Findings on happiness in Suldo et al. (2014): study US Florida 2008

Author(s)Suldo, S.M.; Mercer, S.H.; Savage, J.A.
TitleIncreasing Middle School Studentsí Life Satisfaction: Efficacy of a Positive Psychology Group Intervention.
SourceJournal of Happiness Studies, 2014, Vol. 15, 19 - 42
DOIDoi: 10.1007/s10902-013-9414-2
Public10-12 aged, participants in wellness program, USA, followed 6 months, 2008
 School not reported. Probably Florida.
Survey nameUnnamed study
SampleNon-probability purposive sample
 From a group of N=333 sixth grade students an intervention group of 28 and a control group of 27 was formed. The control group was placd on a waiting list
Respondents N =55
 Both groups took part in tests at 3 time points: T1 the beginning, T2 after 10 weeks (post-intervention) and T3 at 6 month follow up.
Non ResponseNot available
AssesmentContent analysis
General remarksYear of assessment not reported, but assumed.
Happiness measure(s) used
Full textSelfreport on 20 questions. This scale consists of a number of words that describe different feelings and emotions. Read each item and mark the appropriate answer in the space next to that word. Indicate to what extend you felt this way during the past two week?: A nervous B distressed C afraid D jittery E irritable F upset G scared H exiled I ashamed J guilty K hostile L active M determined N inspired O enthusiastic P alert Q attentive R proud S strong T interested Answer options: 1 very slightly or not at all 2 a little 3 moderately 4 quite a bit 5 extremely Negative affect score (NAS): A to K Positive affect score (PAS): L to T Affect Balance Score (ABS): PAS - NAS Name: Watson et al's PANAS ('past 2 weeks' version)
Author's labelPositive and Negative Affect Scale for C
Page in publication26
Finding used in
nation ranks

Correlational findings

Author's label Our subject description
Wellness programshow  Actual changes in happiness
Wellness programshow  Course, class, training group, also classified as above ↑
Wellness programshow  Mandatory, also classified as above ↑
Wellness programshow  Mono sort, also classified as above ↑
Wellness programshow  Multiple treatment moments, also classified as above ↑
Wellness programshow  Positive thinking training, also classified as above ↑
Wellness programshow  School, also classified as above ↑