Findings on happiness in Boerefijn & Bergsma (2011): study NL 2009

Publication
Author(s)Boerefijn, J.; Bergsma, A.
TitleGeluksles verbetert Schoolprestaties. (Happiness Trainig adds to Schoolperformans).
SourceTijdschrift voor Orthopedagogiek, 2011, Vol. 50, 110 - 121
Investigation
PublicStudents of a happiness course and controls, Netherlands 2009
 Secundairy school pupils who followed 6 lessons on happiness
Survey nameUnnamed study
SampleNon-probability chunk sample
 3 schools of different levels of secundary education participated (LBO,HAVO, VWO) with together 15 classes in grade 2. Classes were randomly assigned to treatment or control
Respondents N =631
 Experimental: 15 classes, 381 pupils Control: 10 classes, 250 pupils
Non ResponseNot available
AssesmentQuestionnaire: paper
Happiness measure(s) used
Full textSelfreport on single question: How happy have you felt in the past month? 1 low happiness 2 3 4 5 6 7 8 9 10 high happiness Preceded by the question'How happy are you today?'
ClassificationM-FH-cm-sq-n-10-b
Author's labelhappiness
Page in publicationtable 3.1
RemarksT1 distribution computed by WDH team
Finding used in
nation ranks
Yes
 On original range 1 - 10On range 0 - 10
Mean7.27
Standard deviation1.83


Correlational findings

Author's labelSubject Code
Finding
Subject description
Happiness lessonsH04ab02Actual changes in happiness
Happiness lessonsH16ae02Course, class, also classified as above ↑
Happiness lessonsH16ag02cdMandatory, also classified as above ↑
Happiness lessonsH16af03School, also classified as above ↑
Happiness lessonsH16ad03jTrainings for multiple mental skills, also classified as above ↑