Sample data of a multiple choice test with two test forms.
A data.frame with 20 observations of the following 38 variables.
Serial number for each subject (numeric vector)
Family name (character vector)
First name (character vector)
Matriculation number (numeric vector)
Pseudonym for anonymous feedback (character)
given answers, only one answer per item (numeric vector)
given answers, several answers per item (numeric vector)
Test form (character vector)
And a matrix called
corr.key with indices for all items in the two test forms.
The data is actually the same as
antworten. But in this object the items of the last 10 test
subjects were reversed, hence this is test form ”b”. As a convenience,
a matrix called
is also included. This data can be used to test
The data was taken from a final exam test in differential psychology at the Institute for Experimental Psychology of the Heinrich-Heine-University Düsseldorf, summer term 2009.
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