../../testing-content/content-simple-checks">Simple ways to check content</a></li><li class="navigation__item"><a class="navigation__item__anchor" href="../../testing-content/test-content-with-users">Test content with users</a></li></ul></li><li class="navigation__item"><a class="navigation__item__anchor" href="../../understanding-diversity">Understanding diversity</a></li></ul></li></ul></li></ul></div></div><div class="textwrapper intro__textwrapper__withnav"><h1 class="intro__headline">Mental modelling</