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Correlational findings

Study Lichter et al. (1980): study NZ 1976

Public
Psychology students, followed 2 weeks, University of Otago New Zealand, 1976
Survey name
Unnamed study
Sample
Respondents
N = 48
Non Response
Assessment
Questionnaire: Paper & Pencil Interview (PAPI)
Filled out alone

Correlate

Authors's Label
Happiness induction
Our Classification
Operationalization
1: Experimental group (N=25). Instructed
   to read every morning during the
   2-weeks testing period between T1
   and T2 a list of 18 positive  statements.
O: Control group (N=23). No reading

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-BK-u-mq-v-5-b DM = + p < .001            Happiness LEVEL      CHANGE
              T1       T2        T2-T1
Treatment     0,4      1,5       +1,1      
Controls      1,0      1,1       +0,1
- difference -0,7     +0,05      +1,0
A-BK-u-mq-v-5-b D%sr = + p < .001 Treatment                        +13,7%      
Controls                         + 1,2%
- difference                     +12,5%
A-BK-u-mq-v-5-b = +.50 p < .01 CHange in happiness by induction (difference in change between experimentals and controls)
    
Happiness assessed at:
T1: start of a 2-week induction period
T2: end of a 2-week induction period