Findings on happiness in Mitchell et al. (2009): study AU 2009

Publication
Author(s)Mitchell, J.; Klein, B.; Stanimirovic, R.
TitleA Randomised Controlled Trial of a Self-Guided Internet Intervention Promoting Well-Being.
SourceComputers in Human Behaviour, 2009, Vol. 25, 749 - 760
DOIDOI:10.1016/j.chb.2009.02.003
Investigation
PublicParticipants in a strength training and controls, Australia, 2009
Survey nameUnnamed study
SampleNon-probability self-selected
 Recruitment by advertising online by Monash University and Australian Sport's Commission. Participants self-registered online for the study. After completion of an initial questionnaire (T1) all eligible participants were randomly allocated to 1 of 3 groups.
Respondents N =160
Non Response69% at T2; 83% at T3
AssesmentInterview: computer assisted (CAPI)
 T1: demographic survey and 5 mental-health and well-being questionnaires; T2: 3 groups: 2 groups filled in questionnaires after the intervention sessions that, including homework, took 3 weeks, the placebo group filled in an abreviated version of the problem solving intervention without utilizing the interactive web features, and were not asked to apply the acquired information to a real life problem.T3: After 3 months respondents were sent an e-mail request to complete the 5 mental-health and well-being questionnaires for a final time. Only respondents who completed the whole online intervention were prompted to proceed to nthe post- and follow-up phases of the study.
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 feel this way during the last day 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's PANAS ('past few days' version)
ClassificationA-BW-c-mq-v-5-c
Author's labelPositive and negative affect
Page in publication752
RemarksUnweighed average and SD at T1 computed by WDH-team
Finding used in
nation ranks
Yes
 On original range -40 - 40On range 0 - 10
Mean18.60
Standard deviation6.22


Correlational findings

Author's labelSubject Code
Finding
Subject description
Psychological strength and problem solving trainingH04ab02Actual changes in happiness
Psychological strength and problem solving trainingH16ae01abCourse, class, training group, also classified as above ↑
Psychological strength and problem solving trainingH16ad02bEmpowerment, also classified as above ↑
Psychological strength and problem solving trainingH16ae02cMixed educational methods, also classified as above ↑
Psychological strength and problem solving trainingH16ae04bMultiple sorts, also classified as above ↑
Psychological strength and problem solving trainingH16ae03bMultiple treatment moments, also classified as above ↑
Psychological strength and problem solving trainingH16ae06dNo particular setting, recruitment on interest, also classified as above ↑
Psychological strength and problem solving trainingH16ae05dVoluntary, unsolicited, also classified as above ↑