diff --git a/app/views/surveys/show.html.erb b/app/views/surveys/show.html.erb
index 55c450f..bdf657b 100644
--- a/app/views/surveys/show.html.erb
+++ b/app/views/surveys/show.html.erb
@@ -308,7 +308,11 @@
 	<%= javascript_include_tag "lib/jquery.form"%>
 
 	<script type="text/javascript">
-	 
+	$(document).ready(function(){
+		$('.o-question-group input').on('click',function(){
+			$(this).parents('.question-item').find('.question-checkbox').prop('checked',true);
+		})
+	})
 	<% if @survey.jump_mode %>
 	  var answers = <%= @answers.to_json %>;
 	  var jump_tos_map = <%= @jump_tos_map.to_json %>;