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<h2><span class="header-section-number">2.5</span> Suggested readings<a href="working-with-data.html#suggested-readings-1" class="anchor-section" aria-label="Anchor link to header"></a></h2>
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<li><a href="http://www.personality-project.org/r/book/"><em>An Introduction to Psychometric Theory with Applications in R</em></a> - A free online textbook on psychological measurement</li>
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<div id="appendix" class="section level2 hasAnchor" number="2.