- Secundary school pupils, Netherlands, 199?
- N = 223
- Non Response:
Students completed the first version of the QLH-Y simultaneously in class.
- Authors's label
- Optimism about future
- Our Classification
- Selfreport on 3 questions about feelings in the last week
- I thought that later everything will be fine
- I thought that I will be happy in the future
Rated on an 4-point numerical scale
0= rarely or never/not at all
1= sometimes/a little
2= often/quite a bit
3= very often or always/very much