The performance of dichotomous and polytomous IRT models in equating testletbased tests was compared in this study. To clarify the conditions under which dichotomous and polytomous item response models produce differing results, the DIMTEST program was used for testing essential unidimensionality, and a bias-corrected index (Final Condcorr) was adapted in this study for measuring local item dep...

The R package equate (Albano, 2010) contains functions for non-IRT equating under random groups and nonequivalent groups designs. This package vignette introduces these designs and provides an overview of statistical equating with details about each of the supported equating methods. Examples demonstrate the basic functionality of the package.

BACKGROUND The MRCP(UK) exam, in 2008 and 2010, changed the standard-setting of its Part 1 and Part 2 examinations from a hybrid Angoff/Hofstee method to statistical equating using Item Response Theory, the reference group being UK graduates. The present paper considers the implementation of the change, the question of whether the pass rate increased amongst non-UK candidates, any possible role...

Abstract We wonder if there is a way to make all Schur functions in representations equal. This impossible for fixed value of time variables, but can be achieved averages. It appears that the corresponding measure just Gaussian times, which are independent. The generating function number Young diagrams does not straightforwardly appear as product, reproduced non-trivial way.

The skin care needs of older people are often neglected or confined to major skin breakdowns, such as leg ulcers. However, clinicians should also pay attention to basic skin care, including the assessment of rashes and the correct use of emollients that can prevent common skin conditions such as dryness, itching and eczema. This article examines the nursing assessment of older people with commo...