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An Assessment of The Nonparametric Approach for Evaluating The Fit of Item Response ModelsLiang, Tie 01 February 2010 (has links)
As item response theory (IRT) has developed and is widely applied, investigating the fit of a parametric model becomes an important part of the measurement process when implementing IRT. The usefulness and successes of IRT applications rely heavily on the extent to which the model reflects the data, so it is necessary to evaluate model-data fit by gathering sufficient evidence before any model application. There is a lack of promising solutions on the detection of model misfit in IRT. In addition, commonly used fit statistics are not satisfactory in that they often do not possess desirable statistical properties and lack a means of examining the magnitude of misfit (e.g., via graphical inspections). In this dissertation, a newly-proposed nonparametric approach, RISE was thoroughly and comprehensively studied. Specifically, the purposes of this study are to (a) examine the promising fit procedure, RISE, (b) compare the statistical properties of RISE with that of the commonly used goodness-of-fit procedures, and (c) investigate how RISE may be used to examine the consequences of model misfit. To reach the above-mentioned goals, both a simulation study and empirical study were conducted. In the simulation study, four factors including ability distribution, sample size, test length and model were varied as the factors which may influence the performance of a fit statistic. The results demonstrated that RISE outperformed G2 and S-X2 in that it controlled Type I error rates and provided adequate power under all conditions. In the empirical study, the three fit statistics were applied to one empirical data and the misfitting items were flagged. RISE and S-X2 detected reasonable numbers of misfitting items while G2 detected almost all items when sample size is large. To further demonstrate an advantage of RISE, the residual plot on each misfitting item was shown. Compared to G2 and S-X2, RISE gave a much clearer picture of the location and magnitude of misfit for each misfitting item. Other than statistical properties and graphical displays, the score distribution and test characteristic curve (TCC) were investigated as model misfit consequence. The results indicated that for the given data, there was no practical consequence on classification before and after replacement of misfitting items detected by three fit statistics.
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A experiência machadiana: Experience Design Theory in Dom CasmurroEllingson, Dania Genine 01 June 2019 (has links)
The intricate and complex writing style of Machado de Assis’ novel Dom Casmurro create a unique and powerfully engaging reader experience. While much has been discussed with regard to narratology and reader-response theory in Dom Casmurro, Machado’s writing recalls many principles found in the cross-disciplinary field of experience design. Through an analysis of the novel using flow and co-creation theories, we see that Machado designs an extraordinary reader experience through narrational scaffolding and co-creative invitations. These elements engage readers in challenging and immersive ways, ultimately encouraging readers to develop their reading capacity throughout their contact with the novel. In Dom Casmurro, Machado’s experiential writing enables readers to work together with the author to create two significant products: both the novel itself and—perhaps most important—the co-creative experience the novel facilitates.
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An Evaluation of DIF Tests in Multistage Tests for Continuous CovariatesDebelak, Rudolf, Debeer, Dries 22 January 2024 (has links)
Multistage tests are a widely used and efficient type of test presentation that aims to
provide accurate ability estimates while keeping the test relatively short. Multistage tests typically
rely on the psychometric framework of item response theory. Violations of item response models and
other assumptions underlying a multistage test, such as differential item functioning, can lead to
inaccurate ability estimates and unfair measurements. There is a practical need for methods to detect
problematic model violations to avoid these issues. This study compares and evaluates three methods
for the detection of differential item functioning with regard to continuous person covariates in data
from multistage tests: a linear logistic regression test and two adaptations of a recently proposed
score-based DIF test. While all tests show a satisfactory Type I error rate, the score-based tests show
greater power against three types of DIF effects.
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Bayesian Model Checking Strategies for Dichotomous Item Response Theory ModelsToribio, Sherwin G. 16 June 2006 (has links)
No description available.
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APPLICATIONS OF DIFFERENTIAL FUNCTIONING METHODS TO THE GENERALIZED GRADED UNFOLDING MODELCarter, Nathan T. 01 March 2011 (has links)
No description available.
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A FRAMEWORK FOR PSYCHOMETRIC ANALYSIS OF STUDENT PERFORMANCE ACROSS TIME: AN ILLUSTRATION WITH NATIONAL EDUCATIONAL LONGITUDINAL STUDY DATAHart, Raymond C., Jr 04 May 2007 (has links)
No description available.
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Investigating Perceptions of Job Satisfaction in Older Workers Using Item Response TheoryKing, Rachel T. 13 March 2014 (has links)
No description available.
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Reactions to Power Scale: Construct Validation with Confirmatory Factor Analysis and Polytomous Item Response TheoryWarren, Michael A. 12 June 2014 (has links)
No description available.
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Incidence and Attributions of Uncivil Events: Should they be Studied Separately?Withrow, Scott 01 August 2014 (has links)
No description available.
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Item Response Theory and Transition Models Applied to Allergen Skin Prick TestingSucharew, Heidi January 2009 (has links)
No description available.
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