| Psych101 {KernSmoothIRT} | R Documentation |
The Introductory Psychology Data
Description
A multiple-choice examination given to 379 students in an introductory course in psychology in the Christmas exam period of 1989 at McGill. The test consisted of 100 multiple-choice items, each having four response options.
Usage
data(Psych101)
Format
Psychkey-
is a numeric vector with the correct responses for each of the 100 questions on the exam.
Psychresponses-
is a numeric matrix with students' answers. Each column represents a question and each row represents a student.
Details
See ksIRT() help page for more information and examples on how to use these data with the KernSmoothIRT package.
Source
Ramsay, J.O. (2000). TestGraf: A program for the graphical analysis of multiple choice test and questionnaire data.
References
Ramsay, J.O. and Abrahamowicz M. (1989). Binomial regression with monotone splines: A psychometric application. Journal of the American Statistical Association, 84(408), 906-915.
Ramsay, J.O. (2000). TestGraf: A program for the graphical analysis of multiple choice test and questionnaire data.