IRT                     Compute expected probability for a single item
bench                   Benchmark Procedure
define_targets          Define theta targets
i_info                  Item Information Function (single item, IIF)
irt_estimate            Estimate of theta
item_info               Item Information Functions (multiple items,
                        IIFs)
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)
