sim20seqGDINA

Simulated data, Qc-matrix and item parameters for a 20-item test measuring 5 attributes.

datasets

A set of psychometric tools for cognitive diagnosis modeling based on the generalized deterministic inputs, noisy and gate (G-DINA) model by de la Torre (2011) <DOI:10.1007/s11336-011-9207-7> and its extensions, including the sequential G-DINA model by Ma and de la Torre (2016) <DOI:10.1111/bmsp.12070> for polytomous responses, and the polytomous G-DINA model by Chen and de la Torre <DOI:10.1177/0146621613479818> for polytomous attributes. Joint attribute distribution can be independent, saturated, higher-order, loglinear smoothed or structured. Q-matrix validation, item and model fit statistics, model comparison at test and item level and differential item functioning can also be conducted. A graphical user interface is also provided. For tutorials, please check Ma and de la Torre (2020) <DOI:10.18637/jss.v093.i14>, Ma and de la Torre (2019) <DOI:10.1111/emip.12262>, Ma (2019) <DOI:10.1007/978-3-030-05584-4_29> and de la Torre and Akbay (2019).

Wenchao Ma

GDINA

The Generalized DINA Model Framework

Jimmy de la Torre

Miguel Sorrel

Zhehan Jiang

sim20seqGDINA function

A list with components:<dl>
<dt><code>simdat</code></dt>
<dd>simulated polytomous responses of 2000 examinees</dd><dt><code>simQ</code></dt>
<dd>artificial Qc-matrix</dd><dt><code>simItempar</code></dt>
<dd>artificial item parameters (category level probability of success for each latent group)</dd>
</dl>

Format

Wenchao Ma, The University of Alabama, <a href="/link/wenchao.ma%40ua.edu?package=GDINA&version=2.9.4" data-mini-rdoc="GDINA::wenchao.ma@ua.edu">wenchao.ma@ua.edu</a>

Author

Simulated data (20 items, sequential G-DINA model) — sim20seqGDINA

A list with components:<dl>
<dt><code>simdat</code></dt>
<dd>simulated polytomous responses of 2000 examinees</dd>

<dt><code>simQ</code></dt>
<dd>artificial Qc-matrix</dd>

<dt><code>simItempar</code></dt>
<dd>artificial item parameters (category level probability of success for each latent group)</dd>


</dl>

Wenchao Ma, The University of Alabama, <a href='mailto:wenchao.ma@ua.edu'>wenchao.ma@ua.edu</a>

sim20seqGDINA: Simulated data (20 items, sequential G-DINA model)

Description

Usage

Arguments

Format

Author

References