Download Applying Test Equating Methods using R by Jorge González, Marie Wiberg PDF

By Jorge González, Marie Wiberg

This ebook describes tips on how to use try equating tools in perform. The non-commercial software program R is used through the ebook to demonstrate easy methods to practice various equating tools while ratings info are gathered below diversified facts assortment designs, equivalent to an identical teams layout, unmarried crew layout, counterbalanced layout and non an identical teams with anchor try out layout. The R applications equate, kequate and SNSequate, between others, are used to virtually illustrate the several equipment, whereas simulated and actual info units illustrate how the equipment are carried out with this system R. The booklet covers conventional equating equipment together with, suggest and linear equating, frequency estimation equating and chain equating, in addition to sleek equating tools similar to kernel equating, neighborhood equating and combos of those. It additionally deals chapters on saw and precise ranking merchandise reaction theory equating and discusses contemporary advancements in the equating box. extra particularly it covers the difficulty of together with covariates in the equating strategy, using diverse kernels and methods of choosing bandwidths in kernel equating, and the Bayesian nonparametric estimation of equating features. It additionally illustrates the way to overview equating in perform utilizing simulation and diversified equating particular measures resembling the normal mistakes of equating, percentage relative mistakes, assorted that concerns and others.

Show description

Read Online or Download Applying Test Equating Methods using R PDF

Best statistics books

The Manga Guide to Statistics (Manga Guide to Science)

Think you can't celebrate studying statistics? reassess.

The Manga consultant to statistical data will educate you every little thing you must find out about this crucial self-discipline, whereas interesting you whilst. With its exact mix of Japanese-style comics referred to as manga and severe academic content material, the EduManga layout is already a success in Japan.

In The Manga advisor to statistical data, our heroine Rui is set to profit approximately records to provoke the dreamy Mr. Igarashi and begs her father for a instruct. quickly she's spending her Saturdays with geeky, bespectacled Mr. Yamamoto, who patiently teaches her all concerning the basics of facts: subject matters like information categorization, averages, graphing, and traditional deviation.

After all her learning, Rui is convinced in her wisdom of records, together with complicated recommendations like likelihood, coefficients of correlation, speculation checks, and assessments of independence. yet is it adequate to provoke her dream man? or even there's a person larger, correct in entrance of her?

Reluctant facts scholars of every age will take pleasure in studying in addition to Rui during this captivating, easy-to-read consultant, which makes use of real-world examples like teenager journal quizzes, bowling video games, try ratings, and ramen noodle costs. Examples, workouts, and solution keys assist you persist with alongside and fee your paintings. An appendix exhibiting find out how to practice information calculations in Microsoft Excel makes it effortless to place Rui's classes into perform.

This EduManga ebook is a translation from a bestselling sequence in Japan, co-published with Ohmsha, Ltd. of Tokyo, Japan.

The Essentials of Statistics: A Tool for Social Research (3rd Edition)

Healey's sensible, easy-to-follow e-book explains the fundamentals of facts, emphasizing useful program and ability improvement instead of complex math. The text's various learn instruments assist you evaluate thoughts and get ready for examinations.

Doing Bayesian Data Analysis: A Tutorial with R, JAGS, and Stan (2nd Edition)

There's an explosion of curiosity in Bayesian facts, basically simply because lately created computational tools have eventually made Bayesian research accessible to a large viewers. Doing Bayesian info research: an educational with R, JAGS, and Stan offers an obtainable method of Bayesian info research, as fabric is defined in actual fact with concrete examples.

A First Course in Structural Equation Modeling

This ebook is designed to introduce scholars to the fundamentals of structural equation modeling via a conceptual, nonmathematical strategy. The few mathematical formulation integrated are utilized in a conceptual or illustrative nature, instead of a computational one. The publication positive aspects examples from LISREL and EQS.

Additional resources for Applying Test Equating Methods using R

Sample text

Wiberg, M. (2013). Performing the kernel method of test equating with the package kequate. Journal of Statistical Software, 55(6), 1–25. Angoff, W. H. (1971). Scales, norms and equivalent scores. In R. L. , pp. 508–600). Washington, DC: American Council on Education. (Reprinted as Angoff WH (1984). Scales, Norms and Equivalent Scores. ). Battauz, M. (2015). equateIRT: an R package for IRT test equating. Journal of Statistical Software, 68(7), 1–22. , & Holland, P. (1982). Observed-score test equating: a mathematical analysis of some ETS equating procedures.

Kernel equating will be discussed in detail in Chap. 4. Other examples of semiparametric equating estimators that will be discussed in Chap. 6 are local equating (van der Linden 2011), and combinations of kernel and local equating (Wiberg et al. 2014). 5 R Packages That Are Used in This Book A unique feature of this book is that it provides R code for performing all of the described equating methods. Four of the packages that will be used in the book can be considered “specialized” in the sense that they are particularly developed for equating.

XI r/; s/: where r and s are the vectors with elements rj and sk , and hX and hY are bandwidth parameters controlling the amount of smoothness. Kernel equating will be discussed in detail in Chap. 4. Other examples of semiparametric equating estimators that will be discussed in Chap. 6 are local equating (van der Linden 2011), and combinations of kernel and local equating (Wiberg et al. 2014). 5 R Packages That Are Used in This Book A unique feature of this book is that it provides R code for performing all of the described equating methods.

Download PDF sample

Rated 4.07 of 5 – based on 38 votes