Results 31 to 40 of about 193,208 (246)
Frontiers in Psychology, 2022 As a branch of statistical latent variable modeling, multidimensional item response theory (MIRT) plays an important role in psychometrics. Multidimensional graded response model (MGRM) is a key model for the development of multidimensional computerized ...
Jianan Sun, Ziwen Ye, Lu Ren, Jingwen Li
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Numerical Investigation on Free Vibration Response of Bi-Directional Porous Functionally Graded Circular/Annular Plates [PDF]
Mechanics of Advanced Composite Structures, 2022 The article presents non-axisymmetric free vibration results of porous bi-directional functionally graded (BDFG) plates. The bi-directional grading index changes with the thickness (z-) and radial (r-) directions and porosity distributions are classified
Dilsukh Vasara +3 more
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An application of item response theory to psychological test development
Psicologia: Reflexão e Crítica, 2016 Item response theory (IRT) has become a popular methodological framework for modeling response data from assessments in education and health; however, its use is not widespread among psychologists. This paper aims to provide a didactic application of IRT
Cristian Zanon +3 more
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Evaluation of Buss-Perry aggression Questionnaire with item response theory (IRT) [PDF]
Psihologija, 2012 The aim of this research was to examine the psychometric properties of the Buss-Perry Aggression Questionnaire on Serbian sample, using the IRT model for graded responses.
Dinić Bojana, Janičić Bojan
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Dynamic response of functionally graded plate under harmonic load with variable gradient parameters
Science and Engineering of Composite Materials, 2022 This article used the strip element method to study the dynamics problems of the functionally graded plate with variable gradient parameters under the harmonic loads.
Tian Jianhui +4 more
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Modeling Response Time and Responses in Multidimensional Health Measurement
Frontiers in Psychology, 2019 This study explored calibrating a large item bank for use in multidimensional health measurement with computerized adaptive testing, using both item responses and response time (RT) information.
Chun Wang, David J. Weiss, Shiyang Su
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Cell Reports, 2021 Summary: Survival or apoptosis is a binary decision in individual cells. However, at the cell-population level, a graded increase in survival of colony-forming unit-erythroid (CFU-E) cells is observed upon stimulation with erythropoietin (Epo).
Lorenz Adlung +10 more
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Alexandria Engineering Journal, 2016 This article attempts to investigate the effects of small scale parameter on steady state response of functionally graded nano-beams resting on a viscous foundation to super-harmonic excitation.
Sima Ziaee
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Pediatric Blood &Cancer, EarlyView.ABSTRACT Background PIK3CA‐related overgrowth spectrum (PROS) includes several rare overgrowth disorders resulting from somatic gain‐of‐function mutations in PIK3CA. Despite treatment advances, including the recent approval of alpelisib for PROS in the United States, literature detailing the patient experience with PROS is limited.
Vamsi Bollu +8 more
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Social Sciences, 2018 This study addresses the latent construct of attitudes toward environmental conservation based on study participant’s responses. We measured and evaluated the latent scale based on an 18-item scale instrument, over four experimental strata (N = 945)
Kostas Alexandridis
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