Study Brenner (1970): study US 1960

Public:

Highschool pupils, New York State, USA, 1960

Sample:

Respondents:

N = 5204

Non Response:

1%

Assessment:

Questionnaire: paper

Correlate

Authors's label

Time spent on extra-curricular activities

Our Classification

Operationalization

Open-ended direct question: 0 / 1-4 / 5 hours or more in a average week.

Observed Relation with Happiness