No | Construct | Adaptation Sources | Subconstruct | Examples of Items |
1. | Environmental volunteering values (25 items) | Constructed by the researchers based on the theory of environmental values by | Egoistic | I participate in volunteering activities in my spare time |
Altruistic | I participate in volunteering activities because I want to serve the community | |||
Biospheric | I participate in volunteering activities due to awareness of environmental conservation | |||
Religious | I participate in volunteering activities to practice the religious value of environmental conservation |