Monitoring Preadolescents’ Well-being: Italian Validation of the Middle Years Development Instrument

The aim of this study was to translate into Italian and validate the Middle Years Development Instrument (MDI). This population-level measure was developed and validated in English by Schonert-Reichl and colleagues Social Indicators Research, 114, 345–369, (2013) to measure well-being in preadolescents who were aged between six and twelve years. Our purpose was to test the MDI in the Swiss State of Canton Ticino, in which Italian is the official...