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Correlational findings

Study Renner et al. (2014): study NL 2011

Public:
Student participants in a psychological experiment, Netherlands, 2011
Survey name:
Unnamed study
Sample:
Respondents:
N = 40
Non Response:
Assessment:
Questionnaire: web

Correlate

Authors's Label
Best possible self exercise
Our Classification
Remarks
Preceding the best possible self exercise / typical day exercise participants underwent negative mood induction consisting of mood suggestive music in combination with autobiographical recall. All participants were asked to recall a sad event from their lives while listening to the music via a headphone for 10 minutes.
Distribution
1: N = 20, 0: N = 20
Operationalization
Participants were randomly assigned to:
1. BEST POSSIBLE SELF EXERCISE.
After negative mood induction (see remarks) participants were instructed to imagine their best possible life in the future and think about it for 1 minute. Next they were asked to write about their best possible self for 15 minutes and keep writing and if necessary repeat what they already wrote. Finally, they were asked to engage in menatl imagery about their best possible self in the future for 5 minutes.
0: CONTROL.
After negative mood induction (see remarks) participants were instructed to imagine a particular day and think about it for 1 minute. Next they were instructed to write about a typical day for 15 minutes and keep writing, if necessary repeat what they already wrote. Finally, they were asked to engage in menatl imagery about a typical day for 5 minutes.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-BW-m-mq-ol-101-a DM = +                          T1       T2      T2-T1
Best Possible Self       24,7     50,9    +26,2
Control                  41,2     50,1    + 8,9
- DIFFERENCE                              +17,3
A-BW-m-mq-ol-101-a D%sr = +                                           T2-T1
Best Possible Self                       +13,1%
Control                                  + 4,5%
- DIFFERENCE                             + 8,6%

Happiness was measured at
T0 Baseline (before negative mood induction)
T1 After negative mood induction
T2 After intervention

Change in positive affect between groups is statistically significant, but change in negative affect is not. For change in affect balance it is not clear.