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The CogBIAS longitudinal study of adolescence: cohort profile and stability and change in measures across three waves
BMC Psychology ( IF 2.7 ) Pub Date : 2019-11-15 , DOI: 10.1186/s40359-019-0342-8
Charlotte Booth , Annabel Songco , Sam Parsons , Lauren Charlotte Heathcote , Elaine Fox

Adolescence is a time of considerable social, cognitive, and physiological development. It reflects a period of heightened risk for the onset of mental health problems, as well as heightened opportunity for flourishing and resilience. The CogBIAS Longitudinal Study (CogBIAS-L-S) aims to investigate psychological development during adolescence. We present the cohort profile of the sample (N = 504) across three waves of data collection, when participants were approximately 13, 14.5, and 16 years of age. Further, we present descriptive statistics for all of the psychological variables assessed including (a) the self-report mood measures, (b) the other self-report measures, and (c) the behavioural measures. Differential and normative stability were investigated for each variable, in order to assess (i) measurement reliability (internal consistency), (ii) the stability of individual differences (intra-class correlations), and (iii) whether any adolescent-typical developmental changes occurred (multilevel growth curve models). Measurement reliability was good for the self-report measures (> .70), but lower for the behavioural measures (between .00 and .78). Differential stability was substantial, as individual differences were largely maintained across waves. Although, stability was lower for the behavioural measures. Some adolescent-typical normative changes were observed, reflected by (i) worsening mood, (ii) increasing impulsivity, and (iii) improvements in executive functions. The stability of individual differences was substantial across most variables, supporting classical test theory. Some normative changes were observed that reflected adolescent-typical development. Although, normative changes were relatively small compared to the stability of individual differences. The development of stable psychological characteristics during this period highlights a potential intervention window in early adolescence.

中文翻译:

CogBIAS青春期纵向研究:队列概况和稳定性以及三波测量的变化

青春期是相当大的社会,认知和生理发展时期。它反映了一段时间内出现精神健康问题的风险增加,以及繁盛和适应力增强的机会。CogBIAS纵向研究(CogBIAS-LS)旨在调查青春期的心理发展。当参与者年龄分别为13岁,14.5岁和16岁时,我们将通过三个数据收集浪潮展示样本的队列分布(N = 504)。此外,我们为所有评估的心理变量提供描述性统计数据,包括(a)自我报告情绪指标,(b)其他自我报告指标以及(c)行为指标。为评估每个变量的微分和规范稳定性,以评估(i)测量的可靠性(内部一致性),(ii)个体差异的稳定性(类内相关性),以及(iii)是否发生了青少年-典型的发育变化(多级增长曲线模型)。自我报告测度的测量可靠性良好(> .70),而行为测度的测量可靠性较低(0.00-0.78)。差异的稳定性非常重要,因为个体差异在很大程度上保持了波动。虽然,行为措施的稳定性较低。观察到一些青少年典型的规范性变化,反映为:(i)情绪恶化,(ii)冲动性增强和(iii)执行功能的改善。在大多数变量中,个体差异的稳定性很强,支持经典测试理论。观察到一些规范变化反映了青少年的典型发展。虽然,与个体差异的稳定性相比,规范性变化相对较小。在此期间,稳定的心理特征的发展突显了青春期早期的潜在干预窗口。
更新日期:2019-11-15
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