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Correlational findings

Study Sheldon & Lyubomirsky (2006): study US 2003

Public:
Psychology Students, USA, 2003
Survey name:
Unnamed study
Sample:
Respondents:
N = 67
Non Response:
Assessment:
Questionnaire: web

Correlate

Authors's label
Gratitude and Best Possible Self intervention
Our Classification
Remarks
Exercises were performed during Session I and continued at home until session 2 at two weeks and again until Session 3 at four weeks
Distribution
1a: N =  21, 1b: N =  23, 0:  N =    23
Operationalization
Participants were randomly assigned to:
1a: GRATITUDE INTERVENTION. Participants were instructed to write about the many things in their life, both large and small, that they have to be grafeful about and outline these reasons in as much detail they could.
1b: BEST POSSIBLE SELF INTERVENTION
Participants were instructed to write about their ideal life in the future, as much in detail as they could. "Thinking about your best possible self means that you imagine yourself in the future, after everything has gone as well as it possibly could. You have worked hard and succeeded at accomplishing all of your life goals. Think of this as the realization of your life dreams, and of your own best potentials. In all of these cases you are identifying the best possible way that things might cum ow in your life, in order w help guide your decisions now.
0:  CONTROL GROUP
Participants were instructed to write about their typical day and kinds of things that happen during it as much in detail as they could.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-BW-?-mq-v-5-b DM = +/-               T0    T1    T2     T1-T0    T2-T0
Gratitude     1,20  1,45  1,16   +0,25    -0,04
BPS           2,15  2,61  1,64   +0,46    -0,51
Control       1,83  1,86  1,64   +0,03    -0,19

GRATITUDE vs CONTROL             +0,22    +0,15
BPS vs CONTROL                   +0,43    -0,32
A-BW-?-mq-v-5-b D%sr = +/-               T0    T1    T2     T1-T0    T2-T0
Gratitude                        +3,1%    -0,5%
BPS                              +5,8%    -6,4%
Control                          +0,4%    -2,4%

GRATITUDE vs CONTROL             +2,7%    +1,9%
BPS vs CONTROL                   +5,4%    -4,0%

Happiness assessed at
T0 = pre-intervention
T1 = post 2 week intervention
T2 = 4 weeks follow-up

Negative affect decreased significantly over time in all three conditions. No significant changes over time in positive affect. Significance of change in affect balance cannot be determined.