heck"></i><b>2.3.1</b> Reliability</a></li>
<li class="chapter" data-level="2.3.2" data-path="working-with-data.html"><a href="working-with-data.html#validity"><i class="fa fa-check"></i><b>2.3.2</b> Validity</a></li>
</ul></li>
<li class="chapter" data-level="2.4" data-path="working-with-data.html"><a href="working-with-data.html#learning-objectives-1"><i class="fa fa-check"></i><b>2.4</b> Learning Objectives</a></li>
<li class="chapter" data-level="2.5" data-path="working-with-data.html"><a href="working-