diff --git a/mod/quiz/edit.php b/mod/quiz/edit.php
index c5e75e1dcc2..3f483c04a2f 100644
--- a/mod/quiz/edit.php
+++ b/mod/quiz/edit.php
@@ -522,8 +522,7 @@ if (!$quiz_reordertool) {
 
 $notifystrings = array();
 if ($quizhasattempts) {
-    $reviewlink = '<a href="' . $CFG->wwwroot . '/mod/quiz/report.php?mode=overview&amp;id=' . $cm->id . '">' .
-            quiz_num_attempt_summary($quiz, $cm) . '</a>';
+    $reviewlink = quiz_attempt_summary_link_to_reports($quiz, $cm, $contexts->lowest());
     $notifystrings[] = get_string('cannoteditafterattempts', 'quiz', $reviewlink);
 }
 if ($quiz->shufflequestions) {
diff --git a/mod/quiz/index.php b/mod/quiz/index.php
index 125eac406d9..351b5051596 100644
--- a/mod/quiz/index.php
+++ b/mod/quiz/index.php
@@ -138,14 +138,9 @@
         if ($showing == 'stats') {
             // The $quiz objects returned by get_all_instances_in_course have the necessary $cm
             // fields set to make the following call work.
-            $attemptcount = quiz_num_attempt_summary($quiz, $quiz);
-            if ($attemptcount) {
-                $data[] = "<a$class href=\"report.php?id=$quiz->coursemodule\">$attemptcount</a>";
-            } else {
-                $data[] = '';
-            }
-        } else if ($showing == 'scores') {
+            $data[] = quiz_attempt_summary_link_to_reports($quiz, $cm, $context);
 
+        } else if ($showing == 'scores') {
             // Grade and feedback.
             $attempts = quiz_get_user_attempts($quiz->id, $USER->id, 'all');
             list($someoptions, $alloptions) = quiz_get_combined_reviewoptions($quiz, $attempts, $context);
diff --git a/mod/quiz/lib.php b/mod/quiz/lib.php
index b713abc788d..23810ce267e 100644
--- a/mod/quiz/lib.php
+++ b/mod/quiz/lib.php
@@ -1510,9 +1510,6 @@ function quiz_print_overview($courses, &$htmlarray) {
  * Return a textual summary of the number of attemtps that have been made at a particular quiz,
  * returns '' if no attemtps have been made yet, unless $returnzero is passed as true.
  *
- * @global stdClass
- * @global object
- * @global object
  * @param object $quiz the quiz object. Only $quiz->id is used at the moment.
  * @param object $cm the cm object. Only $cm->course, $cm->groupmode and $cm->groupingid fields are used at the moment.
  * @param boolean $returnzero if false (default), when no attempts have been made '' is returned instead of 'Attempts: 0'.
@@ -1522,7 +1519,7 @@ function quiz_print_overview($courses, &$htmlarray) {
  *          "Attemtps 123 (45 from this group)".
  */
 function quiz_num_attempt_summary($quiz, $cm, $returnzero = false, $currentgroup = 0) {
-    global $CFG, $USER, $DB;
+    global $DB, $USER;
     $numattempts = $DB->count_records('quiz_attempts', array('quiz'=> $quiz->id, 'preview'=>0));
     if ($numattempts || $returnzero) {
         if (groups_get_activity_groupmode($cm)) {
@@ -1549,13 +1546,31 @@ function quiz_num_attempt_summary($quiz, $cm, $returnzero = false, $currentgroup
 }
 
 /**
- * @uses FEATURE_GROUPS
- * @uses FEATURE_GROUPINGS
- * @uses FEATURE_GROUPMEMBERSONLY
- * @uses FEATURE_MOD_INTRO
- * @uses FEATURE_COMPLETION_TRACKS_VIEWS
- * @uses FEATURE_GRADE_HAS_GRADE
- * @uses FEATURE_GRADE_OUTCOMES
+ * Returns the same as {@link quiz_num_attempt_summary()} but wrapped in a link
+ * to the quiz reports.
+ *
+ * @param object $quiz the quiz object. Only $quiz->id is used at the moment.
+ * @param object $cm the cm object. Only $cm->course, $cm->groupmode and $cm->groupingid fields are used at the moment.
+ * @param object $context the quiz context.
+ * @param boolean $returnzero if false (default), when no attempts have been made '' is returned instead of 'Attempts: 0'.
+ * @param int $currentgroup if there is a concept of current group where this method is being called
+ *         (e.g. a report) pass it in here. Default 0 which means no current group.
+ * @return string HTML fragment for the link.
+ */
+function quiz_attempt_summary_link_to_reports($quiz, $cm, $context, $returnzero = false, $currentgroup = 0) {
+    global $CFG;
+    $summary = quiz_num_attempt_summary($quiz, $cm, $returnzero, $currentgroup);
+    if (!$summary) {
+        return '';
+    }
+
+    require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php');
+    $url = new moodle_url('/mod/quiz/report.php', array(
+            'id' => $cm->id, 'mode' => quiz_report_default_report($context)));
+    return html_writer::link($url, $summary);
+}
+
+/**
  * @param string $feature FEATURE_xx constant for requested feature
  * @return bool True if quiz supports feature
  */
@@ -1606,22 +1621,22 @@ function quiz_extend_navigation($quiznode, $course, $module, $cm) {
 
     if (has_capability('mod/quiz:view', $context)) {
         $url = new moodle_url('/mod/quiz/view.php', array('id'=>$cm->id));
-        $quiznode->add(get_string('info', 'quiz'), $url, navigation_node::TYPE_SETTING, null, null, new pix_icon('i/info', ''));
+        $quiznode->add(get_string('info', 'quiz'), $url, navigation_node::TYPE_SETTING,
+                null, null, new pix_icon('i/info', ''));
     }
 
     if (has_capability('mod/quiz:viewreports', $context)) {
-        $url = new moodle_url('/mod/quiz/report.php', array('q'=>$cm->instance));
-        $reportnode = $quiznode->add(get_string('results', 'quiz'), $url, navigation_node::TYPE_SETTING, null, null, new pix_icon('i/report', ''));
-
         require_once($CFG->dirroot.'/mod/quiz/report/reportlib.php');
         $reportlist = quiz_report_list($context);
+
+        $url = new moodle_url('/mod/quiz/report.php', array('id' => $cm->id, 'mode' => reset($reportlist)));
+        $reportnode = $quiznode->add(get_string('results', 'quiz'), $url, navigation_node::TYPE_SETTING,
+                null, null, new pix_icon('i/report', ''));
+
         foreach ($reportlist as $report) {
-            if ($report != 'overview') {
-                $url = new moodle_url('/mod/quiz/report.php', array('q'=>$cm->instance, 'mode'=>$report));
-            } else {
-                $url = new moodle_url('/mod/quiz/report.php', array('q'=>$cm->instance));
-            }
-            $reportnode->add(get_string($report, 'quiz_'.$report), $url, navigation_node::TYPE_SETTING, null, null, new pix_icon('i/item', ''));
+            $url = new moodle_url('/mod/quiz/report.php', array('id' => $cm->id, 'mode' => $report));
+            $reportnode->add(get_string($report, 'quiz_'.$report), $url, navigation_node::TYPE_SETTING,
+                    null, null, new pix_icon('i/item', ''));
         }
     }
 }
diff --git a/mod/quiz/locallib.php b/mod/quiz/locallib.php
index 42a6f66a01c..85ea4bf02d5 100644
--- a/mod/quiz/locallib.php
+++ b/mod/quiz/locallib.php
@@ -1118,11 +1118,11 @@ function quiz_send_notification_emails($course, $quiz, $attempt, $context, $cm)
         $a->courseshortname = $course->shortname;
         // quiz info
         $a->quizname = $quiz->name;
-        $a->quizreporturl = $CFG->wwwroot . '/mod/quiz/report.php?q=' . $quiz->id;
+        $a->quizreporturl = $CFG->wwwroot . '/mod/quiz/report.php?id=' . $cm->id;
         $a->quizreportlink = '<a href="' . $a->quizreporturl . '">' . format_string($quiz->name) . ' report</a>';
         $a->quizreviewurl = $CFG->wwwroot . '/mod/quiz/review.php?attempt=' . $attempt->id;
         $a->quizreviewlink = '<a href="' . $a->quizreviewurl . '">' . format_string($quiz->name) . ' review</a>';
-        $a->quizurl = $CFG->wwwroot . '/mod/quiz/view.php?q=' . $quiz->id;
+        $a->quizurl = $CFG->wwwroot . '/mod/quiz/view.php?id=' . $cm->id;
         $a->quizlink = '<a href="' . $a->quizurl . '">' . format_string($quiz->name) . '</a>';
         // attempt info
         $a->submissiontime = userdate($attempt->timefinish);
diff --git a/mod/quiz/report.php b/mod/quiz/report.php
index c406a305770..33ff1c585b4 100644
--- a/mod/quiz/report.php
+++ b/mod/quiz/report.php
@@ -36,12 +36,7 @@
         }
     }
 
-    $url = new moodle_url('/mod/quiz/report.php');
-    if ($id !== 0) {
-        $url->param('id', $id);
-    } else {
-        $url->param('q', $q);
-    }
+    $url = new moodle_url('/mod/quiz/report.php', array('id' => $cm->id));
     if ($mode !== '') {
         $url->param('mode', $mode);
     }
@@ -54,15 +49,17 @@
     if (count($reportlist)==0){
         print_error('erroraccessingreport', 'quiz');
     }
-    if ($mode == ''){
-        $mode = reset($reportlist);//first element in array
-    } elseif (!in_array($mode, $reportlist)){
+    if ($mode == '') {
+        // Default to first accessible report and redirect.
+        $url->param('mode', reset($reportlist));
+        redirect($url);
+    } else if (!in_array($mode, $reportlist)){
         print_error('erroraccessingreport', 'quiz');
     }
 
     // if no questions have been set up yet redirect to edit.php
     if (!$quiz->questions and has_capability('mod/quiz:manage', $context)) {
-        redirect('edit.php?cmid='.$cm->id);
+        redirect('edit.php?cmid=' . $cm->id);
     }
 
     // Upgrade any attempts that have not yet been upgraded to the
@@ -79,17 +76,17 @@
 
 /// Open the selected quiz report and display it
 
-    if (! is_readable("report/$mode/report.php")) {
+    if (!is_readable("report/$mode/report.php")) {
         print_error('reportnotfound', 'quiz', '', $mode);
     }
 
-    include("report/default.php");  // Parent class
+    include("report/default.php"); // Parent class
     include("report/$mode/report.php");
 
     $reportclassname = "quiz_{$mode}_report";
     $report = new $reportclassname();
 
-    if (! $report->display($quiz, $cm, $course)) {             // Run the report!
+    if (!$report->display($quiz, $cm, $course)) { // Run the report!
         print_error("preprocesserror", 'quiz');
     }
 
diff --git a/mod/quiz/report/overview/report.php b/mod/quiz/report/overview/report.php
index 6790a9155e0..568d06e141b 100644
--- a/mod/quiz/report/overview/report.php
+++ b/mod/quiz/report/overview/report.php
@@ -56,7 +56,6 @@ class quiz_overview_report extends quiz_default_report {
 
         $pageoptions = array();
         $pageoptions['id'] = $cm->id;
-        $pageoptions['q'] = $quiz->id;
         $pageoptions['mode'] = 'overview';
 
         $reporturl = new moodle_url('/mod/quiz/report.php', $pageoptions);
diff --git a/mod/quiz/report/reportlib.php b/mod/quiz/report/reportlib.php
index 0534c54a93f..e40201ed813 100644
--- a/mod/quiz/report/reportlib.php
+++ b/mod/quiz/report/reportlib.php
@@ -347,14 +347,14 @@ function quiz_report_scale_sumgrades_as_percentage($rawgrade, $quiz, $round = tr
  * Returns an array of reports to which the current user has access to.
  * Reports are ordered as they should be for display in tabs.
  */
-function quiz_report_list($context){
+function quiz_report_list($context) {
     global $DB;
     static $reportlist = null;
     if (!is_null($reportlist)){
         return $reportlist;
     }
     $reports = $DB->get_records('quiz_report', null, 'displayorder DESC', 'name, capability');
-    $reportdirs = get_plugin_list("quiz");
+    $reportdirs = get_plugin_list('quiz');
 
     // Order the reports tab in descending order of displayorder
     $reportcaps = array();
@@ -382,4 +382,10 @@ function quiz_report_list($context){
     return $reportlist;
 }
 
-
+/**
+ * Get the default report for the current user.
+ * @param object $context the quiz context.
+ */
+function quiz_report_default_report($context) {
+    return reset(quiz_report_list($context));
+}
diff --git a/mod/quiz/report/responses/report.php b/mod/quiz/report/responses/report.php
index 126ff50bb2f..b2171254ec0 100644
--- a/mod/quiz/report/responses/report.php
+++ b/mod/quiz/report/responses/report.php
@@ -35,7 +35,6 @@ class quiz_responses_report extends quiz_default_report {
 
         $pageoptions = array();
         $pageoptions['id'] = $cm->id;
-        $pageoptions['q'] = $quiz->id;
         $pageoptions['mode'] = 'responses';
 
         $reporturl = new moodle_url('/mod/quiz/report.php', $pageoptions);
diff --git a/mod/quiz/report/statistics/report.php b/mod/quiz/report/statistics/report.php
index 1c809d5c629..4cb3dfaf0d5 100644
--- a/mod/quiz/report/statistics/report.php
+++ b/mod/quiz/report/statistics/report.php
@@ -33,7 +33,6 @@ class quiz_statistics_report extends quiz_default_report {
         $qid = optional_param('qid', 0, PARAM_INT);
         $pageoptions = array();
         $pageoptions['id'] = $cm->id;
-        $pageoptions['q'] = $quiz->id;
         $pageoptions['mode'] = 'statistics';
 
         $questions = quiz_report_load_questions($quiz);
@@ -42,7 +41,6 @@ class quiz_statistics_report extends quiz_default_report {
             print_error('cannotloadquestion', 'question');
         }
 
-
         $reporturl = new moodle_url('/mod/quiz/report.php', $pageoptions);
 
         $mform = new mod_quiz_report_statistics($reporturl);
diff --git a/mod/quiz/view.php b/mod/quiz/view.php
index 97065818341..920d8af490f 100644
--- a/mod/quiz/view.php
+++ b/mod/quiz/view.php
@@ -102,9 +102,8 @@
 
 /// Show number of attempts summary to those who can view reports.
     if (has_capability('mod/quiz:viewreports', $context)) {
-        if ($strattemptnum = quiz_num_attempt_summary($quiz, $cm)) {
-            echo '<div class="quizattemptcounts"><a href="report.php?mode=overview&amp;id=' .
-                    $cm->id . '">' . $strattemptnum . "</a></div>\n";
+        if ($strattemptnum = quiz_attempt_summary_link_to_reports($quiz, $cm, $context)) {
+            echo '<div class="quizattemptcounts">' . $strattemptnum . "</div>\n";
         }
     }