Psychometric Properties and Cultural Adaptation of the Basic Need Satisfaction in General Scale for a Brazilian Population of Wheelchair Users

ABSTRACT:

This study aimed at the cultural adaptation and validation of the Basic Need Satisfaction in General Scale (BNSG) for its application in the Brazilian cultural context. The participants of research were 133 people with physical disabilities, wheelchair users. The cultural adaptation involved a focus group and a linguist from the field of Portuguese Language Degree. Statistical methods were systematically employed to meet the objectives of cultural adaptation, estimation of evidence of validity based on content, internal structure, relation with external variable and accuracy for the Brazilian version of the BNSG. The Exploratory Factorial Analysis indicated the adequacy of the model composed of a factor with good indicators of accuracy, Cronbach’s Alpha coefficient equal to 0.916, and McDonald’s omega equal to 0.916. The results of this research assure the adequacy of the BNSG cultural adaptation process for the Brazilian context, resulting in a new tool for research related to basic psychological needs included in the scenario of the theory of self-determination.

KEYWORDS:
Psychometry; Basic Psychological Needs; Self-determination; Person with Disability