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dc.contributor.authorBennett, Marc P
dc.contributor.authorKnight, Rachel
dc.contributor.authorDunning, Darren
dc.contributor.authorArcher-Boyd, Alan
dc.contributor.authorBlakemore, Sarah-Jayne
dc.contributor.authorDalmaijer, Edwin
dc.contributor.authorFord, Tamsin Jane
dc.contributor.authorWilliams, J Mark G
dc.contributor.authorClegg, Hannah
dc.contributor.authorKuyken, Willem
dc.contributor.authorSo, Tierney
dc.contributor.authorWright, Gemma
dc.contributor.authorLenaert, Bert
dc.contributor.authorVainre, Maris
dc.contributor.authorWatson, Peter
dc.contributor.authorMYRIAD Team
dc.contributor.authorDalgleish, Tim
dc.date.accessioned2022-04-01T14:00:14Z
dc.date.available2022-04-01T14:00:14Z
dc.date.issued2022-03-30
dc.date.submitted2021-08-27
dc.identifier.issn2044-6055
dc.identifier.otherbmjopen-2021-056864
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/335670
dc.description.abstractINTRODUCTION: Decentering describes the ability to voluntarily adopt an objective self-perspective from which to notice internal, typically distressing, stressors (eg, difficult thoughts, memories and feelings). The reinforcement of this skill may be an active ingredient through which different psychological interventions accrue reductions in anxiety and/or depression. However, it is unclear if decentering can be selectively trained at a young age and if this might reduce psychological distress. The aim of the current trial is to address this research gap. METHODS AND ANALYSIS: Adolescents, recruited from schools in the UK and Ireland (n=57 per group, age range=16-19 years), will be randomised to complete 5 weeks of decentering training, or an active control group that will take part in a combination of light physical exercise and cognitive training. The coprimary training outcomes include a self-reported decentering inventory (ie, the Experiences Questionnaire) and the momentary use of decentering in response to psychological stressors, using experience sampling. The secondary mental health outcomes will include self-reported inventories of depression and anxiety symptoms, as well as psychological well-being. Initial statistical analysis will use between-group analysis of covariance to estimate the effect of training condition on self-rated inventories, adjusted for baseline scores. Additionally, experience sampling data will be examined using hierarchical linear models. ETHICS AND DISSEMINATION: This study was approved by the Cambridge Psychology Research Ethics Committee, University of Cambridge (PRE.2019.109). Findings will be disseminated through typical academic routes including poster/paper presentations at (inter)national conferences, academic institutes and through publication in peer-reviewed journals. TRIAL REGISTRATION NUMBER: ISRCTN14329613.
dc.languageen
dc.publisherBMJ
dc.subjectMental health
dc.subject1506
dc.subject1712
dc.subjectchild & adolescent psychiatry
dc.subjectanxiety disorders
dc.subjectdepression & mood disorders
dc.subjectclinical trials
dc.subjectpreventive medicine
dc.titleProtocol for a randomised controlled trial investigating an intervention to boost decentering in response to distressing mental experiences during adolescence: the decentering in adolescence study (DECADES).
dc.typeArticle
dc.date.updated2022-04-01T14:00:14Z
prism.issueIdentifier3
prism.publicationNameBMJ Open
prism.volume12
dc.identifier.doi10.17863/CAM.83102
dcterms.dateAccepted2022-02-23
rioxxterms.versionofrecord10.1136/bmjopen-2021-056864
rioxxterms.versionVoR
rioxxterms.licenseref.urihttps://creativecommons.org/licenses/by/4.0/
rioxxterms.licenseref.startdate2022-03-30
dc.contributor.orcidBennett, Marc P [0000-0001-7217-4059]
dc.contributor.orcidKnight, Rachel [0000-0002-8315-2864]
dc.contributor.orcidDunning, Darren [0000-0002-7696-4143]
dc.contributor.orcidBlakemore, Sarah-Jayne [0000-0002-1690-2805]
dc.contributor.orcidDalmaijer, Edwin [0000-0003-3241-0760]
dc.contributor.orcidFord, Tamsin Jane [0000-0001-5295-4904]
dc.contributor.orcidWilliams, J Mark G [0000-0002-9884-2614]
dc.contributor.orcidKuyken, Willem [0000-0002-8596-5252]
dc.contributor.orcidVainre, Maris [0000-0001-9570-3726]
dc.contributor.orcidWatson, Peter [0000-0002-9436-0693]
dc.contributor.orcidDalgleish, Tim [0000-0002-7304-2231]
dc.identifier.eissn2044-6055
pubs.funder-project-idEconomic and Social Research Council (SUAI/067)
pubs.funder-project-idWellcome (104908/Z/14/z, Wellcome Trust Mental Health Priority Area Special)
pubs.funder-project-idUK Medical Research Council (SUAG/043 G101400)
cam.issuedOnline2022-03-30
rioxxterms.freetoread.startdate2022-03-30
rioxxterms.freetoread.startdate2022-03-30


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