EXAMstats: Exam Statistics
In ProfessR: Grades Setting and Exam Maker
EXAMstats R Documentation
Exam Statistics
Description
Statistical Analysis of
Examination where the results are either
correct or incorrect.
Usage
EXAMstats(j, key)
Arguments
j
matrix of student responses
key
key of correct answers
Details
At this statge no partial credit is given.
Value
List
H
Matrix: question, correct response, student responses,
difficulty, Desc, BiSer
kr20
Kruder-Richardson reliability statistic
Note
There is a slightly different implementation
if partial credit is employed. See
Author(s)
Jonathan M. Lees<jonathan.lees@unc.edu>
References
Kuder, G. F., and Richardson, M. W. (1937). The theory of the estimation
of test reliability. Psychometrika, 2(3), 151-160.
Cortina, J. M., (1993). What Is Coefficient Alpha? An Examination of Theory and Applications.
Journal of Applied Psychology, 78(1), 98-104.
See Also
readSCANTRON
Examples
## Not run:
B2 = readSCANTRON(rawfn2)
Estat = EXAMstats(B2$studans, B2$key)
Estat$kr20
## End(Not run)
ProfessR documentation built on Aug. 21, 2023, 9:07 a.m.
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| EXAMstats | R Documentation |
Exam Statistics
Description
Statistical Analysis of Examination where the results are either correct or incorrect.
Usage
EXAMstats(j, key)
Arguments
j |
matrix of student responses |
key |
key of correct answers |
Details
At this statge no partial credit is given.
Value
List
H |
Matrix: question, correct response, student responses, difficulty, Desc, BiSer |
kr20 |
Kruder-Richardson reliability statistic |
Note
There is a slightly different implementation if partial credit is employed. See
Author(s)
Jonathan M. Lees<jonathan.lees@unc.edu>
References
Kuder, G. F., and Richardson, M. W. (1937). The theory of the estimation of test reliability. Psychometrika, 2(3), 151-160.
Cortina, J. M., (1993). What Is Coefficient Alpha? An Examination of Theory and Applications. Journal of Applied Psychology, 78(1), 98-104.
See Also
readSCANTRON
Examples
## Not run:
B2 = readSCANTRON(rawfn2)
Estat = EXAMstats(B2$studans, B2$key)
Estat$kr20
## End(Not run)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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