1.0Physics Education Research Laboratoryhttps://umaine.edu/perrich900600<blockquote class="wp-embedded-content" data-secret="OBXrMx1hGC"><a href="https://umaine.edu/per/2010/05/19/new-publications/">New publications: Hayes & Wittmann; Springuel, Wittmann & Thompson</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://umaine.edu/per/2010/05/19/new-publications/embed/#?secret=OBXrMx1hGC" width="100%" height="338" title="“New publications: Hayes & Wittmann; Springuel, Wittmann & Thompson” — Physics Education Research Laboratory" data-secret="OBXrMx1hGC" 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); /* ]]> */ </script> We have been remiss in sharing evidence of our publications here. Hayes and Wittmann on the use of signs in mechanics problem solving, April 2010 in The Physics Teacher. Springuel, Wittmann, and Thompson with Erratum: Applying clustering to statistical analysis of student reasoning about two-dimensional kinematics [Phys Rev. ST Phys. Educ. Res. 3, 020107 (2007)], […]