="anchor" aria-label="anchor" href="#arg-key"></a></dt>
<dd><p>String. They key identifies 1) the difficulty estimates
pertaining to a particular Rasch model, and 2) the prior mean and standard
deviation of the prior distribution for calculating the D-score.
The default key <code>NULL</code> sets <code>key = "gsed2406"</code>.
View <code>builtin_keys</code> for an overview of the available keys.</p></dd>


<dt id="arg-references">references<a class="anchor" aria-label="anchor" href="#arg-references"></a></d