> Research Designs</a></li>
<li class="chapter" data-level="4.6" data-path="research.html"><a href="research.html#review-questions-2"><i class="fa fa-check"></i><b>4.6</b> Review Questions</a></li>
</ul></li>
<li class="chapter" data-level="5" data-path="measure-sampl.html"><a href="measure-sampl.html"><i class="fa fa-check"></i><b>5</b> Measurement &amp; Sampling</a>
<ul>
<li class="chapter" data-level="5.1" data-path="measure-sampl.html"><a href="measure-sampl.html#variable-types"><i class="fa fa-check"><