1.0Teaching and Learning Services/tlscuthemeedtr5/tls/author/cuthemeedtr5/rich600338<blockquote class="wp-embedded-content" data-secret="vqQ9V4BRqy"><a href="/tls/2017/blog-considerations-assessing-impact/">Blog: Considerations for assessing impact</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/tls/2017/blog-considerations-assessing-impact/embed/#?secret=vqQ9V4BRqy" width="600" height="338" title="“Blog: Considerations for assessing impact” — Teaching and Learning Services" data-secret="vqQ9V4BRqy" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=/tls/wp-includes/js/wp-embed.min.js /* ]]> */ </script> By Kevin Cheung, Associate Professor, School of Mathematics and Statistics When instructors make changes in their teaching, they often want to know the impact of such changes.  Even though countless studies in higher education exist in the literature, conducting a proper study that meets statistical rigour is hardly a walk in the park. As an […]