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Methods for Constructing Normalised Reference Scores: An Application for Assessing Child Development at 24 Months of Age. 构建标准化参考分数的方法:评估24个月大儿童发育的应用。
IF 3.8 3区 心理学 Q1 Mathematics Pub Date : 2023-09-01 Epub Date: 2022-12-06 DOI: 10.1080/00273171.2022.2142189
Vasiliki Bountziouka, Samantha Johnson, Bradley N Manktelow

The use of the lambda-mu-sigma (LMS) method for estimating centiles and producing reference ranges has received much interest in clinical practice, especially for assessing growth in childhood. However, this method may not be directly applicable where measures are based on a score calculated from question response categories that is bounded within finite intervals, for example, in psychometrics. In such cases, the main assumption of normality of the conditional distribution of the transformed response measurement is violated due to the presence of ceiling (and floor) effects, leading to biased fitted centiles when derived using the common LMS method. This paper describes the methodology for constructing reference intervals when the response variable is bounded and explores different distribution families for the centile estimation, using a score derived from a parent-completed assessment of cognitive and language development in 24 month-old children. Results indicated that the z-scores, and thus the extracted centiles, improved when kurtosis was also modeled and that the ceiling effect was addressed with the use of the inflated binomial distribution. Therefore, the selection of the appropriate distribution when constructing centile curves is crucial.

λ-μ-西格玛(LMS)方法用于估计百分位数和产生参考范围在临床实践中引起了很大的兴趣,尤其是在评估儿童生长方面。然而,这种方法可能不直接适用于基于从有限区间内的问题-回答类别计算的分数的测量,例如,在心理测量学中。在这种情况下,由于存在天花板(和地板)效应,违反了转换响应测量的条件分布正态性的主要假设,导致在使用常见LMS方法推导时出现偏差拟合的百分位数。本文描述了当反应变量有界时构建参考区间的方法,并使用父母在24岁时完成的认知和语言发展评估得出的分数,探索了用于百分位数估计的不同分布族 一个月大的孩子。结果表明,当峰度也被建模时,z分数以及由此提取的百分位数都得到了改善,并且通过使用膨胀的二项式分布来解决天花板效应。因此,在构造百分位数曲线时,选择合适的分布是至关重要的。
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引用次数: 0
Statistical Inference in Redundancy Analysis: A Direct Covariance Structure Modeling Approach. 冗余分析中的统计推断:一种直接协方差结构建模方法。
IF 3.8 3区 心理学 Q1 Mathematics Pub Date : 2023-09-01 Epub Date: 2022-12-10 DOI: 10.1080/00273171.2022.2141675
Fei Gu, Yiu-Fai Yung, Mike W-L Cheung, Baek-Kyoo Brian Joo, Kim Nimon

Redundancy analysis (RA) is a multivariate method that maximizes the mean variance of a set of criterion variables explained by a small number of redundancy variates (i.e., linear combinations of a set of predictor variables). However, two challenges exist in RA. First, inferential information for the RA estimates might not be readily available. Second, the existing methods addressing the dimensionality problem in RA are limited for various reasons. To aid the applications of RA, we propose a direct covariance structure modeling approach to RA. The proposed approach (1) provides inferential information for the RA estimates, and (2) allows the researcher to use a simple yet practical criterion to address the dimensionality problem in RA. We illustrate our approach with an artificial example, validate some standard error estimates by simulations, and demonstrate our new criterion in a real example. Finally, we conclude with future research topics.

冗余分析(RA)是一种多变量方法,它最大化由少量冗余变量(即一组预测变量的线性组合)解释的一组标准变量的平均方差。然而,RA存在两个挑战。首先,RA估计的推断信息可能不容易获得。其次,由于各种原因,现有的解决RA中维度问题的方法是有限的。为了帮助RA的应用,我们提出了一种直接的协方差结构建模方法。所提出的方法(1)为RA估计提供了推断信息,(2)允许研究人员使用一个简单而实用的标准来解决RA中的维度问题。我们用一个人工例子说明了我们的方法,通过模拟验证了一些标准误差估计,并在一个实际例子中证明了我们的新标准。最后,我们总结了未来的研究课题。
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引用次数: 0
A Causal Approach to Functional Mediation Analysis with Application to a Smoking Cessation Intervention. 功能中介分析的因果方法及其在戒烟干预中的应用。
IF 5.3 3区 心理学 Q1 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-09-01 Epub Date: 2023-01-09 DOI: 10.1080/00273171.2022.2149449
Donna L Coffman, John J Dziak, Kaylee Litson, Yajnaseni Chakraborti, Megan E Piper, Runze Li

The increase in the use of mobile and wearable devices now allows dense assessment of mediating processes over time. For example, a pharmacological intervention may have an effect on smoking cessation via reductions in momentary withdrawal symptoms. We define and identify the causal direct and indirect effects in terms of potential outcomes on the mean difference and odds ratio scales, and present a method for estimating and testing the indirect effect of a randomized treatment on a distal binary variable as mediated by the nonparametric trajectory of an intensively measured longitudinal variable (e.g., from ecological momentary assessment). Coverage of a bootstrap test for the indirect effect is demonstrated via simulation. An empirical example is presented based on estimating later smoking abstinence from patterns of craving during smoking cessation treatment. We provide an R package, funmediation, available on CRAN at https://cran.r-project.org/web/packages/funmediation/index.html, to conveniently apply this technique. We conclude by discussing possible extensions to multiple mediators and directions for future research.

随着移动和可穿戴设备使用的增加,现在可以对一段时间内的中介过程进行密集评估。例如,药物干预可能通过减少短暂的戒断症状对戒烟产生影响。我们根据平均差和比值比量表上的潜在结果来定义和确定因果直接和间接影响,并提出了一种用于估计和测试由密集测量的纵向变量的非参数轨迹(例如来自生态瞬时评估)介导的随机治疗对远端二元变量的间接影响的方法。通过模拟演示了间接效应的引导测试的覆盖范围。给出了一个经验例子,根据戒烟治疗期间的渴望模式来估计以后的戒烟情况。我们在CRAN上提供了一个名为funmediation的R包,网址为https://cran.r-project.org/web/packages/funmediation/index.html,以方便地应用此技术。最后,我们讨论了多种介质的可能扩展以及未来研究的方向。
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引用次数: 0
Fitting Bayesian Stochastic Differential Equation Models with Mixed Effects through a Filtering Approach. 用滤波方法拟合具有混合效应的贝叶斯随机微分方程模型。
IF 5.3 3区 心理学 Q1 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-09-01 Epub Date: 2023-02-27 DOI: 10.1080/00273171.2023.2171354
Meng Chen, Sy-Miin Chow, Zita Oravecz, Emilio Ferrer

Recent advances in technology contribute to a fast-growing number of studies utilizing intensive longitudinal data, and call for more flexible methods to address the demands that come with them. One issue that arises from collecting longitudinal data from multiple units in time is nested data, where the variability observed in such data is a mixture of within-unit changes and between-unit differences. This article aims to provide a model-fitting approach that simultaneously models the within-unit changes with differential equation models and accounts for between-unit differences with mixed effects. This approach combines a variant of the Kalman filter, the continuous-discrete extended Kalman filter (CDEKF), and the Markov chain Monte Carlo method often employed in the Bayesian framework through the platform Stan. At the same time, it utilizes Stan's functionality of numerical solvers for the implementation of CDEKF. For an empirical illustration, we applied this method in the context of differential equation models to an empirical dataset to explore the physiological dynamics and co-regulation between couples.

最近的技术进步促进了利用密集纵向数据的研究数量的快速增长,并呼吁采用更灵活的方法来满足随之而来的需求。从多个时间单位收集纵向数据时出现的一个问题是嵌套数据,在嵌套数据中观察到的可变性是单位内变化和单位间差异的混合。本文旨在提供一种模型拟合方法,该方法同时用微分方程模型对单位内变化进行建模,并考虑具有混合效应的单位间差异。该方法结合了卡尔曼滤波器的变体、连续离散扩展卡尔曼滤波器(CDEKF)和马尔可夫链蒙特卡罗方法,这些方法通常通过Stan平台在贝叶斯框架中使用。同时,它利用Stan的数值求解器功能来实现CDEKF。为了进行实证说明,我们将这种方法在微分方程模型的背景下应用于实证数据集,以探索夫妇之间的生理动力学和共同调节。
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引用次数: 0
An Investigation of Factored Regression Missing Data Methods for Multilevel Models with Cross-Level Interactions. 具有跨水平交互作用的多水平模型的因子回归缺失数据方法研究。
IF 3.8 3区 心理学 Q1 Mathematics Pub Date : 2023-09-01 Epub Date: 2023-01-05 DOI: 10.1080/00273171.2022.2147049
Brian T Keller, Craig K Enders

A growing body of literature has focused on missing data methods that factorize the joint distribution into a part representing the analysis model of interest and a part representing the distributions of the incomplete predictors. Relatively little is known about the utility of this method for multilevel models with interactive effects. This study presents a series of Monte Carlo computer simulations that investigates Bayesian and multiple imputation strategies based on factored regressions. When the model's distributional assumptions are satisfied, these methods generally produce nearly unbiased estimates and good coverage, with few exceptions. Severe misspecifications that arise from substantially non-normal distributions can introduce biased estimates and poor coverage. Follow-up simulations suggest that a Yeo-Johnson transformation can mitigate these biases. A real data example illustrates the methodology, and the paper suggests several avenues for future research.

越来越多的文献关注于缺失数据方法,这些方法将联合分布分解为表示感兴趣的分析模型的部分和表示不完全预测因子分布的部分。对于这种方法在具有交互效果的多级模型中的实用性,人们知之甚少。本研究提出了一系列蒙特卡罗计算机模拟,研究了基于因子回归的贝叶斯和多重插补策略。当模型的分布假设得到满足时,这些方法通常会产生几乎无偏的估计和良好的覆盖率,只有少数例外。由实质上非正态分布引起的严重错误规范可能会引入有偏差的估计和较差的覆盖率。后续模拟表明,Yeo-Johnson变换可以减轻这些偏差。一个真实的数据例子说明了该方法,并为未来的研究提出了几条途径。
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引用次数: 1
A Realistic Evaluation of Methods for Handling Missing Data When There is a Mixture of MCAR, MAR, and MNAR Mechanisms in the Same Dataset. 当同一数据集中存在MCAR、MAR和MNAR机制的混合时,处理缺失数据的方法的真实评估。
IF 3.8 3区 心理学 Q1 Mathematics Pub Date : 2023-09-01 Epub Date: 2023-01-04 DOI: 10.1080/00273171.2022.2158776
Brenna Gomer, Ke-Hai Yuan

The impact of missing data on statistical inference varies depending on several factors such as the proportion of missingness, missing-data mechanism, and method employed to handle missing values. While these topics have been extensively studied, most recommendations have been made assuming that all missing values are from the same missing-data mechanism. In reality, it is very likely that a mixture of missing-data mechanisms is responsible for missing values in a dataset and even within the same pattern of missingness. Although a mixture of missing-data mechanisms and causes within a dataset is a likely scenario, the performance of popular missing-data methods under these circumstances is unknown. This study provides a realistic evaluation of methods for handling missing data in this setting using Monte Carlo simulation in the context of regression. This study also seeks to identify acceptable proportions of missing values that violate the missing-data mechanism assumed by the method used to handle missing values. Results indicate that multiple imputation (MI) performs better than other principled or ad-hoc methods. Different missing-data methods are also compared via the analysis of a real dataset in which mixtures of missingness mechanisms are created. Recommendations are provided for the use of different methods in practice.

缺失数据对统计推断的影响取决于几个因素,如缺失的比例、缺失数据机制和处理缺失值的方法。虽然对这些主题进行了广泛的研究,但大多数建议都是假设所有缺失值都来自同一缺失数据机制。事实上,很可能是缺失数据机制的混合导致了数据集中的缺失值,甚至是在相同的缺失模式中。尽管数据集中可能存在数据丢失机制和原因的混合情况,但在这些情况下,流行的数据丢失方法的性能是未知的。本研究使用回归背景下的蒙特卡罗模拟,对在这种情况下处理缺失数据的方法进行了现实的评估。本研究还试图确定可接受的缺失值比例,这些缺失值违反了用于处理缺失值的方法所假设的缺失数据机制。结果表明,多重插补(MI)比其他原则性或特殊方法表现更好。通过对真实数据集的分析,还比较了不同的缺失数据方法,其中创建了缺失机制的混合物。提供了在实践中使用不同方法的建议。
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引用次数: 2
FINDOUT: Using Either SPSS Commands or Graphical User Interface to Identify Influential Cases in Structural Equation Modeling in AMOS. FINDOUT:使用SPSS命令或图形用户界面来识别AMOS中结构方程建模的影响案例。
IF 3.8 3区 心理学 Q1 Mathematics Pub Date : 2023-09-01 Epub Date: 2023-01-05 DOI: 10.1080/00273171.2022.2148089
Shu Fai Cheung, Ivan Jacob Agaloos Pesigan

The results in a structural equation modeling (SEM) analysis can be influenced by just a few observations, called influential cases. Tools have been developed for users of R to identify them. However, similar tools are not available for AMOS, which is also a popular SEM software package. We introduce the FINDOUT toolset, a group of SPSS extension commands, and an AMOS plugin, to identify influential cases and examine how these cases influence the results. The SPSS commands can be used either as syntax commands or as custom dialogs from pull-down menus, and the AMOS plugin can be run from AMOS pull-down menu. We believe these tools can help researchers to examine the robustness of their findings to influential cases.

结构方程建模(SEM)分析的结果可能只受到少数观察结果的影响,这些观察结果被称为有影响的情况。已经为R的用户开发了识别他们的工具。然而,AMOS并没有类似的工具,它也是一个流行的SEM软件包。我们介绍了FINDOUT工具集、一组SPSS扩展命令和一个AMOS插件,以识别有影响的案例并检查这些案例如何影响结果。SPSS命令既可以用作语法命令,也可以用作下拉菜单中的自定义对话框,AMOS插件可以从AMOS下拉菜单中运行。我们相信这些工具可以帮助研究人员检验他们的发现对有影响力的案例的稳健性。
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引用次数: 0
2022 List of Reviewers. 2022年评审人名单。
IF 3.8 3区 心理学 Q1 Mathematics Pub Date : 2023-09-01 Epub Date: 2023-09-11 DOI: 10.1080/00273171.2023.2256547
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引用次数: 0
Disentangling Different Aspects of Change in Tests with the D-Diffusion Model. 用D扩散模型解开测试中变化的不同方面。
IF 3.8 3区 心理学 Q1 Mathematics Pub Date : 2023-09-01 Epub Date: 2023-02-27 DOI: 10.1080/00273171.2023.2171356
Jochen Ranger, Anett Wolgast, Sören Much, Augustin Mutak, Robert Krause, Steffi Pohl

Diffusion-based item response theory models are measurement models that link parameters of the diffusion model (drift rate, boundary separation) to latent traits of test takers. Similar to standard latent trait models, they assume the invariance of the test takers' latent traits during a test. Previous research, however, suggests that traits change as test takers learn or decrease their effort. In this paper, we combine the diffusion-based item response theory model with a latent growth curve model. In the model, the latent traits of each test taker are allowed to change during the test until a stable level is reached. As different change processes are assumed for different traits, different aspects of change can be separated. We discuss different versions of the model that make different assumptions about the form (linear versus quadratic) and rate (fixed versus individual-specific) of change. In order to fit the model to data, we propose a Bayes estimator. Parameter recovery is investigated in a simulation study. The study suggests that parameter recovery is good under certain conditions. We illustrate the application of the model to data measuring visuo-spatial perspective-taking.

基于扩散的项目反应理论模型是将扩散模型的参数(漂移率、边界分离)与考生的潜在特征联系起来的测量模型。与标准的潜在特征模型类似,它们假设考生在考试中的潜在特征是不变的。然而,先前的研究表明,随着考生的学习或努力程度的降低,特质会发生变化。在本文中,我们将基于扩散的项目反应理论模型与潜在增长曲线模型相结合。在该模型中,允许每个考生的潜在特征在测试过程中发生变化,直到达到稳定水平。由于不同的特征具有不同的变化过程,因此可以将变化的不同方面分开。我们讨论了不同版本的模型,这些模型对变化的形式(线性与二次型)和速率(固定与个体特定)做出了不同的假设。为了使模型与数据相匹配,我们提出了一个贝叶斯估计量。在模拟研究中研究了参数恢复。研究表明,在一定条件下,参数恢复良好。我们举例说明了该模型在视觉空间透视数据测量中的应用。
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引用次数: 0
Using Process Data to Improve Classification Accuracy of Cognitive Diagnosis Model. 利用过程数据提高认知诊断模型的分类精度。
IF 3.8 3区 心理学 Q1 Mathematics Pub Date : 2023-09-01 Epub Date: 2023-01-09 DOI: 10.1080/00273171.2022.2157788
Kangjun Liang, Dongbo Tu, Yan Cai

With the advance of computer-based assessments, many process data, such as response times (RTs), action sequences, Eye-tracking data, the log data for collaborative problem-solving (CPS) and mouse click/drag becomes readily available. Findings from previous studies (e.g., Peng et al., Multivariate Behavioral Research, 1-20, 2021; Xu, The British Journal of Mathematical and Statistical Psychology, 73(3), 474-505, 2020; He & von Davier, Handbook of research on technology tools for real-world skill development (pp. 750-777). IGI Global, 2016; Man & Harring, Educational and Psychological Measurement, 81(3), 441-465, 2021) suggest a substantial relationship between this human-computer interactive process information and proficiency, which means these process data were potentially useful variables for psychological and educational measurement. To make full use of the process data, this paper aims to combine two useful and easily available types of process data, including the mouse click/drag traces and the response times, to the conventional cognitive diagnostic model (CDM) to better understand individual's response behavior and improve the classification accuracy of existing CDM. Then the full Bayesian analysis using Markov chain Monte Carlo (MCMC) was employed to estimate the proposed model parameters. The viability of the proposed model was investigated by an empirical data and two simulation studies. Results indicated the proposed model combing both types of process data could not only improve the attribute classification reliability in real data analysis, but also provide an improvement on item parameters recovery and person classification accuracy.

随着基于计算机的评估的进步,许多过程数据,如响应时间(RT)、动作序列、眼动追踪数据、协作解决问题的日志数据(CPS)和鼠标点击/拖动,变得随时可用。先前研究的结果(例如,彭等人,多变量行为研究,2021年1月20日;徐,《英国数学与统计心理学杂志》,73(3),474-5052020;He和von Davier,《现实世界技能发展技术工具研究手册》(第750-777页)。IGI Global,2016;Man&Harring,Educational and Psychological Measurement,81(3),441-4652021)表明,这种人机交互过程信息与熟练程度之间存在实质性关系,这意味着这些过程数据是心理和教育测量的潜在有用变量。为了充分利用过程数据,本文旨在将两种有用且易于获得的过程数据(包括鼠标点击/拖动轨迹和响应时间)与传统的认知诊断模型(CDM)相结合,以更好地了解个体的响应行为,提高现有CDM的分类准确性。然后利用马尔可夫链蒙特卡罗(MCMC)进行全贝叶斯分析来估计所提出的模型参数。通过一个经验数据和两个模拟研究对所提出的模型的可行性进行了研究。结果表明,该模型将两种类型的过程数据相结合,不仅可以提高真实数据分析中属性分类的可靠性,还可以提高项目参数的恢复和人员分类的准确性。
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引用次数: 1
期刊
Multivariate Behavioral Research
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