Happiness measure, code: M-TH-u-sq-v-3-b

Selfreport on single question:

I feel happy..
3 almost all of the time
2 only at some times
1 almost never or never
Focus, M-TH Mixed: Time Happy
Time frame, u time unspecified
Mode, sq 1 question
Scale type, v verbal scale Range = 3
Used in studies