spelling: Spelling data

Description Usage Format Source

Description

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.

Usage

1

Format

A wide-form data.frame (one row per person) with the following columns:

male

Indicator for whether person is male.

infidelity

Indicator for whether person spelled infidelity correctly.

panoramic

Indicator for whether person spelled panoramic correctly.

succumb

Indicator for whether person spelled succumb correctly.

girder

Indicator for whether person spelled girder correctly.

Source

Thissen, D., Steinberg, L. and Wainer, H. (1993). Detection of Differential Item Functioning Using the Parameters of Item Response Models. In Differential Item Functioning, edited by Holland. P. and Wainer, H., 67-114. Hillsdale, NJ: Lawrence Erlbaum.


edstan documentation built on May 2, 2019, 4:18 a.m.