spearman_brown: Spearman Brown Prophecy
In xxIRT: Item Response Theory and Computer-Based Testing in R
Description
Usage
Arguments
Examples
Description
Use Spearman-brown formula to compute the predicted reliability
when the test length is extened to n-fold or reversely the n-fold extension of
test length in order to reach the targeted reliability
Usage
1
2
3
spearman_brown(n, rho)
spearman_brown_reverse(rho, target)
Arguments
n
extend the test length to n-fold
rho
the reliability of current test
target
the targeted reliability
Examples
1
2
spearman_brown(2, .70)
spearman_brown_reverse(.70, .85)
xxIRT documentation built on May 1, 2019, 7:11 p.m.
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Description Usage Arguments Examples
Description
Use Spearman-brown formula to compute the predicted reliability when the test length is extened to n-fold or reversely the n-fold extension of test length in order to reach the targeted reliability
Usage
1 2 3 | spearman_brown(n, rho)
spearman_brown_reverse(rho, target)
|
Arguments
n |
extend the test length to n-fold |
rho |
the reliability of current test |
target |
the targeted reliability |
Examples
1 2 | spearman_brown(2, .70)
spearman_brown_reverse(.70, .85)
|
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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