diff --git a/main/inc/lib/exercise.lib.php b/main/inc/lib/exercise.lib.php
index b09f1602b5..6b003d9418 100644
--- a/main/inc/lib/exercise.lib.php
+++ b/main/inc/lib/exercise.lib.php
@@ -5654,7 +5654,7 @@ EOT;
         return $total;
     }
 
-    public static function getWrongQuestionResults($courseId, $exerciseId, $limit = 10)
+    public static function getWrongQuestionResults($courseId, $exerciseId, $sessionId = 0, $limit = 10)
     {
         $courseId = (int) $courseId;
         $exerciseId = (int) $exerciseId;
@@ -5664,6 +5664,11 @@ EOT;
         $attemptTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
         $trackTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 
+        $sessionCondition = '';
+        if (!empty($sessionId)) {
+            $sessionCondition = api_get_session_condition($sessionId, true, false, 'te.session_id');
+        }
+
         $sql = "SELECT q.question, question_id, count(q.iid) count
                 FROM $attemptTable t
                 INNER JOIN $questionTable q
@@ -5675,6 +5680,7 @@ EOT;
                     t.marks != q.ponderation AND
                     exe_exo_id = $exerciseId AND
                     status != 'incomplete'
+                    $sessionCondition
                 GROUP BY q.iid
                 ORDER BY count DESC
                 LIMIT $limit
@@ -5684,4 +5690,54 @@ EOT;
 
         return Database::store_result($result, 'ASSOC');
     }
+
+    public static function getExerciseResultsCount($type, $courseId, $exerciseId, $sessionId = 0)
+    {
+        $courseId = (int) $courseId;
+        $exerciseId = (int) $exerciseId;
+
+        $trackTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
+
+        $sessionCondition = '';
+        if (!empty($sessionId)) {
+            $sessionCondition = api_get_session_condition($sessionId, true, false, 'te.session_id');
+        }
+
+        $selectCount = 'count(DISTINCT te.exe_id)';
+        $scoreCondition = '';
+        switch ($type) {
+            case 'correct_student':
+                $selectCount = 'count(DISTINCT te.exe_user_id)';
+                $scoreCondition = ' AND exe_result = exe_weighting ';
+                break;
+            case 'wrong_student':
+                $selectCount = 'count(DISTINCT te.exe_user_id)';
+                $scoreCondition = ' AND  exe_result != exe_weighting ';
+                break;
+            case 'correct':
+                $scoreCondition = ' AND exe_result = exe_weighting ';
+                break;
+            case 'wrong':
+                $scoreCondition = ' AND exe_result != exe_weighting ';
+                break;
+        }
+
+        $sql = "SELECT $selectCount count
+                FROM $trackTable te
+                WHERE
+                    c_id = $courseId AND
+                    exe_exo_id = $exerciseId AND
+                    status != 'incomplete'
+                    $scoreCondition
+                    $sessionCondition
+        ";
+        $result = Database::query($sql);
+        $totalRow = Database::fetch_array($result, 'ASSOC');
+        $total = 0;
+        if ($totalRow) {
+            $total = (int) $totalRow['count'];
+        }
+
+        return $total;
+    }
 }
diff --git a/main/mySpace/course.php b/main/mySpace/course.php
index 6cf6fd4a4a..82dfa8b796 100755
--- a/main/mySpace/course.php
+++ b/main/mySpace/course.php
@@ -102,11 +102,23 @@ if (api_is_platform_admin(true, true)) {
         );
         $menu_items[] = Display::url(
             Display::return_icon('session.png', get_lang('Sessions'), [], ICON_SIZE_MEDIUM),
-            'session.php'
+            api_get_path(WEB_CODE_PATH).'mySpace/session.php'
         );
+
+        $menu_items[] = Display::url(
+            get_lang('QuestionStats'),
+            api_get_path(WEB_CODE_PATH).'mySpace/question_stats_global.php'
+        );
+
+        $menu_items[] = Display::url(
+            get_lang('QuestionStatsDetail'),
+            api_get_path(WEB_CODE_PATH).'mySpace/question_stats_global_detail.php'
+        );
+
         if (api_can_login_as($user_id)) {
-            $link = '<a href="'.api_get_path(WEB_CODE_PATH).'admin/user_list.php?action=login_as&amp;user_id='.$user_id.'&amp;sec_token='.Security::get_existing_token().'">'.
-                    Display::return_icon('login_as.png', get_lang('LoginAs'), null, ICON_SIZE_MEDIUM).'</a>&nbsp;&nbsp;';
+            $link = '<a
+                href="'.api_get_path(WEB_CODE_PATH).'admin/user_list.php?action=login_as&amp;user_id='.$user_id.'&amp;sec_token='.Security::get_existing_token().'">'.
+                Display::return_icon('login_as.png', get_lang('LoginAs'), null, ICON_SIZE_MEDIUM).'</a>&nbsp;&nbsp;';
             $menu_items[] = $link;
         }
     }
diff --git a/main/mySpace/question_stats_global.php b/main/mySpace/question_stats_global.php
new file mode 100644
index 0000000000..77d76cc04f
--- /dev/null
+++ b/main/mySpace/question_stats_global.php
@@ -0,0 +1,162 @@
+<?php
+
+/* For licensing terms, see /license.txt */
+
+$cidReset = true;
+require_once __DIR__.'/../inc/global.inc.php';
+$this_section = SECTION_TRACKING;
+
+api_block_anonymous_users();
+
+$allowToTrack = api_is_platform_admin(true, true) || api_is_teacher();
+
+if (!$allowToTrack) {
+    api_not_allowed(true);
+}
+
+$interbreadcrumb[] = ["url" => "index.php", "name" => get_lang('MySpace')];
+
+$courseIdList = isset($_REQUEST['courses']) ? $_REQUEST['courses'] : [];
+$exercises = isset($_REQUEST['exercises']) ? $_REQUEST['exercises'] : [];
+
+$courseOptions = [];
+$exercisesList = [];
+$selectedExercises = [];
+if (!empty($courseIdList)) {
+    foreach ($courseIdList as $courseId) {
+        $courseInfo = api_get_course_info_by_id($courseId);
+        $courseExerciseList = ExerciseLib::get_all_exercises(
+            $courseInfo,
+            0,
+            false,
+            null,
+            false,
+            3
+        );
+
+        if (!empty($courseExerciseList)) {
+            foreach ($courseExerciseList as $exercise) {
+                $exerciseId = $exercise['iid'];
+                if (in_array( $exerciseId, $exercises)) {
+                    $selectedExercises[$courseId][] = $exerciseId;
+                }
+            }
+            $exercisesList += array_column($courseExerciseList, 'title', 'iid');
+        }
+        $courseOptions[$courseId] = $courseInfo['name'];
+    }
+}
+
+$exercisesList = array_unique($exercisesList);
+
+$form = new FormValidator('search_form', 'GET', api_get_self());
+$form->addSelectAjax(
+    'courses',
+    get_lang('Course'),
+    $courseOptions,
+    [
+        'url' => api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=search_course',
+        'multiple' => true
+    ]
+);
+
+if (!empty($courseIdList)) {
+    $form->addSelect(
+        'exercises',
+        get_lang('Exercise'),
+        $exercisesList,
+        [
+            'multiple' => true,
+        ]
+    );
+}
+
+$form->setDefaults(['course_id_list' => array_keys($courseOptions)]);
+$form->addButtonSearch(get_lang('Search'));
+
+$tableContent = '';
+if ($form->validate()) {
+    $headers = [
+        get_lang('Course'),
+        get_lang('Exercise'),
+        get_lang('Question'),
+        get_lang('WrongAnswer').' / '.get_lang('Total'),
+        '%',
+    ];
+    /*$table = new HTML_Table(['class' => 'table table-hover table-striped']);
+    $row = 0;
+    $column = 0;
+    foreach ($headers as $header) {
+        $table->setHeaderContents($row, $column, $header);
+        $column++;
+    }
+    $row++;*/
+    $scoreDisplay = new ScoreDisplay();
+    $exercises = $form->getSubmitValue('exercises');
+    if ($exercises) {
+        $orderedData = [];
+        foreach ($selectedExercises as $courseId => $exerciseList) {
+            foreach ($exerciseList as $exerciseId) {
+                $questions = ExerciseLib::getWrongQuestionResults($courseId, $exerciseId, null,10);
+                foreach ($questions as $data) {
+                    $questionId = (int) $data['question_id'];
+                    $total = ExerciseLib::getTotalQuestionAnswered($courseId, $exerciseId, $questionId);
+                    /*$column = 0;
+                    $table->setCellContents($row, $column++, $courseOptions[$courseId]);
+                    $table->setCellContents($row, $column++, $exercisesList[$exerciseId]);
+                    $table->setCellContents($row, $column++, $data['question']);
+                    $table->setCellContents($row, $column++, $data['count'].' / '.$total);
+                    $percentage = $data['count']/$total;
+                    $table->setCellContents(
+                        $row,
+                        $column++,
+                        $scoreDisplay->display_score([$data['count'], $total], SCORE_AVERAGE)
+                    );
+                    $row++;*/
+                    $orderedData[] = [
+                        $courseOptions[$courseId],
+                        $exercisesList[$exerciseId],
+                        $data['question'],
+                        $data['count'].' / '.$total,
+                        $scoreDisplay->display_score([$data['count'], $total], SCORE_AVERAGE),
+                    ];
+                }
+            }
+        }
+
+        $table = new SortableTableFromArray(
+            $orderedData,
+            1,
+            20,
+            'question_tracking'
+        );
+        $table->column = 4;
+        $column = 0;
+        foreach ($headers as $header) {
+            $table->set_header($column,  $header, false);
+            $column++;
+        }
+
+        $tableContent = $table->return_table();
+    }
+}
+
+$nameTools = get_lang('ExerciseManagement');
+$htmlHeadXtra[] = '<script>
+$(function() {
+ $("#search_form").submit();
+    $("#search_form_courses").on("change", function (e) {
+       $("#search_form_exercises").parent().parent().parent().hide();
+       $("#search_form_exercises").each(function() {
+            $(this).remove();
+        });
+    });
+});
+</script>';
+
+
+Display::display_header($nameTools, get_lang('Exercise'));
+$form->display();
+echo $tableContent;
+
+Display::display_footer();
diff --git a/main/mySpace/question_stats_global_detail.php b/main/mySpace/question_stats_global_detail.php
new file mode 100644
index 0000000000..4069cf2e7f
--- /dev/null
+++ b/main/mySpace/question_stats_global_detail.php
@@ -0,0 +1,163 @@
+<?php
+
+/* For licensing terms, see /license.txt */
+
+$cidReset = true;
+require_once __DIR__.'/../inc/global.inc.php';
+$this_section = SECTION_TRACKING;
+
+api_block_anonymous_users();
+
+$allowToTrack = api_is_platform_admin(true, true) || api_is_teacher();
+
+if (!$allowToTrack) {
+    api_not_allowed(true);
+}
+
+$interbreadcrumb[] = ["url" => "index.php", "name" => get_lang('MySpace')];
+
+$courseIdList = isset($_REQUEST['courses']) ? $_REQUEST['courses'] : [];
+$exercises = isset($_REQUEST['exercises']) ? $_REQUEST['exercises'] : [];
+
+$courseOptions = [];
+$exercisesList = [];
+$selectedExercises = [];
+if (!empty($courseIdList)) {
+    foreach ($courseIdList as $courseId) {
+        $courseInfo = api_get_course_info_by_id($courseId);
+        $courseExerciseList = ExerciseLib::get_all_exercises(
+            $courseInfo,
+            0,
+            false,
+            null,
+            false,
+            3
+        );
+
+        if (!empty($courseExerciseList)) {
+            foreach ($courseExerciseList as $exercise) {
+                $exerciseId = $exercise['iid'];
+                if (in_array( $exerciseId, $exercises)) {
+                    $selectedExercises[$courseId][] = $exerciseId;
+                }
+            }
+            $exercisesList += array_column($courseExerciseList, 'title', 'iid');
+        }
+        $courseOptions[$courseId] = $courseInfo['name'];
+    }
+}
+
+$exercisesList = array_unique($exercisesList);
+
+$form = new FormValidator('search_form', 'GET', api_get_self());
+$form->addSelectAjax(
+    'courses',
+    get_lang('Course'),
+    $courseOptions,
+    [
+        'url' => api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=search_course',
+        'multiple' => true
+    ]
+);
+
+if (!empty($courseIdList)) {
+    $form->addSelect(
+        'exercises',
+        get_lang('Exercise'),
+        $exercisesList,
+        [
+            'multiple' => true,
+        ]
+    );
+}
+
+$form->setDefaults(['course_id_list' => array_keys($courseOptions)]);
+$form->addButtonSearch(get_lang('Search'));
+
+$tableContent = '';
+if ($form->validate()) {
+    $headers = [
+        get_lang('Session'),
+        get_lang('CorrectAttempts'),
+        get_lang('WrongAttempts'),
+        get_lang('StudentWithCorrectAnswers'),
+        get_lang('StudentWithWrongAnswers')
+    ];
+    $scoreDisplay = new ScoreDisplay();
+    $exercises = $form->getSubmitValue('exercises');
+
+    if ($exercises) {
+        foreach ($selectedExercises as $courseId => $exerciseList) {
+            $sessions = SessionManager::get_session_by_course($courseId );
+            $courseTitle = $courseOptions[$courseId];
+
+            foreach ($exerciseList as $exerciseId) {
+                $exerciseTitle = $exercisesList[$exerciseId];
+                $tableContent .= Display::page_subheader2($courseTitle.' - '.$exerciseTitle);
+
+                $orderedData = [];
+                foreach ($sessions as $session) {
+                    $sessionId = $session['id'];
+                    $correctCount = ExerciseLib::getExerciseResultsCount('correct', $courseId, $exerciseId, $sessionId);
+                    $wrongCount = ExerciseLib::getExerciseResultsCount('wrong', $courseId, $exerciseId, $sessionId);
+
+                    $correctCountStudent = ExerciseLib::getExerciseResultsCount(
+                        'correct_student',
+                        $courseId,
+                        $exerciseId,
+                        $sessionId
+                    );
+                    $wrongCountStudent = ExerciseLib::getExerciseResultsCount(
+                        'wrong_student',
+                        $courseId,
+                        $exerciseId,
+                        $sessionId
+                    );
+
+                    $questions = ExerciseLib::getWrongQuestionResults($courseId, $exerciseId, $sessionId, 10);
+                    $orderedData[] = [
+                        $session['name'],
+                        $correctCount,
+                        $wrongCount,
+                        $correctCountStudent,
+                        $wrongCountStudent
+                    ];
+                }
+
+                $table = new SortableTableFromArray(
+                    $orderedData,
+                    1,
+                    20,
+                    uniqid('question_tracking_')
+                );
+                $column = 0;
+                foreach ($headers as $header) {
+                    $table->set_header($column,  $header, false);
+                    $column++;
+                }
+                $tableContent .= $table->return_table();
+            }
+        }
+
+    }
+}
+
+$nameTools = get_lang('ExerciseManagement');
+$htmlHeadXtra[] = '<script>
+$(function() {
+ $("#search_form").submit();
+    $("#search_form_courses").on("change", function (e) {
+       $("#search_form_exercises").parent().parent().parent().hide();
+       $("#search_form_exercises").each(function() {
+            $(this).remove();
+        });
+    });
+});
+</script>';
+
+
+Display::display_header($nameTools, get_lang('Exercise'));
+$form->display();
+echo $tableContent;
+
+Display::display_footer();