data.mc: Dataset with Raw and Scored Responses from Multiple Choice...
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data.mc

R Documentation

Dataset with Raw and Scored Responses from Multiple Choice Items

Description

Dataset of responses from multiple choice items, containing 143 students on 30 items.

Usage

data(data.mc)

Format

The dataset is a list with two elements. The entry raw contains unscored (raw) item responses and the entry scored contains the scored (recoded) item responses. The format is:

List of 2
$ raw : chr [1:143, 1:30] "A" "A" "A" "A" ...
..- attr(*, "dimnames")=List of 2
.. ..$ : NULL
.. ..$ : chr [1:30] "I01" "I02" "I03" "I04" ...
$ scored:'data.frame':
..$ I01: num [1:143] 1 1 1 1 1 1 1 1 1 1 ...
..$ I02: num [1:143] 1 1 1 0 1 1 1 1 1 1 ...
..$ I03: num [1:143] 1 1 1 1 1 1 1 1 1 1 ...
[...]
..$ I29: num [1:143] NA 0 1 0 1 0 0 0 0 0 ...
..$ I30: num [1:143] NA NA 1 1 1 1 0 1 1 0 ...