equateIRT

Computation of direct, chain and average (bisector) equating coefficients with standard errors using Item Response Theory (IRT) methods for dichotomous items doi:10.1007/s11336-012-9316-y, doi:10.18637/jss.v068.i07. Test scoring can be performed by true score equating and observed score equating methods. DIF detection can be performed using a Wald-type test doi:10.1007/s10260-018-00442-w. The package includes tests to assess the stability of the equating transformations doi:10.1111/stan.12277.

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