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Correlational findings

Study Martinez-Marti et al. (2018): study ES 2017

Public:
Aged 18-69, Spain, 2017
Survey name:
Unnamed study
Sample:
Respondents:
N = 150
Non Response:
23,5% drop-outs
Assessment:

Assessment not reported, assumed internet and email.

Correlate

Authors's label
Appreciation of Beauty Intervention
Our Classification
Operationalization
TREATMENT GROUP
The 9 item Appreciation of Beauty and ExcelLence Scale (ABES; Martínez-Martí et al., 2016) measures the tendency to appreciate beauty, moral excellence, and nonmoral excellence (3 items for each subscale). A sample item to measure AB is "I am a person who is very sensitive to beauty."  Rated from 1 (completely disagree) to 7 (completely agree).
Durung the 3-week program respondents had to do different exercises  to keep participants engaged and to reach different goals.: video's, beauty journal, beauty awareness, beauty portfolio, environments, forum, past experiences and exposure to beauty.
PLACEBO GROUP
The placebo condition focused on relationships with other people. Respondents had to choose 3 people (one person each week), with whom they had a different relationship in terms of closeness, from very close to not close at all. Then, participants answered the next questions every evening: (a) "What have I received from this person?", and (b) "What have I given to this person?"
This allowed the inclusion of daily exercises so it resembled the AB condition in this sense.
WAITING LIST GROUP
Waitlist participants were informed that, because many people were interested in the study, they had been randomly assigned to do it in a second turn, but were requested, nonetheless, to complete the posttest and follow-up measures.
T0 - pretest
T1 - directly after the 3-week experimeny
T2 - Follow-up 1 month after T1

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-AB-cm-mq-v-5-f DM = +/-                Happiness LEVEL    CHANGE
               T0     T1   T2     T1-T0  T2-T0
Treatment      1.55  2.19  1.68   +0.64  +0.13
Control
- Placebo      1.27  1.24  1.53   -0.13  +0.26
- Waiting list 1.25  1.36  1.45   +0.11  +0.20
A-AB-cm-mq-v-5-f D%sr = Treatment                          +1,3%  +0.3%
Control                          
- Placebo                          -0.3%  +0.5%
- Waiting list                     +0.2%  +0.4%

Change happiness in the treatment group was positive compared to the 2 control groups after the 3-weeks training (Posttest), but negative after the 1-month follow-up.