Items of constructs with sources according of the order in questionnaire
| Construct | Code | Number of items | Source |
|---|---|---|---|
| Actual behaviour | B | 2 | Elaborated by authors |
| Attitude | Att | 5 | Adapted from Al Mamun et al. (2018) and Ru et al. (2018) |
| Perceived behavioural control | PBC | 3 | Adapted from Ru et al. (2018) |
| Subjective norms | SN | 3 | Adapted from Kumar (2021) and Minton and Rose (1997) |
| Environmental concern | EC | 5 | Adapted from (Konuk, 2019) |
| Collectivism | C | 3 | Adapted from Kirmani et al. (2023) |
| Moral obligations | MO | 3 | Adapted from Kirmani et al. (2023) |
| Behavioural intention | BI | 3 | Adapted from Ru et al. (2018) |
| Construct | Code | Number of items | Source |
|---|---|---|---|
| Actual behaviour | B | 2 | Elaborated by authors |
| Attitude | Att | 5 | Adapted from |
| Perceived behavioural control | PBC | 3 | Adapted from |
| Subjective norms | SN | 3 | Adapted from |
| Environmental concern | EC | 5 | Adapted from ( |
| Collectivism | C | 3 | Adapted from |
| Moral obligations | MO | 3 | Adapted from |
| Behavioural intention | BI | 3 | Adapted from |
Source(s): Own elaboration
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