I knew I wanted to use the BMIS, I just needed to know what it was exactly. The BMIS uses series of adjectives such as “happy” and “sad” to provide a better quantitative measure of overall mood that the PSS. I used this in my proposal to determine the overall moods of vegans and non-vegans.
Mayer, J. D., & Gaschke, Y. N. (1988). The experience and meta-experience of mood. Journal of personality and social psychology, 55(1), 102.