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Correlational findings

Study Langer & Rodin (1976): study US 1973

Public:
Nursing home residents, Hamden, Connecticut, USA, 1973
Sample:
Respondents:
N = 45
Non Response:
51%
Assessment:
Behavioural observation
Observation and rating by staff

Correlate

Authors's Label
Boosting of responsibility and choice
Our Classification
Related specification variables
Operationalization
In nursing home two floors selected because of similarity in residents' characteristics. A different floor was randomly selected for each treatment. The nursing home administrator called a meeting in the lounge of each floor where she delivered two communications. 0 Comparison group: 2nd floor, the
  administrator stressed staff
  responsibility
1 Experimental group: 4th floor, the
  administrator emphasized respondents
  responsibility for themselves

Happiness was assessed 1 week prior to the communication (T1) and 3 weeks after (T2).

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-HL-g-sq-n-8-a DMt = + p < .05 Mean happiness (Mt) pre and post treatment.
                     T1      T2      CHANGE
-Experiment       :  6.31    6.65    + 0.34
-Comparison group :  5.99    5.84    - 0.15

The difference in change was significant at  05 level.