p>Factor indicating the high school status, with 3 levels.</p>
</dd>
<dt>phs</dt><dd><p>Factor indicating the post-high school status, with 4 levels.</p>
</dd>
<dt>fol</dt><dd><p>Factor indicating the field of study, with 7 levels.</p>
</dd>
<dt>sex</dt><dd><p>Factor indicating the gender of the participants, with 2 levels.</p>
</dd>
<dt>f</dt><dd><p>Integer representing the associated numerical value for the participants.</p>
</dd>
</dl>



<h3>Source</h3>

<p>Data from the Minnesota 1938 study
</p>

</mai