Abstract
The objective of this study was to examine the factor structure of the Basic Psychological Needs Satisfaction and Frustration Scale (BPNSFS) on an adolescent sample from Serbia. The study involved 494 participants (58.6% females) – 266 elementary school students (53.8%; aged from 12 to 15) and 228 (46.2%; aged from 16 to 18) high school students. CFA and ESEM confirmed an original six-factor model of BPNSFS. The reliability of six subscales – Autonomy Satisfaction, Autonomy Frustration, Competence Satisfaction, Competence Frustration, Relatedness Satisfaction, and Relatedness Frustration – was acceptable. Correlations between the factors and between different aspects of academic motivation showed good convergent and divergent validity. Testing measurement invariance across age indicated that the elementary school students have higher autonomy satisfaction than secondary school students. These findings bring confirmation to SDT’s assumption regarding the cultural universality of basic psychological needs.
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