Appreciation In Relationships Scale (AIR)
Gordon, A. M., Impett, E. A., Kogan, A., Oveis, C., & Keltner, D. (2012). To have and to hold: Gratitude promotes relationship maintenance in intimate bonds. Journal of Personality and Social Psychology, 103(2), 257–274. https://doi.org/10.1037/a0028723
Appreciation