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21.
Douglas G. Bonett Robert M. Price 《The British journal of mathematical and statistical psychology》2020,73(2):333-346
The currently available distribution-free confidence interval for a difference of medians in a within-subjects design requires an unrealistic assumption of identical distribution shapes. A confidence interval for a general linear function of medians is proposed for within-subjects designs that do not assume identical distribution shapes. The proposed method can be combined with a method for linear functions of independent medians to provide a confidence interval for a linear function of medians in mixed designs. Simulation results show that the proposed methods have good small-sample properties under a wide range of conditions. The proposed methods are illustrated with examples, and R functions that implement the new methods are provided. 相似文献
22.
AbstractExisting studies examining the development of temporal order memory show that although young children perform above chance on some tasks assessing temporal order memory, there are significant age-related differences across childhood. Yet, the trajectory of children’s ability to retrieve temporal order remains unclear as existing conclusions are drawn from cross-sectional studies. The present study utilized an accelerated longitudinal design in order to characterize the developmental trajectory of temporal order memory in a sample of 200 healthy 4- to 8-year-old children. Specifically, two tasks commonly used in the literature were tested longitudinally: a primacy judgment task and an ordering task. Results revealed that, even after controlling for differences in IQ, linearly increasing trajectories characterized age-related change in performance for both tasks; however, change appeared greater for the temporal ordering task. Further, performance on the two tasks was positively related, suggesting shared underlying mechanisms. These findings provide a more thorough understanding of temporal order memory in early to middle childhood by characterizing the developmental trajectories of two commonly used tasks and have important implications for our understanding of children’s developing memory more broadly. 相似文献
23.
Aino I. L. Saarinen Liisa Keltikangas-Järvinen Yukiko Honda Elli Oksman Olli Raitakari Laura Pulkki-Råback Mirka Hintsanen 《Scandinavian journal of psychology》2020,61(2):227-236
This study investigated whether breastfeeding predicts offspring’s dispositional compassion and empathy from early adulthood to middle age. The parents of the participants (N = 1,394) of the Young Finns study answered questions about breastfeeding in 1983, and the participants’ compassion and empathy were evaluated in 1997‒2012 (participants were aged 20‒50 years). Breastfeeding did not predict the course of compassion or empathy in adulthood at the age of 20‒50 years. The associations remained non-significant, when adjusted for age, gender, socioeconomic factors, and a wide range of characteristics of the family environment (including mother’s gestational age; premature birth; birth weight; number of other children at home; parental mental disorder; parental relationship status; parental postnatal smoking; parental postnatal alcohol use; parenting behavior; and child’s externalizing behavior). In conclusion, breastfeeding seems not to predict offspring’s compassion or empathy in adulthood. The findings may present a hopeful perspective for children growing up with non-breastfeeding caregivers. 相似文献
24.
Wiebren S. Jansen Loes Meeussen Jolanda Jetten Naomi Ellemers 《European journal of social psychology》2020,50(3):520-533
We aim to improve our understanding of how perceptions of social inclusion come about, unfold over time, and relate to individual and group outcomes. To do so, we draw on the MARGINI model, which offers a novel theoretical account of inclusion by delineating that inclusion is the result of a dynamic interplay between the individual's motivation to be included in the group (individual inclusion goal) and the group's willingness to include the individual (group inclusion goal). In a longitudinal field study (3 waves) following project teams (n = 304, divided into 46 teams) working on an eight-week consultancy project, we found that individual and group inclusion goals (a) mutually influenced each other over time and (b) in conjunction determined group members' individual outcomes as well as overall group performance. Together, this research sheds new light on the dynamics and effects of inclusion on individuals and groups. 相似文献
25.
Jessica Gonzalez-Voller A. Elizabeth Crunk Sejal M. Barden Shaywanna Harris Christopher T. Belser 《Journal of counseling and development : JCD》2020,98(3):308-318
The purpose of this study was to investigate longitudinal changes in master’s-level counselor trainees’ (N = 78) self-perceptions of their multicultural counseling competence over the course of their counseling program. Multilevel modeling results indicated an increase in scores across 3 time points. The authors discuss study limitations and how counselors and counselor educators can incorporate the study’s findings into their practice and into the education and supervision of counselor trainees. 相似文献
26.
密集追踪数据通常蕴含了心理过程的详细变化信息,反映了某些心理的复杂变化过程。时变效应模型用函数替代恒定的系数,可描述密集追踪数据中随时间推移心理的动态变化过程和时变效应,是分析复杂心理过程的有效方法。在介绍时变效应模型的原理后,通过模拟研究考察模型的表现,结果显示:(1)样本量增加可降低函数估计的误差;(2)惩罚样条法的节点数选择与函数的复杂度有关,函数越复杂,所需节点越多;(3)样本量与节点数对函数估计误差的交互效应不显著。进一步应探讨测量次数、数据分布形态、数据缺失等如何影响模型的表现。 相似文献
27.
对1087名大学生进行为期1年的追踪研究,考察人际关系和自我概念对生命意义的影响,以及自我概念在人际关系与生命意义间的中介效应。结果显示:(1)人际关系、自我概念和生命意义之间存在同时性和继时性正相关;(2)在时间点1和时间点2,人际关系、自我概念和生命意义均两两相互预测;(3)人际关系和自我影响均影响生命意义,以及在人际关系与生命意义的关系中,自我概念起部分中介作用。即人际关系通过自我概念进而影响生命意义体验。结果表明,可以通过改善人际关系和提高自我概念来提升个体的生命意义感。即带着一颗自我肯定之心,积极参与到社会互动中去。 相似文献
28.
A prior experimental evaluation of a community-based advocacy program for women with abusive partners demonstrated positive change in the lives of women even 2 years postintervention (C. M. Sullivan & D. I. Bybee, 1999). The current study explored the complex mediational process through which this change occurred, using longitudinal structural equation modeling and formal tests of mediation. As hypothesized, the advocacy intervention first resulted in women successfully obtaining desired community resources and increasing their social support, which enhanced their overall quality of life. This improvement in well-being appeared to serve as a protective factor from subsequent abuse, as women who received the intervention were significantly less likely to be abused at 2-year follow-up compared with women in the control condition. Increased quality of life completely mediated the impact of the advocacy intervention on later reabuse. Discussion places advocacy for women in the context of other efforts that are needed to build an effective community response to preventing intimate violence against women. 相似文献
29.
多层线性模型在纵向研究中的运用 总被引:13,自引:0,他引:13
纵向研究中传统统计技术主要是重复测量的方差分析和多元回归分析,但是这两种技术存在一些局限性,不能合理而充分地解释纵向研究资料。近年来出现的多层线性模型能够更有效地利用纵向数据。为促进多层线性模型在纵向研究中的运用,简要论述了传统统计技术的局限,介绍了多层线性模型的原理及其在纵向研究中的作用,以一组模拟数据为例对多层线性模型中各种参数在纵向研究中的含义进行了详细讨论,对于纵向研究中运用多层线性模型时须注意的问题提出了建议。 相似文献
30.
Héctor?R.?BirdEmail author Mark?Davies Glorisa?Canino Rolf?Loeber Maritza?Rubio-Stipec Sa?Shen 《Journal of child and family studies》2005,14(3):325-341
Antisocial behaviors were systematically classified along a hierarchy of seriousness or severity that also accounted for frequency of occurrence and heterogeneity of behaviors. Items from the CD and ODD schedules of the NIMH DISC-IV and from the Elliot Delinquency Scales were listed at specified frequencies. Nine mental health clinicians rated the level of seriousness of each alternative on a scale from 0 (trivial) to 5 (very serious). Reliability of the ratings was assessed. Over two thirds of the items showed excellent agreement among the raters, 8% showed poor agreement and 21% showed fair to moderate agreement. The overall reliability of a single rater’s score was 0.56 and the reliability of the average was 0.84. The classification meets high psychometric standards for reliability and has face validity. The final output provides a classification along a spectrum that takes into account severity, frequency of occurrence during the previous year, and presence of multiple behaviors. It is useful for classification purposes and for longitudinal tracking of antisocial behavior. 相似文献