2. POSITIVE PSYCHOLOGY AND GRATITUDE INTERVENTIONS: A
RANDOMIZED CLINICAL TRIAL
Objective:
The purpose of this study was to assess the effect of a gratitude intervention on a
community sample of adults in relation to aspects involving well-being and mental
health.
Author:
Lúzie Fofonka Cunha, Lucia Campos Pellanda and Caroline Tozzi Reppold
Year of publication: 2019
Place: Psychological Assessment Laboratory, Psychology Department, Federal
University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, Brazil
3. Sample design: simple randomized sample
Sample size:
clinical trial was conducted with 1,337 participants, composed of an
intervention group (Gratitude group, n = 446), and two control groups
(Hassles group, n = 444 and Neutral Events group, n = 447).
4. Instruments:
Survey Monkey questionnaire tool.
1. Positive and Negative Affect Schedule
(PANAS)(Zanon and Hutz, 2014)
2. Center for Epidemiological Studies Depression
Scale(CES-D) (Hauck Filho and Teixeira, 2011)
3. Subjective Happiness Scale (SHS) (Damásio et
al., 2014)
4. Satisfaction With Life Scale (SWLS) (Hutz et
al., 2014)
Statistical analysis:
One factor analysis of variance
(ANOVA)- continuous variables
Pearson’s chi-square test-categorical
variables
Shapiro-Wilk Normality Test- normal
distribution
Result:
The gratitude intervention managed to increase
positive affect, subjective happiness and life
satisfaction, and reduce negative affect and
depression symptoms.
