic Personality Inventory (NPI-16) indicated Cronbach’s Alpha of .852, and five distinct factors were extracted from the Sixteen-item questionnaires.