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 2.0.0

- DESCRIPTION file.
- Package NEWS.

## Help Pages

bench | Benchmark Procedure
define_targets | Define theta targets
IRT | Compute expected probability for a single dichotomous item
irt_estimate | Estimate of theta via Maximum Likelihood
isa | Item Selection Algorithm
item_info | Item Information Functions (multiple items, I_i(theta))
i_info | Item Information Function (single item, I_i(theta))
logLik_theta | Log-likelihood estimation of theta
mpirt | Compute expected probability for multiple dichotomous items
obsirt | Simulate dichotomous responses according to IRT probabilities
plot.bench | Method for plotting the TIF of the test/short test form
plot.iifs | Method for plotting the item information functions
plot.isa | Method for plotting the TIF of the test/short test form
plot.theta_target | Method for plotting the TIF of the test/short test form
plot.tif | Plot TIF
summary.bench | Method for the summary of the test/short test form
summary.isa | Method for the summary of the test/short test form
summary.theta_target | Method for the summary of the test/short test form
theta_target | Theta target procedure
tif | Test Information Function (TIF)