></em>\(1-(1-\alpha)^{1/3}\) is used (so that the transformed values are a monotonically increasing function of the <em></em>\(\alpha\) values).</p></li>
<li><p><code>transf.iahw</code>: inverse of the former.</p></li>
<li><p><code>transf.abt</code>: transformation of coefficient alpha as suggested by Bonett (2002), except that <em></em>\(-\log(1-\alpha)\) is used (so that the transformed values are a monotonically increasing function of the <em></em>\(\alpha\) values).</p></li>
<li><p><code>transf.iabt</co