Abstract
The aim of this study was to develop a valid and reliable instrument for evaluating students’ perceptions of their school’s key strengths, or school assets, using the positive adolescent development approach. To do this, we first created a scale after carrying out a review of the instruments already in use to evaluate school climate and aspects related to the school context which have been identified as factors that promote the socio-personal development and adjustment of adolescents. Secondly, expert judgement was sought to ensure the validity of the scale’s content. And finally, in order to analyse the psychometric properties of the scale, it was given to a sample of 2,400 adolescents (1,068 boys and 1,332 girls) aged 12–17 (M = 14.73, SD = 1.25) in secondary education in state and private schools in Western Andalusia. The results obtained endorsed the scale’s psychometric properties. The external and predictive validity of the instrument remains to be tested in future studies.
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