diff --git a/behaviour.php b/behaviour.php
index 22c6a61..5c7f708 100644
--- a/behaviour.php
+++ b/behaviour.php
@@ -30,9 +30,7 @@
  */
 defined('MOODLE_INTERNAL') || die();
 
-class qbehaviour_extquiz extends question_behaviour_with_save {
-
-    const IS_ARCHETYPAL = true;
+class qbehaviour_extquiz extends question_behaviour_with_multiple_tries {
 
     /**
      * Special value used for {@link question_display_options::$readonly when
@@ -95,7 +93,6 @@ public function get_state_string($showcorrectness) {
         }
 
         $remainingattempts = $this->get_remaining_attempts();
-        //debugging('get_state_string: remainingattempts = ' . $remainingattempts);
         return get_string('triesremaining', 'qbehaviour_interactive', $remainingattempts);
     }
 
@@ -183,34 +180,17 @@ public function process_finish(question_attempt_pending_step $pendingstep) {
         return question_attempt::KEEP;
     }
 
-    //NOT USED
+
     public function process_save(question_attempt_pending_step $pendingstep) {
         
-        //$status = parent::process_save($pendingstep);
-        //debugging("in proces saveeeeeeee!!, question = ".$this->question->name." state = ".$pendingstep->get_state()); 
         $prevgrade = $this->qa->get_fraction();
         //si la pregunta no estava puntuada (next)
         if(is_null($prevgrade)){
-            //debugging("previous graded NULL");
             $this->process_next_without_answer($pendingstep);
         }else{
-            //list($fraction, $state) = $this->question->grade_response($prevgrade);
-            //die();
             $pendingstep->set_fraction($prevgrade);
             $pendingstep->set_state($this->qa->get_state());
         }
-        //$pendingstep->set_state(question_state::$todo);
-        /*
-        $prevgrade = $this->qa->get_fraction();
-        if (!is_null($prevgrade)) {     //ja ha estat puntuada
-            debugging("prevgraded: with grade = ".$prevgrade);
-            $pendingstep->set_fraction($prevgrade);
-            $pendingstep->set_state(question_state::$todo);
-        }else{
-            debugging("process without answer");
-            $this->process_next_without_answer($pendingstep);
-        }
-        */
         return question_attempt::KEEP;
     }
 
diff --git a/behaviourtype.php b/behaviourtype.php
new file mode 100644
index 0000000..0e5893d
--- /dev/null
+++ b/behaviourtype.php
@@ -0,0 +1,43 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Question behaviour type for interactive behaviour.
+ *
+ * @package    qbehaviour_extquiz
+ * @copyright  2014 Gerard Cuello <gerard.urv@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+defined('MOODLE_INTERNAL') || die();
+
+
+/**
+ * Question behaviour type information for extquiz behaviour
+ *
+ * @copyright  2012 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class qbehaviour_extquiz_type extends question_behaviour_type {
+    public function is_archetypal() {
+        return true;
+    }
+    //New in Moodle 2.7
+    public function allows_multiple_submitted_responses() {
+        return true;
+    }
+}