/p>
</dd>
<dt>prof</dt><dd><p>factor indicating instructor identifier.</p>
</dd>
</dl>



<h3>Details</h3>

<p>A sample of student instructional ratings for a group of university teachers along with
beauty rating (average from six independent judges)  and a number of other characteristics.
</p>


<h3>Source</h3>

<p>The data were provided by Prof. Hamermesh. The first 8 variables are also available in the
online complements to Stock and Watson (2007) at
</p>


<h3>References</h3>

<p>Hamermesh, D.S., and Pa