Drivers of Residents’ Home Composting Intention: Integrating the Theory of Planned Behavior, the Norm Activation Model, and the Moderating Role of Composting Knowledge

Hamid Rastegari Kopaei, Mehdi Nooripoor, Ayatollah Karami, Ruxandra Malina Petrescu-Mag and Dacinia Crina Petrescu
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Hamid Rastegari Kopaei: Department of Rural Development Management, Faculty of Agriculture, Yasouj University, Yasouj 75918-74831, Iran
Mehdi Nooripoor: Department of Rural Development Management, Faculty of Agriculture, Yasouj University, Yasouj 75918-74831, Iran
Ayatollah Karami: Department of Rural Development Management, Faculty of Agriculture, Yasouj University, Yasouj 75918-74831, Iran
Ruxandra Malina Petrescu-Mag: Faculty of Environmental Science and Engineering, ISUMADECIP, Babes-Bolyai University, 400084 Cluj-Napoca, Romania
Dacinia Crina Petrescu: Faculty of Business, ISUMADECIP, Babes-Bolyai University, 400084 Cluj-Napoca, Romania

Sustainability, 2021, vol. 13, issue 12, 1-21

Abstract: Home composting is judged as an effective municipal waste management option in which household contribution is essential, but it has a low adoption. The objectives of the study were to determine the factors that influence home composting intention and identify the moderating role of composting knowledge in the model, using the combined model of the theory of planned behavior (TPB) and norm activation model (NAM). A structured questionnaire was applied to a sample of 367 residents of Isfahan city, Iran, randomly selected. Data were analyzed using cluster analysis, discriminant analysis, PLS-SEM, and PLS-MGA. Cluster analysis grouped the three clusters based on the constructs of the integrated model, and this result was confirmed by discriminant analysis. Findings show that attitude, subjective norm, and perceived behavior control can predict the intention to compost. Study results confirmed the positive effect of awareness of the consequences of composting on ascribed responsibility to compost at home, of responsibility to the personal norm, and of the personal norm on intention to compost at home. Furthermore, it was observed that composting knowledge moderates the relationship between subjective norm and behavioral intention, and the one between perceived behavioral control and behavioral intention. The integrated model had more predictive power than the TPB model. The fit statistic of the integrated model was good and 71% of the variance for intention behavior toward home composting. The insights on factors affecting residents’ intention to compost obtained from this study can be used in measures and programs that reinforce and stimulate home composting.

Keywords: composting; food waste; norm activation model; theory of planned behavior; pro-environmental behavior; pro-social behavior (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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