Happiness measure, code: M-PL-cm-sq-v-5-a

Selfreport on single question:

How much have you experienced certain things in the last two weeks?..
How much do you enjoy life?
1 not at all
2 a little
3 a moderate amount
4 very much
5 an extreme amount

Item F4.1 in WHOQOL. Item 5 in WHOQOL-Bref
Focus, M-PL Mixed: Pleasure in Life
Time frame, cm last month, last few weeks
Mode, sq 1 question
Scale type, v verbal scale Range = 5
Used in studies