Study Sheldon & Lyubomirsky (2006a): study US 2001

Public

Psychology students, USA, followed 12 weeks, 200?

Sample

Respondents

N = 669

Non Response

Assessment

Questionnaire: Paper & Pencil Interview (PAPI)

Correlate

Authors's Label

circumstantial change

Our Classification

Remarks

Assessed at T2 T1: at beginning of semester T2: 6 weeks later T3: 12 weeks later

Distribution

mean 2.92 (1.10)

Operationalization

Selfreport of circumstantial change over last 6 weeks on a 5-point-scale ranging from 1 (no positive change) to 5 (much positive change)

Observed Relation with Happiness