</span><span class="fl">1</span><span class="op">]</span></span>
<span></span>
<span><span class="co">#******************</span></span>
<span><span class="co">#*** Model 1: Rasch model for T1</span></span>
<span><span class="va">lavmodel</span> <span class="op">&lt;-</span> <span class="st">"</span></span>
<span><span class="st">     F=~ 1*I1T1 +1*I2T1+1*I3T1+1*I4T1+1*I5T1+1*I6T1</span></span>
<span><span class="st">     F ~~ F</span></span>
<span><span class="st">            "</span></span>
<span><span cla