/span></span>
<span class="r-in"><span>       idata<span class="op">=</span><span class="va">idata</span>, idesign<span class="op">=</span><span class="op">~</span><span class="va">position</span><span class="op">)</span></span></span>
<span class="r-plt img"><img src="Probe-3.png" alt="" width="700" height="433"></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># contrasts for substantative hypotheses regarding</span></span></span>
<span class="r-in"><span><span clas