M3PL-class

Multidimensional Three-Parameter Logistic Model

A collection of Item Response Theory (IRT) and Computerized
Adaptive Testing (CAT) functions that are used in psychometrics.

Emre Gonulates

Item Response Theory and Computerized Adaptive Testing Functions

M3PL-class function

<dl>
<dt><code>a</code></dt>
<dd>Slope Parameters</dd></dl>
<dt><code>d</code></dt>
<dd>Intercept Parameter</dd>
<dt><code>c</code></dt>
<dd>Pseudo-Guessing Parameter</dd>
<dt><code>D</code></dt>
<dd>Scaling constant</dd>
<dt><code>se_a</code></dt>
<dd>Standard errors of slope parameters</dd>
<dt><code>se_d</code></dt>
<dd>Standard error of intercept parameter</dd>
<dt><code>se_c</code></dt>
<dd>Standard error of pseudo-guessing parameter</dd>

Slots

Author

Multidimensional Three-Parameter Logistic Model — M3PL-class

<dl>
<dt><code>a</code></dt>
<dd>Slope Parameters</dd>


<dt><code>d</code></dt>
<dd>Intercept Parameter</dd>


<dt><code>c</code></dt>
<dd>Pseudo-Guessing Parameter</dd>


<dt><code>D</code></dt>
<dd>Scaling constant</dd>


<dt><code>se_a</code></dt>
<dd>Standard errors of slope parameters</dd>


<dt><code>se_d</code></dt>
<dd>Standard error of intercept parameter</dd>


<dt><code>se_c</code></dt>
<dd>Standard error of pseudo-guessing parameter</dd>


</dl>

M3PL-class: Multidimensional Three-Parameter Logistic Model

Description

Arguments

Slots

Author