1.0Policy Optionshttps://policyoptions.irpp.org/fr/rich600338<blockquote class="wp-embedded-content" data-secret="BPG30tDD7k"><a href="https://policyoptions.irpp.org/fr/authors/ron-melchers/">Ron Melchers</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://policyoptions.irpp.org/fr/authors/ron-melchers/embed/#?secret=BPG30tDD7k" width="600" height="338" title="“Ron Melchers” — Policy Options" data-secret="BPG30tDD7k" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! 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> https://policyoptions.irpp.org/wp-content/uploads/2017/04/rmelchers_avatar_1424375872-96x96.jpg9696Ron Melchers has been a professor of criminology at the University of Ottawa since 1983, specialising in research, statistics, evaluation, policy analysis and evidence reliability assessment. He is associate editor of the Canadian Journal of Criminology and Criminal Justice, and serves on the editorial board of the European Journal of Criminology, the academic advisory committee […]