The Brief Mood Introspection Scale appears to be used frequently in psychological research. A general sense of the usage can be drawn from the 272 citations (as of July, 2012) to the original Mayer & Gaschke article in which it was published. It is worth noting both that some of the 272 citations may have been to aspects of the article unrelated to the BMIS, which would overestimate the use the BMIS,...
The BMIS scale is an open-source mood scale consisting of 16 mood-adjectives to which a person responds (e.g., Are you "happy"?). The scale can yield measures of overall pleasant-unpleasant mood, arousal-calm mood, and it also can be scored according to positive-tired and negative-calm mood.
The authors give their permission for its general research use. Please, though, credit the original article as the source for the scale. The proper APA citation is:
