R: Procedures Based on Item Response Theory Models for the Development of Short Test Forms

# Procedures Based on Item Response Theory Models for the Development of Short Test Forms

## Documentation for package ‘shortIRT’ version 1.0.0

- DESCRIPTION file
- Package NEWS
- Package README

## Help Pages

bench | Benchmark Procedure
define_targets | Define theta targets
IRT | Compute expected probability for a single item
irt_estimate | Estimate of theta
item_info | Item Information Functions (multiple items, IIFs)
i_info | Item Information Function (single item, IIF)
logLik_theta | Log-likelihood estiamtion of theta
mpirt | Compute expected probability for multiple items
obsirt | Simulate responses according to IRT probabilities
plot.bench | Method for plotting the TIF of the STF
plot.iifs | Method for plotting the IIFs
plot.theta_target | Method for plotting the TIF of the STF
plot.tif | Plot TIF
summary.bench | Method for the summary of the STF
summary.theta_target | Method for the summary of the STF
theta_target | Theta target procedure
tif | Test Information Function (TIF)