Scale and Items
| Variable | Items | Scale |
|---|---|---|
| Environment-specific servant leadership | My supervisor cares about my eco-initiatives | Luu (2019a) |
| My supervisor emphasizes the importance of contributing to the environmental improvement | ||
| My supervisor is involved in environmental activities | ||
| I am encouraged by my supervisor to volunteer in environmental activities | ||
| My supervisor has a thorough understanding of our company and its environmental goals | ||
| My supervisor encourages me to contribute eco-initiatives | ||
| My supervisor gives me the freedom to handle environmental problems in the way that I feel is best | ||
| My supervisor does what she/he can do to realize my eco-initiatives | ||
| My supervisor holds high environmental standards | ||
| My supervisor always displays green behaviours | ||
| My supervisor would not compromise environmental principles in order to achieve success | ||
| My supervisor values environmental performance more than profits | ||
| Psychological empowerment | The work I do is very important to me | Pieterse et al. (2010) |
| My job activities are personally meaningful to me | ||
| The work I do is meaningful to me | ||
| I am confident about my ability to do my job | ||
| I am self-assured about my capabilities to perform my work activities | ||
| I have mastered the skills necessary for my job | ||
| I have significant autonomy in determining how I do my job | ||
| I can decide on my own how to go about doing my work | ||
| I have considerable opportunity for independence and freedom in how I do my job | ||
| My impact on what happens in my department is large | ||
| I have a great deal of control over what happens in my department | ||
| I have significant influence over what happens in my department | ||
| Employee in-role green work behaviour | I adequately complete assigned duties in environment-friendly ways | Dumont et al. (2017) |
| I fulfil responsibilities specified in my job description in environment-friendly ways | ||
| I perform tasks that are expected of me in environment-friendly ways | ||
| Employee extra-role green work behaviour | I take chance to get actively involved in environmental protection at work | Dumont et al. (2017) |
| I take initiative to act in environment-friendly ways at work | ||
| I do more for the environment at work than I was expected to | ||
| Psychological green climate | My organization is worried about its environmental impact | Dumont et al. (2017) |
| My organization is interested in supporting environmental causes | ||
| My organization believes it is important to protect the environment | ||
| My organization is concerned with becoming more environment friendly | ||
| My organization would like to be seen as environment friendly |
| Variable | Items | Scale |
|---|---|---|
| Environment-specific servant leadership | My supervisor cares about my eco-initiatives | |
| My supervisor emphasizes the importance of contributing to the environmental improvement | ||
| My supervisor is involved in environmental activities | ||
| I am encouraged by my supervisor to volunteer in environmental activities | ||
| My supervisor has a thorough understanding of our company and its environmental goals | ||
| My supervisor encourages me to contribute eco-initiatives | ||
| My supervisor gives me the freedom to handle environmental problems in the way that I feel is best | ||
| My supervisor does what she/he can do to realize my eco-initiatives | ||
| My supervisor holds high environmental standards | ||
| My supervisor always displays green behaviours | ||
| My supervisor would not compromise environmental principles in order to achieve success | ||
| My supervisor values environmental performance more than profits | ||
| Psychological empowerment | The work I do is very important to me | |
| My job activities are personally meaningful to me | ||
| The work I do is meaningful to me | ||
| I am confident about my ability to do my job | ||
| I am self-assured about my capabilities to perform my work activities | ||
| I have mastered the skills necessary for my job | ||
| I have significant autonomy in determining how I do my job | ||
| I can decide on my own how to go about doing my work | ||
| I have considerable opportunity for independence and freedom in how I do my job | ||
| My impact on what happens in my department is large | ||
| I have a great deal of control over what happens in my department | ||
| I have significant influence over what happens in my department | ||
| Employee in-role green work behaviour | I adequately complete assigned duties in environment-friendly ways | |
| I fulfil responsibilities specified in my job description in environment-friendly ways | ||
| I perform tasks that are expected of me in environment-friendly ways | ||
| Employee extra-role green work behaviour | I take chance to get actively involved in environmental protection at work | |
| I take initiative to act in environment-friendly ways at work | ||
| I do more for the environment at work than I was expected to | ||
| Psychological green climate | My organization is worried about its environmental impact | |
| My organization is interested in supporting environmental causes | ||
| My organization believes it is important to protect the environment | ||
| My organization is concerned with becoming more environment friendly | ||
| My organization would like to be seen as environment friendly |
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