discriminationToFactorLoading {petersenlab} | R Documentation |
Discrimination (IRT) to Standardized Factor Loading.
Description
Convert a discrimination parameter in item response theory to a standardized factor loading.
Usage
discriminationToFactorLoading(a, model = "probit")
Arguments
a |
Discrimination parameter in item response theory. |
model |
Model type. One of:
|
Details
Convert a discrimination parameter in item response theory to a standardized factor loading
Value
Standardized factor loading.
See Also
https://aidenloe.github.io/introToIRT.html https://stats.stackexchange.com/questions/228629/conversion-of-irt-logit-discrimination-parameter-to-factor-loading-metric
Other IRT:
fourPL()
,
itemInformation()
,
reliabilityIRT()
,
standardErrorIRT()
Examples
discriminationToFactorLoading(0.5)
discriminationToFactorLoading(1.3)
discriminationToFactorLoading(1.3, model = "logit")
[Package petersenlab version 1.0.0 Index]