Q.implausible: Generation of a Q-matrix that contains implausible MC items

View source: R/Q.implausible.R

Q.implausibleR Documentation

Generation of a Q-matrix that contains implausible MC items

Description

This function turns a proper and plausible Q-matrix into an implausible Q-matrix with the user-specified number of implausible distractors.

Usage

Q.implausible(Q, n.implausible)

Arguments

Q

A proper and plausible Q-matrix for MC items.

n.implausible

The number of items that have implausible distractors.

Value

The function returns

Q.implausible

The generated Q-matrix

item.implausible

The ID of the items that have implausible distractors.

References

Chiu, C.-Y., Köhn, H. F. & Wang, Y. (Online first). Plausible and proper multiple-choice items for diagnostic classification. Psychometrika. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1017/psy.2025.10074")}


NPCDTools documentation built on Sept. 1, 2026, 1:08 a.m.