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This dataset contains examinees' responses to a short quiz with 10 items.The data set has been fabricated to demonstrate Explanatory Item Response Modeling.

Usage

testdata

Format

A long format data frame containing 1000 examinees' responses to 10 items and additional variables.

person

Examinee ID

item

Item ID

response

Dichotomous item responses

gender

Examinees' gender where F is female and M is male

itemtype

A variable to define whether the items on the quiz have a visual component