Study Bachman et al. (1978): study US 1966

Public

Public highschool boys followed 8 years from grade 10, USA, 1966-74

Sample

Respondents

N = 1628

Non Response

2.8% at T1, 17.2% at T2, 21.0% at T3, 28.9% at T4, 28.5% at T5

Assessment

Multiple assesment methods
Interviews, tests and questionnaires

Correlate

Authors's Label

School mean intelligence scores

Our Classification

Operationalization

High school's mean  GATB-J score, Gates score and Quick Test score, computed from the scores of all the T1 respondents at that school.

Observed Relation with Happiness