Titlebook: Educational Measurement for Applied Researchers; Theory into Practice Margaret Wu,Hak Ping Tam,Tsung-Hau Jen Book 2016 Springer Nature Sing

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What Is Measurement?,Most of us are familiar with measurement in the physical world, whether it is measuring today’s maximum temperature, the height of a child or the dimensions of a house, where numbers are given to represent “quantities” of some kind, on some scales, to convey properties of some attributes that are of interest to us.

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,Construct, Framework and Test Development—From IRT Perspectives,In Chap. 1, the terms “l(fā)atent trait” and “construct” are used to refer to the psycho-social attributes that are of interest to be measured.

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An Ideal Measurement,When one undertakes the measurement of a latent trait, what are the desirable properties one would like to have for the measures?

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Rasch Model (The Dichotomous Case),There are many different IRT models. The simplest model specification is the dichotomous Rasch model. The word “dichotomous” refers to the case where each item is scored as correct or incorrect (0 or 1).

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Residual-Based Fit Statistics,This chapter discusses the commonly used residual-based fit statistics for the Rasch model.