Browsing by Author "Silva, Aalyah Daniela Boornois da"
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- Recycling behaviours among higher education students in portugal: insights from a cross-sectional quantitative analysis of behavioural determinantsPublication . Silva, Aalyah Daniela Boornois daRecycling plays a crucial role in addressing the consequences of global warming and the ongoing climate crisis. However, research on the determinants of recycling behaviours in Portugal is limited. This cross-sectional study focused on recycling behaviours among university students in Portugal, employing an online self-report questionnaire with a sample size of N=195 participants, ranging in age from 17 to 70. The majority of participants (69.7%) were female, and there was a notable concentration in the Lisbon region. Our investigation aimed to comprehensively explore recycling behaviours, specifically examining the frequency of separation and disposal behaviours and their determinants based on the Capability, Opportunity, Motivation – Behaviour (COM-B) model. Assessment of separation and disposal behaviours across various recyclable waste categories revealed that glass, paper, and plastic were the most frequently recycled items, with moderate overall engagement, highlighting the need for targeted policy interventions. The study explored associations between separation and disposal behaviour frequencies and their respective COM-B determinants. For separation, the behavioural determinants most strongly associated with the frequency of recycling behaviours were physical opportunity, social opportunity, and automatic motivation. As for disposal the determinants most strongly associated with the frequency of disposal behaviours were psychological capability, physical opportunity, social opportunity, and automatic motivation. Additionally, the study aimed to identify key predictors from the COM-B model for both separation and disposal behaviours. The main findings are that automatic motivation was strongly associated and significantly predicted both separation and disposal behaviours. Results suggests that interventions targeting automatic motivation for both separation and disposal behaviours, hold promise. The study provides valuable insights for future research and intervention design.