Measurement items
| Construct | Item | Measurement items | Researchers |
|---|---|---|---|
| Policy regulation | PR1 | The separation facilities (bins, waste collection pools) provided by the government are sufficient to facilitate separation | Liao et al. (2018) |
| PR2 | The government provides clear guidelines and examples on separation | ||
| PR3 | The government's promotion clearly explains the benefits of separation | ||
| Incentives | INC1 | I am in favor of imposing economic rewards to facilitate waste separation | Miranda (1994) |
| INC2 | I am in favor of imposing credit points to record household waste separation performance | ||
| INC3 | I am in favor of imposing fines on inadequate household waste separation performance | ||
| Facilitating condition | FC1 | There is enough space for me to separate my waste at home | Karim et al. (2013) Taylor and Todd (1995) |
| FC2 | I have time to separate my waste at home | ||
| FC3 | I have convenient access to waste separation bins | ||
| Subjective norm | SN1 | Most people who are important to me think I should do waste separation | Wan et al. (2014) |
| SN2 | Most people who are important to me would approve of my waste separation behavior | ||
| SN3 | My neighbors expect me to separate household waste | ||
| SN4 | My friends expect me to separate household waste | ||
| SN5 | My family expects me to separate household waste | ||
| SN6 | My co-workers or schoolmates expect me to separate household waste | ||
| Moral norm | MN1 | I feel I should not waste anything if it could be used again | Wan et al. (2014) |
| MN2 | It would be wrong of me not to separate my household waste | ||
| MN3 | I would feel guilty if I did not separate my household waste | ||
| MN4 | Not separating household waste goes against my principles | ||
| Self-efficacy | SE1 | I know what waste should be separated | Chu and Chiu (2003) |
| SE2 | Knowing what waste should be separated is an important part of my decision whether to engage in this behavior | ||
| SE3 | I know how to separate waste effectively | ||
| Awareness of consequence | AC1 | Waste separation reduces wasteful use of landfills | Wan et al. (2014) |
| AC2 | Waste separation conserves natural resources | ||
| AC3 | Waste separation improves environmental quality | ||
| AC4 | Waste separation saves energy | ||
| AC5 | Waste separation saves money | ||
| Attitude to waste separation | AT1 | Waste separation is good | |
| AT2 | Waste separation is good | Liao et al. (2018) | |
| AT3 | Waste separation is rewarding | ||
| AT4 | Waste separation is responsible | ||
| AT5 | Waste separation is sensible | ||
| AT6 | Waste separation is hygienic | ||
| AT7 | Waste separation is beneficial | ||
| Intention to waste separation | INT1 | I intend to separate my household waste in the near future | Wan et al. (2014) |
| INT2 | I will separate my household waste every time I have it for disposal | ||
| INT3 | I am willing to participate in the separation scheme in the near future |
| Construct | Item | Measurement items | Researchers |
|---|---|---|---|
| Policy regulation | PR1 | The separation facilities (bins, waste collection pools) provided by the government are sufficient to facilitate separation | |
| PR2 | The government provides clear guidelines and examples on separation | ||
| PR3 | The government's promotion clearly explains the benefits of separation | ||
| Incentives | INC1 | I am in favor of imposing economic rewards to facilitate waste separation | |
| INC2 | I am in favor of imposing credit points to record household waste separation performance | ||
| INC3 | I am in favor of imposing fines on inadequate household waste separation performance | ||
| Facilitating condition | FC1 | There is enough space for me to separate my waste at home | |
| FC2 | I have time to separate my waste at home | ||
| FC3 | I have convenient access to waste separation bins | ||
| Subjective norm | SN1 | Most people who are important to me think I should do waste separation | |
| SN2 | Most people who are important to me would approve of my waste separation behavior | ||
| SN3 | My neighbors expect me to separate household waste | ||
| SN4 | My friends expect me to separate household waste | ||
| SN5 | My family expects me to separate household waste | ||
| SN6 | My co-workers or schoolmates expect me to separate household waste | ||
| Moral norm | MN1 | I feel I should not waste anything if it could be used again | |
| MN2 | It would be wrong of me not to separate my household waste | ||
| MN3 | I would feel guilty if I did not separate my household waste | ||
| MN4 | Not separating household waste goes against my principles | ||
| Self-efficacy | SE1 | I know what waste should be separated | |
| SE2 | Knowing what waste should be separated is an important part of my decision whether to engage in this behavior | ||
| SE3 | I know how to separate waste effectively | ||
| Awareness of consequence | AC1 | Waste separation reduces wasteful use of landfills | |
| AC2 | Waste separation conserves natural resources | ||
| AC3 | Waste separation improves environmental quality | ||
| AC4 | Waste separation saves energy | ||
| AC5 | Waste separation saves money | ||
| Attitude to waste separation | AT1 | Waste separation is good | |
| AT2 | Waste separation is good | ||
| AT3 | Waste separation is rewarding | ||
| AT4 | Waste separation is responsible | ||
| AT5 | Waste separation is sensible | ||
| AT6 | Waste separation is hygienic | ||
| AT7 | Waste separation is beneficial | ||
| Intention to waste separation | INT1 | I intend to separate my household waste in the near future | |
| INT2 | I will separate my household waste every time I have it for disposal | ||
| INT3 | I am willing to participate in the separation scheme in the near future |
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