TestScores: Fictitious Test Scores for Illustrative Purposes
In psychometric: Applied Psychometric Theory
TestScores R Documentation
Fictitious Test Scores for Illustrative Purposes
Description
These data were created to correspond to scores for 30 examinees on 10 items
of test X plus a score on criterion Y.
Usage
data(TestScores)
Format
A matrix with 30 observations on the following 11 variables.
i1 item1 on test x
i2 item2 on test x
i3 item3 on test x
i4 item4 on test x
i5 item5 on test x
i6 item6 on test x
i7 item7 on test x
i8 item8 on test x
i9 item9 on test x
i10 item10 on test x
y Score on criterion Y
Details
These data are constructed such that items 1 - 10 are coded 0,1 for incorrect/correct
responses. The data illustate that some items are better for maintaining internal consistency,
whereas others may be more useful for relating to external criteria.
See Also
item.exam
Examples
data(TestScores)
str(TestScores)
item.exam(TestScores[,1:10], y = TestScores[,11], discrim=TRUE)
alpha(TestScores[,1:10])
psychometric documentation built on Nov. 6, 2023, 1:06 a.m.
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| TestScores | R Documentation |
Fictitious Test Scores for Illustrative Purposes
Description
These data were created to correspond to scores for 30 examinees on 10 items of test X plus a score on criterion Y.
Usage
data(TestScores)Format
A matrix with 30 observations on the following 11 variables.
i1item1 on test x
i2item2 on test x
i3item3 on test x
i4item4 on test x
i5item5 on test x
i6item6 on test x
i7item7 on test x
i8item8 on test x
i9item9 on test x
i10item10 on test x
yScore on criterion Y
Details
These data are constructed such that items 1 - 10 are coded 0,1 for incorrect/correct responses. The data illustate that some items are better for maintaining internal consistency, whereas others may be more useful for relating to external criteria.
See Also
item.exam
Examples
data(TestScores)
str(TestScores)
item.exam(TestScores[,1:10], y = TestScores[,11], discrim=TRUE)
alpha(TestScores[,1:10])
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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