li>
<li class="chapter" data-level="1.2" data-path="ch-introduction.html"><a href="ch-introduction.html#sec:paradigms"><i class="fa fa-check"></i><b>1.2</b> Paradigms</a></li>
<li class="chapter" data-level="1.3" data-path="ch-introduction.html"><a href="ch-introduction.html#sec:instrument-validation"><i class="fa fa-check"></i><b>1.3</b> Instrument validation</a></li>
<li class="chapter" data-level="1.4" data-path="ch-introduction.html"><a href="ch-introduction.html#sec:descriptive-research"><i class="fa f