Happiness measure, code: M-AO-g-sq-v-4-a

Selfreport on single question:

Generally, I am happy
1 false
2 more false than true
3 more true than false
4 usually true

Item in Windle and Lerner (1986) scale of positive affect
Focus, M-AO Mixed: Affect + Overall
Time frame, g generally
Mode, sq 1 question
Scale type, v verbal scale Range = 4
Used in studies