ber this study from the Chapter Visualisation chapter.</p>
<p>This experiment has a 2 x 2 mixed design:</p>
<ul>
<li>The first IV is time (time1, time2) and is within-subjects</li>
<li>The second IV is type of event (ordinary vs. extraordinary) and is a between-subjects factor</li>
<li>The DV we will use is <code>interest</code>
</li>
</ul>
<div id="factorial-a1" class="section level3" number="15.0.1">
<h3>
<span class="header-section-number">15.0.1</span> Activity 1: Set-up<a class="anchor" aria-label="anc