Study Ki (2009): study HK 2006
- Public
 - Health care professionals, Hong Kong, 2006
 - Survey name
 - Unnamed study
 - Sample
 - Respondents
 - N = 161
 - Non Response
 - Assessment
 - Questionnaire: Paper & Pencil Interview (PAPI)
 
Correlate
- Authors's Label
 - Gratitude intervention
 - Our Classification
 - 
            
 - 
                        
 - Distribution
 - 1: N = 90 (77 in analysis), 0: N = 90 (84 in analysis)
 - Operationalization
 - Participants were randomly assigned to:
1. GRATITUDE INTERVENTION.
Participants had to write down at least one grateful event twice a week for 4 consecutive weeks.
0: CONTROL (HASSLES)
Participants had to write down at least one hassle event twice a week for 4 consecutive weeks. 
Observed Relation with Happiness
Gratitude 1,17 1,60 +0,43
Control (hassles) 1,02 0,48 -0,54
-DIFFERENCE +0,97
Gratitude + 5,4%
Control (hassles) - 6,7%
-DIFFERENCE +12,1%
Happiness assessed at:
T0 = baseline
T1 = post intervention