spelling

Item response data regarding student spelling performance on four words: infidelity, panoramic, succumb, and girder. The sample includes 284 male and 374 female undergraduate students from the University of Kansas. Each item was scored as either correct or incorrect.

datasets

Provides convenience functions and pre-programmed Stan models
related to item response theory. Its purpose is to make fitting
common item response theory models using Stan easy.

Daniel C Furr

edstan

Stan Models for Item Response Theory

spelling function

A wide-form data.frame (one row per person) with the following columns:<dl>
 <dt>male</dt>
<dd>Indicator for whether person is male.</dd> <dt>infidelity</dt>
<dd>Indicator for whether person spelled infidelity correctly.</dd> <dt>panoramic</dt>
<dd>Indicator for whether person spelled panoramic correctly.</dd> <dt>succumb</dt>
<dd>Indicator for whether person spelled succumb correctly.</dd> <dt>girder</dt>
<dd>Indicator for whether person spelled girder correctly.</dd> 
</dl>

Format

Spelling data — spelling

A wide-form data.frame (one row per person) with the following columns:<dl>
 <dt>male</dt>
<dd>Indicator for whether person is male.</dd>

 <dt>infidelity</dt>
<dd>Indicator for whether person spelled infidelity correctly.</dd>

 <dt>panoramic</dt>
<dd>Indicator for whether person spelled panoramic correctly.</dd>

 <dt>succumb</dt>
<dd>Indicator for whether person spelled succumb correctly.</dd>

 <dt>girder</dt>
<dd>Indicator for whether person spelled girder correctly.</dd>

 
</dl>

spelling: Spelling data

Description

Usage

Arguments

Format