Protocol 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).
Protocol 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).
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一项随机对照试验的方案，该试验调查了一种干预措施，以促进对青春期精神痛苦经历的偏心：青春期偏心研究（DECADES）。
DOI：
10.1136/bmjopen-2021-056864
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发表时间：
2022-03-30
期刊：
影响因子：
2.9
通讯作者：
Dalgleish T
中科院分区：
文献类型：
--
作者：
Bennett MP;Knight RC;Dunning D;Archer-Boyd A;Blakemore SJ;Dalmaijer E;Ford T;Williams JMG;Clegg H;Kuyken W;So T;Wright G;Lenaert B;Vainre M;Watson P;MYRIAD Team;Dalgleish T
去中心化描述了一种自愿采取客观自我视角的能力，从这种视角注意到内部的，通常是痛苦的，压力源（例如，困难的想法，记忆和感受）。这种技能的强化可能是一种活性成分，通过这种活性成分，不同的心理干预可以减少焦虑和/或抑郁。然而，目前尚不清楚是否可以在年轻时选择性地训练偏心，以及这是否可以减少心理困扰。目前试验的目的是解决这一研究空白。从英国和爱尔兰的学校招募的青少年（每组n=57，年龄范围=16-19岁）将被随机分配至完成5周的偏心训练，或参加轻度体育锻炼和认知训练组合的主动对照组。共同的主要培训成果包括一个自我报告的偏心库存（即，经验问卷）和暂时使用偏心的心理压力，使用经验抽样。次要的心理健康结果将包括抑郁和焦虑症状的自我报告清单，以及心理健康。初始统计分析将使用组间协方差分析来估计训练条件对自评量表的影响，并根据基线评分进行调整。此外，将使用分层线性模型检查经验采样数据。本研究获得了剑桥大学剑桥心理学研究伦理委员会的批准（PRE.2019.109）。研究结果将通过典型的学术途径传播，包括在（国际）国家会议、学术机构上展示海报/论文，并通过在同行评审期刊上发表。ISRCTN14329613。
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. 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. 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. ISRCTN14329613.
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