Correlational finding on Happiness and subject: One-time treatment

StudyEryilmaz (2015a): study TR Eskisehir 2015
TitlePositive Psychology in the Class: The Effectiveness of a Teaching Method Based on Subjective Well-Being and Engagement Increasing Activities.
SourceInternational Journal of Instruction, 2015, Vol 8, 17 - 32
URLhttp://www.e-iji.net/dosyalar/iji_2015_2_2.pdf
PublicStudents in a human relationships course and controls, Eskisehir, Turkey, 2015
SampleNon-probability chunk sample
Non-Response
Respondents N =72

Correlate
Author's labelSubjective well-being and engagement increasing activities
Page in Source 20,25
Our classificationOne-time treatment
Operationalization
1 TREATMENT: Extra assignments in course on human 
relations
a: write down five things that had made them happy 
sometime in the past, and the reasons.
b: bring their engagement worksheet and fill these in 
during the lessons. The teacher gave these forms a mark 
and returned them at the beginning of the next lesson.

0 CONTROL no such additional assignments

Teatment and control groups were matched for general 
engagement levels
Remarks
Pre- Post-test difference 10 weeks

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
A-BW-?-mq-v-5-aDMe=+ ns
Pre-post test CHANGE in median happiness
- treated group +10,0
- control group   0,0
A-BW-?-mq-v-5-aD%sr=+12%
Scale range -40 to +40

Change in median Affect Balance computed by WDH 
team from reported change in median Positive and 
Negative Affect in both groups.


Appendix 1: Happiness measures used
CodeFull Text
A-BW-?-mq-v-5-aSelfreport on 20 questions:

Lead item not reported.
A nervous
B distressed
C afraid
D jittery
E irritable
F upset
G scared
H excited
I ashamed
J guilty
K hostile
L active
M determined
N inspired
O enthusiastic
P alert
Q attentive
R proud
S strong
T interested

Rated:
1: slightly/not at all
.
.
5 extremely

Negative affect score (NAS): A to K
Positive affect score (PAS): L to T
Affect Balance Score (ABS): PAS - NAS

Name: Watson's PANAS version not reported


Appendix 2: Statistics used
SymbolExplanation
D%srDIFFERENCE in % of SCALE RANGE
Scale range = highest theoretical value minus lowest theoretical value
DMeDIFFERENCE IN MEDIAN
Type: descriptive statistic
Measurement level: happiness metric
correlate; dichotomous or nominal
Seldom used in happiness research.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl