MSATB

<p>The <code>MSATB</code> data set consists of the responses of 1,407 subjects
(484 males, 923 females) to admission test to medical school in Czech republic.
It contains 20 selected items from original test while first item was previously detected
as differently functioning (Vlckova, 2014). A correct answer is coded as 1 and incorrect
answer as 0. The column <code>gender</code> represents gender of students, where 0 represents
males (reference group) and 1 represents females (focal group).</p>

datasets

Detection of differential item functioning (DIF) among dichotomously scored items and differential distractor functioning (DDF) among unscored items with non-linear regression procedures based on generalized logistic regression models (Drabinova and Martinkova, 2017, doi:10.1111/jedm.12158).

Adela Hladka

difNLR

DIF and DDF Detection by Non-Linear Regression Models

Patricia Martinkova

Karel Zvara

MSATB function

<p>A <code>MSATB</code> data frame consists of 1,407 observations on the following
21 variables. The first 20 columns represent dichotomously scored items of the test.
The 21st column is vector of group membership; values 0 and 1 refer to males (reference group)
and females (focal group).</p>

MSATB: Dichotomous Data Set of Medical School Admission Test in Biology

Description

Usage

Arguments

Format

References

See Also