Grinding in-autonomy | An experience where players freely make decisions and choices in the game. | Grinding because I’m interested.Grinding because I was forced.I hope grinding is optional according to my preference. | Ryan et al. (2007) |
Grinding in-competence | The right balance between the challenge of the game and the player’s ability level. | I am very good at grinding.While at grinding, I feel successful.While at grinding, I feel skilled.The way the grinding works is just fine. | Ryan et al. (2007) |
Grinding in-relatedness | Refers to the degree of connection a player has with other players in the game. | At grinding, I feel like I have found a sense of belonging to the team.At grinding, you can make many new friends.At grinding, I feel a good interaction with other players.At grinding, you can run your own relationships. | Ryan et al. (2007) |
Grinding in-positive affect | There is enjoyment, joy and relaxation in the Grinding experience, and the post-grinding experience is energizing. | At grinding, I was very happy.At grinding, I was very satisfied.I feel like the grinding is pretty impressive.The grinding is very attractive to me.The grinding makes me feel very interesting.At grinding, I felt myself imaginative at grinding. | Poels et al. (2008) |