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Showing 16 to 30 of 97 results Save | Export
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Paans, Cindy; Segers, Eliane; Molenaar, Inge; Verhoeven, Ludo – Journal of Computer Assisted Learning, 2018
In the present study, we investigated whether online learning behaviours (navigation and writing activities) mediated the relation between learner characteristics (prior knowledge, vocabulary knowledge, working memory, and motivation) and declarative knowledge. Specifically, we investigated whether the quality of participants' written assignments…
Descriptors: Assignments, Grade 5, Elementary School Students, Navigation (Information Systems)
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Molenaar, Peter C. M. – International Journal of Developmental Science, 2012
In this short contribution I introduce myself to the readership of the "International Journal of Developmental Science" by describing some high points in my scientific career, leading up to a major change in my perspective on the proper way to conduct empirical research in developmental science.
Descriptors: Developmental Psychology, Developmental Stages, Behavior Development, Genetics
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Lo, Lawrence L.; Molenaar, Peter C. M.; Rovine, Michael – Applied Developmental Science, 2017
Determining the number of factors is a critical first step in exploratory factor analysis. Although various criteria and methods for determining the number of factors have been evaluated in the usual between-subjects R-technique factor analysis, there is still question of how these methods perform in within-subjects P-technique factor analysis. A…
Descriptors: Factor Analysis, Structural Equation Models, Correlation, Sample Size
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Yang, Xiao; Ram, Nilam; Lougheed, Jessica P.; Molenaar, Peter C. M.; Hollenstein, Tom – Developmental Psychology, 2019
An individual's emotions system can be conceived of as a synchronized, coordinated, and/or emergent combination of physiology, experience, and behavioral components. Together, the interplay among these components produce emotional experiences through coordinated excitatory positive feedback (i.e., the mutual amplification of emotion concordance)…
Descriptors: Foreign Countries, Adolescents, Psychological Patterns, Emotional Response
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Molenaar, Inge; Sleegers, Peter; van Boxtel, Carla – Metacognition and Learning, 2014
This article explores the effect of computerized scaffolding with different scaffolds (structuring vs. problematizing) on intra-group metacognitive interaction. In this study, we investigate 4 types of intra-group social metacognitive activities; namely ignored, accepted, shared and co-constructed metacognitive activities in 18 triads (6 control…
Descriptors: Scaffolding (Teaching Technique), Cooperative Learning, Metacognition, Control Groups
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von Eye, Alexander – International Journal of Developmental Science, 2015
The concepts and paradigms "development", "evolution", and "developmental behavior genetics" target, in their statements, populations. The laws of genetics and evolution are supposed to apply to every single case in a population. It can be counted among the major contributions of Gottlieb (1992, 1995) to have pointed…
Descriptors: Individual Differences, Individual Development, Scientific Research, Genetics
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Campbell, Cynthia G.; Bierman, Karen L.; Molenaar, Peter C. M. – Applied Developmental Science, 2016
Transitions requiring the creation of new social networks may be challenging for individuals vulnerable to social anxiety, which may hinder successful adjustment. Using person-specific methodology, this study examined social anxiety in vulnerable university freshman away from home during their first semester of college to understand how day-to-day…
Descriptors: Anxiety, College Freshmen, Withdrawal (Psychology), Fear
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Gremmen, M. C.; Molenaar, I.; Teepe, R. C. – Journal of Computer Assisted Learning, 2016
Some children enter elementary school with large vocabulary delays, which negatively influence their later school performance. A rich home language environment can support vocabulary development through frequent high-quality parent-toddler interaction. Elaborated picture home activities can support this rich home language environment. This study…
Descriptors: Vocabulary Development, Multimedia Materials, Parent Child Relationship, Toddlers
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Gayles, Jochebed G.; Molenaar, Peter C. M. – International Journal of Behavioral Development, 2013
The fields of psychology and human development are experiencing a resurgence of scientific inquiries about phenomena that unfold at the level of the individual. This article addresses the issues of analyzing intraindividual psychological/developmental phenomena using standard analytical techniques for interindividual variation. When phenomena are…
Descriptors: Individual Development, Individual Differences, Developmental Psychology, Factor Analysis
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Bentler, Peter M.; Molenaar, Peter C. M. – Multivariate Behavioral Research, 2012
Molenaar (2003, 2011) showed that a common factor model could be transformed into an equivalent model without factors, involving only observed variables and residual errors. He called this invertible transformation the Houdini transformation. His derivation involved concepts from time series and state space theory. This article verifies the…
Descriptors: Structural Equation Models, Algebra, Statistical Analysis, Models
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Molenaar, Peter C. M. – Measurement: Interdisciplinary Research and Perspectives, 2009
Definitions of measurement equivalence in terms of invariance can be specified at a very general formal level. Presently, however, only the operationalization of measurement equivalence in terms of factor models is at stake. In this article, the author discusses the proposed alternative definition in terms of idiographic filters in the context of…
Descriptors: Research Methodology, Definitions, Measurement, Models
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Molenaar, Inge; Roda, Claudia; van Boxtel, Carla; Sleegers, Peter – Computers & Education, 2012
The aim of this study is to test the effects of dynamically scaffolding social regulation of middle school students working in a computer-based learning environment. Dyads in the scaffolding condition (N=56) are supported with computer-generated scaffolds and students in the control condition (N=54) do not receive scaffolds. The scaffolds are…
Descriptors: Computer Assisted Instruction, Cooperative Learning, Metacognition, Learning Processes
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Molenaar, Dylan; Dolan, Conor V.; de Boeck, Paul – Psychometrika, 2012
The Graded Response Model (GRM; Samejima, "Estimation of ability using a response pattern of graded scores," Psychometric Monograph No. 17, Richmond, VA: The Psychometric Society, 1969) can be derived by assuming a linear regression of a continuous variable, Z, on the trait, [theta], to underlie the ordinal item scores (Takane & de Leeuw in…
Descriptors: Simulation, Regression (Statistics), Psychometrics, Item Response Theory
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Liu, Siwei; Rovine, Michael J.; Molenaar, Peter C. M. – Structural Equation Modeling: A Multidisciplinary Journal, 2012
This study investigated the performance of fit indexes in selecting a covariance structure for longitudinal data. Data were simulated to follow a compound symmetry, first-order autoregressive, first-order moving average, or random-coefficients covariance structure. We examined the ability of the likelihood ratio test (LRT), root mean square error…
Descriptors: Structural Equation Models, Goodness of Fit, Longitudinal Studies, Data Analysis
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Matzke, Dora; Dolan, Conor V.; Molenaar, Dylan – Intelligence, 2010
In higher order factor models, general intelligence (g) is often found to correlate perfectly with lower-order common factors, suggesting that g and some well-defined cognitive ability, such as working memory, may be identical. However, the results of studies that addressed the equivalence of g and lower-order factors are inconsistent. We suggest…
Descriptors: Intelligence, Statistical Analysis, Correlation, Effect Size
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