builtin_itembank {dscore}

Built-in itembank

Description

A data frame with administrative information per item. Includes only items that are part of a Rasch model. See builtin_itemtable for an overview of all currently defined items.

Usage

builtin_itembank

Format

A data.frame with variables:

Name	Label
key	String indicating a specific Rasch model (the key)
item	Item name, gsed lexicon
tau	Difficulty estimate
label	Label (English)
instrument	Instrument code
domain	Domain code
mode	Administration mode
number	Item number

Details

In general, one can only compare D-score calculated with the same key. The current recommendation for new projects is to choose key gsed2212.

Note

Last update:

• Dec 01, 2022 - Overwrite labels of gto by correct item order.

• Dec 05, 2022 - Adds key gsed2212, adding instruments gl1 and gs1, and defining correct order for gto

• Jan 05, 2023 - Adds instrument gh1 to key gsed2212

See Also

dscore(), get_tau(), builtin_itemtable()

Examples

head(builtin_itembank)