Dataset with Raw and Scored Responses from Multiple Choice Items

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

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 ...