1.0Psychology/psychologycuthemeedtr5/psychology/author/cuthemeedtr5/rich600338<blockquote class="wp-embedded-content" data-secret="sKqvnifKWk"><a href="/psychology/people/jo-anne-lefevre/">Jo-Anne LeFevre</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/psychology/people/jo-anne-lefevre/embed/#?secret=sKqvnifKWk" width="600" height="338" title="“Jo-Anne LeFevre” — Psychology" data-secret="sKqvnifKWk" 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=/psychology/wp-includes/js/wp-embed.min.js /* ]]> */ </script> /psychology/wp-content/uploads/sites/227/Jo-Anne.jpg481534Research Interests My research interests are in cognitive development and cognition, focusing on individual differences and developmental differences in mathematics. We are currently pursuing various topics in numerical cognition including (a) the types of mental codes adults use to solve arithmetic problems, (b) the role of working memory in mental arithmetic, and (c) the development […]