Additional resources
Questions used with permission from Elliott, G., Kao, S., & Grant, A. M. (2004). Mattering: Empirical validation of a social-psychological concept. Self and Identity, 3(4), 339-354.
Bigony, C. (2019). 15Five: Technology aligned to the science of thriving. (Unpublished master's thesis). University of Pennsylvania, Philadelphia, PA, USA.