Download Contemporary Psychometrics: A Festschrift for Roderick P. by Albert Maydeu-Olivares PDF

By Albert Maydeu-Olivares

Modern Psychometrics good points leading edge chapters prepared in 4 sections: try conception, issue research, structural equation modeling, and multivariate research. The part on try out idea contains issues resembling multidimensional merchandise reaction concept (IRT), the connection among IRT and issue research, estimation and checking out of those versions, and uncomplicated dimension matters which are usually ignored. The issue research part stories the heritage and improvement of the version, factorial invariance and issue research indeterminacy, and Bayesian inference for issue rankings and parameter estimates. The part on structural equation modeling (SEM) comprises the overall algebraic-graphic principles for latent variable SEM, a survey of goodness of healthy evaluation, SEM resampling equipment, a dialogue of ways to check correlations among and inside of autonomous samples, dynamic issue types in line with ARMA time sequence versions, and multi-level issue research types for non-stop and discrete info. the ultimate part on multivariate research comprises themes equivalent to twin scaling of ordinal info, version specification and lacking facts difficulties in time sequence types, and a dialogue of the subjects that run via all multivariate tools. This travel de strength via modern psychometrics will entice complicated scholars and researchers within the social and behavioral sciences and schooling, in addition to methodologists from different disciplines.

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Extra resources for Contemporary Psychometrics: A Festschrift for Roderick P. Mcdonald (Multivariate Applications Books) (Multivariate Applications Series)

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Specifically, moving across or orthogonal to the contours provides the greatest change in probability of correct response. This direction represents the composite of skills that the item measures best. A problem that arises with the ICS and contour plots is that they only represent a single item, and thus it becomes awkward to consider several items simultaneously. A more efficient way to represent several items is to represent individual items as vectors. Following the work of Reckase and McKinley (1991), we have each vector _16 ACKERMAN represent three item characteristics: discrimination, difficulty, and location.

Sn,n-1) and me corresponding theoretical parameters as Similar to Equations 25 and 26 from Christoffersson's method, where = is an error vector. Through application of a Taylor expansion, Muthen showed that the relationship between s and can be approximated as where is a matrix of first-order derivatives, is the error vector with respect to the first- and second-order marginal proportions (as in Christoffersson's method), and r is a rest term vector containing higher order terms. Muthen showed that 2.

A nonparametric approach for assessing latent trait unidimensionality. Psychometrika, 52, 589-617. , Kim, H. , & Zhang, J. (1996). Conditional covariancebased nonparametric multidimensionality assessment. Applied Psychological Measurement, 20, 331-354. van der Linden, W. , & Hambleton, R. K. (1997). Handbook of modern item response theory. New York: Springer. This page intentionally left blank 2 Limited- and Full-Information Estimation of Item Response Theory Models Daniel M. Bolt Uniuersity of Wisconsin, Madison INTRODUCTION The growth of item response theory (IRT) has been one of the more important trends in psychometrics in the last several decades.

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