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Correlational findings

Study Mussen et al. (1980): study US 1930

Public:
Mothers, followed from age 30 to 70, Berkeley, USA, 1930-70
Sample:
Respondents:
N = 81
Non Response:
Assessment:
Interview: face-to-face
Extensive interviews between age 30 and 70

Correlate

Authors's label
Earlier happiness
Our Classification
Operationalization
Rating of cheerfulness (vs gloomy) on 7 point scale by independent interviewers
T1 (1930): Rating by two independent interviewers:
- clinical psychologist on the basis   of an interview, and  
- social worker on the basis of   observations during visits at home   and during tests of the child at   university
T2 (1970): Rating by one interviewer on the basis of an extensive interview

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-CP-g-fi-n-7-a DMt = 0 T1:  M=3.7  SD=1.1  Mt'=4.51
T2:  M=3.7  SD=1.2  Mt'=4.51
O-SLC-g-fi-v-7-b DMt = -0.7 T1:  M=4.0  SD=1.2  Mt'=5.01
T2:  M=3.6  Sd=1.3  Mt'=4.34