| Selfreport on single question I am a very happy person 2 true 1 false | |
| Classification | |
| Focus, O-HP | Overall: Happy Person |
| Time frame, g | generally |
| Mode, sq | 1 question |
| Scale type, v | verbal scale Range = 2 |
| Used in studies | |
| Reference | Pishkin & Thorne (1973): study US 1968 |
| Title | A Factorial Study of Existential State Reactions. |
| Public | Deviants and normals, USA, 196? |