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

Anxiety symptoms

Our Classification

Operationalization

10-item index of closed questions on sleeping problems, trembling hands, nervousness, heart beating hard, pressures or pains in head, biting fingernails, shortness of breath, sweating hands, sick headaches, nightmares (see Rosenberg, 1965).

Observed Relation with Happiness