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Correlational findings

Study Froh et al. (2009a): study US 2006

Public:
8-19 aged participants in a gratitude intervention and controls, USA, 200?
Survey name:
Unnamed study
Sample:
Respondents:
N = 89
Non Response:
Assessment:
Questionnaire: paper

Correlate

Authors's label
Gratitude intervention
Our Classification
Operationalization
Students were randomly assigned to

1 GRATITUDE INTERVENTION. Students were directed to express their gratitude to a person that has been especially kind to them. They had to write a gratitude letter and deliver the letter personally in a face tot face meeting.

O: CONTROL. Students had to write down some of the things they did yesterday and what they felt like doing these things.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-AB-cm-mq-v-5-e DM = +/- ns                     CHANGE happiness
                    T1-T2    T1-T3   T1-T4
- Gratitude group   + 1.8      0.0   - 0.8 (ns)
- Control group     + 2.7    - 0.9   - 0.6 (ns)
Difference          - 0.9    + 0.9   - 0.2 (ns)
A-AB-cm-mq-v-5-e D%sr = =/- - Gratitude group   +1,5%     0,0%    -0.7%
- Control group     +2,3%   - 0.8%    -0.5%
Difference          -0.8%   + .08%    -0.2%

Happiness assessed at:
T1: pre-test
T2: post-tst
T3: 3 week follow up
T4: 2 month follow-up

Affect Balance computed by WDH team substracting average negative affect from average positive affect