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| Constructs | Items | Description of items |
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| 1. Altruistic value | AltVal1 | Pollution generated here harms people all over the Earth |
| AltVal3 | The effects of pollution on public health are worse than we realize |
| AltVal 4 | Environmental protection helps people have a better quality of life |
| AltVal5 | Environmental protection benefits everyone |
|
| 5. Biospheric value | BioVal1 | Modern development threatens wildlife |
| BioVal2 | Over the next several decades, thousands of species of plants and animals will become extinct |
| BioVal5 | The balance of nature is delicate and easily upset |
|
| 8. Egoistic value | EgoVal1 | A clean environment provides me with better opportunities for recreation |
| EgoVal4 | Environmental protection is beneficial to my health |
| EgoVal5 | Environmental protection provides a better world for me and my children |
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| 10. Normative injunctive beliefs | NrInBl1 | When it comes to buying a car, I want to choose one which I believe most people who are important to me think I should choose |
| NrInBl2 | I want to choose mode of transportation which I believe most people who are important to me think I should choose |
| NrInBl3 | When it comes to fuel economic ways of driving a car, I want to follow what I believe people important to me think I should do |
| NrInjBl4 | Considering their fuel conservation impact, while I choose tires for my car, I want to consider the advice of people who are important to me |
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| 14. Normative descriptive beliefs | NrDBl1 | I believe that people who are important to me are planning to engage in activities for environmental protection |
| NrDBl2 | I believe that people who are important to me are planning to adopt practice that help conservation of resources for environmental reasons |
| NrDBl3 | I believe that people who are important to me are planning to reduce use of personal car for environmental reasons |
| NrDBl4 | I believe that people who are important to me are inclined to drive ethically in a way that is good for fuel economy |
| NrDBl5 | I believe that people who are important to me are planning to use electric vehicle for environment |
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| 19. Control beliefs | CntlBl1 | I believe I have enough options to select from in electric car categories while I choose to buy one |
| CntlBl2 | I believe I have public transportation options available if I consider to use |
| CntlBl4 | I believe I have ways to reduce the use of personal car for environmental reasons |
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| 22. Attitude towards behaviour | AttoBeh1 | For me, buying an environmentally friendly car is logical |
| AttoBeh2 | For me, using public transport instead of personal car is a wise decision |
| AttoBeh4 | For me, carpooling instead of using personal car is rational |
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| 25. Behavioural beliefs | BehBlf1 | I believe my selecting a car with high rear axle ration will help reduce negative impacts of personal cars on environment |
| BehBlf2 | I believe if I avoid using radial tires, it will help conserve fuel |
| BehBlf4 | I believe if I abide by speed limits, it will help me reduce fuel consumption |
| BehBlf5 | I believe if I buy electric vehicles, it will help me protect environment from car exhausts |
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| 26. Subjective injunctive norms | SbInNr1 | People who are important to me support me when I drive environment-friendly car |
| SbInNr2 | People who are important to me try to convince me to drive an environment-friendly car |
| SbInNr3 | Most people who are important to me think I should buy an environment-friendly car |
| SbInNr5 | People whose opinion I value would prefer me to do carpooling whenever possible for commuting |
| SbInNr6 | Many of the people that are important to me insinuated that I should consider environmental protection while buying a car |
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| 27. Subjective descriptive norms | SbDNr1 | Most of the people that are important to me own environment-friendly cars |
| SbDNr2 | Most of the people that are important to me are considering to buy environmentally friendly car |
| SbDNr3 | Most of the people that are important to me do carpooling for commuting |
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| 29. Perceived behavioural control | PBC2 | If I wanted, I could buy an environmentally friendly car |
| PBC3 | It was mostly up to me whether I would prefer public transport instead of personal car for commuting |
| PBC4 | It was mostly up to me whether I would do carpooling for commuting |
| PBC5 | If I wanted, I could use public transport for commuting |
| PBC6 | If I wanted, I could do carpooling for commuting |
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| 34. Eco-social purchase intentions | ESCBPInt1 | I intend to buy an alternative fuel vehicle even if its quality is lower than a conventional car |
| ESCBPInt2 | I intend to buy an alternative fuel vehicle even if its performance is lower than a conventional car |
| ESCBPInt3 | I intend to buy an alternative fuel vehicle even if it has a less appealing design |
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| 37. Eco-social conservation intentions | ESCBCInt1 | I intend to select a car with a high rear axle ratio for that produces least friction and saves energy |
| ESCBCInt2 | I intend to avoid using wide thread tires for that cause road friction and consume more fuel |
| ESCBCInt3 | I intend to consider using radial tires for that help to preserve fuel resource |
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| 40. Eco-social use intentions | ESCBUInt1 | I intend to choose the one with better environmental performance, if I have multiple car options |
| ESCBUInt2 | Knowing that excessive speed is inefficient and requires more energy to stop the car, I intend to consider observing speed limits |
| ESCBUInt3 | Knowing that excessive speed is inefficient and requires more energy to stop the car, I intend to consider observing steady pace |
| ESCCBA4 | I have been carpooling for office commute for the last couple of months |
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| 44. Religiosity | Rlgsty2 | In my life, I experience the presence of the divine (i.e., God) |
| Rlgsty4 | Nothing is as important to me as serving God as best as I know how |
| Rlgsty6 | My religious beliefs are what really lie behind my whole approach to life |
| Rlgsty7 | I try hard to carry my religion over into all my other dealings in life |
| Rlgsty8 | One should seek God’s guidance when making every important decision |
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