Findings on happiness in Heintzelman et al. (2019): study ZZ Anglo-America 2016

Author(s)Heintzelman, S.J.; Kushlev, K.; Lutes, L.; Wirtz, D.
TitleENHANCE: Evidence for the Efficacy of a Comprehensive Intervention Program to Promote Subjective Well-Being
SourceJournal of Experimental Psychology Applied
DOIDOI: 10.1037/xap0000254
PublicAdults, Canada and USA, 2016
Survey nameUnnamed study
SampleNon-probability self-selected
 Recruitment via radio interview, social media, community flyers, newspaper ads, employee presentations, e-mails to university staff listservs, and word of mouth Reward for completion posttest assessment ($10) and follow-up assessment ($15)
Respondents N =133
 Post treatment n = 133 (48 in person; 85 online) Follow-up n = 127 (43 in person, 84 online)
Non ResponseNot available
 Randomized n = 155 (55 in person, 100 online) Dropout during treatment = 14% Additional dropout during follow-up = 4%
AssesmentMultiple methods
 Online or in person
Happiness measure(s) used
Full textSelfreport on 12 questions Please think of what you have been doing and experiencing during the past 4 weeks. Then report how much you experienced the following feelings; A positive B negative C good D bad E pleasant F unpleasant G happy H sad I afraid J joyful K angry L contented Rated: 1 very rarely or never 2 rarely 3 sometimes 4 often 5 very often or always Computation; (A+C++E+G+J+L) -(B+D+F+H+I+K) name: Diener's Scale of Positive and negative Experience SPANE-B
Author's labelPositive and Negative Experience
Page in publication10
RemarksAffect Balance computed by WDH team subtracting NA from PA
Finding used in
nation ranks
 On original range -24 - 24On range 0 - 10
Standard deviation

Correlational findings

Author's label Our subject description
ENHANCE Happiness Interventionshow  Guided intervention
ENHANCE Happiness Interventionshow  Self-awareness training, also classified as above ↑
ENHANCE Happiness Interventionshow  Self-help, also classified as above ↑