diff --git a/mod/assign/mod_form.php b/mod/assign/mod_form.php
index c4a39e8bea1..3fe7be35aab 100644
--- a/mod/assign/mod_form.php
+++ b/mod/assign/mod_form.php
@@ -284,6 +284,8 @@ class mod_assign_mod_form extends moodleform_mod {
         $mform =& $this->_form;
 
         $mform->addElement('checkbox', 'completionsubmit', '', get_string('completionsubmit', 'assign'));
+        // Enable this completion rule by default.
+        $mform->setDefault('completionsubmit', 1);
         return array('completionsubmit');
     }
 
diff --git a/mod/choice/mod_form.php b/mod/choice/mod_form.php
index 512c051c652..f0cbef905ac 100644
--- a/mod/choice/mod_form.php
+++ b/mod/choice/mod_form.php
@@ -161,6 +161,8 @@ class mod_choice_mod_form extends moodleform_mod {
         $mform =& $this->_form;
 
         $mform->addElement('checkbox', 'completionsubmit', '', get_string('completionsubmit', 'choice'));
+        // Enable this completion rule by default.
+        $mform->setDefault('completionsubmit', 1);
         return array('completionsubmit');
     }
 
diff --git a/mod/feedback/mod_form.php b/mod/feedback/mod_form.php
index 81bd89b61e0..2ad64a226ea 100644
--- a/mod/feedback/mod_form.php
+++ b/mod/feedback/mod_form.php
@@ -204,6 +204,8 @@ class mod_feedback_mod_form extends moodleform_mod {
                            'completionsubmit',
                            '',
                            get_string('completionsubmit', 'feedback'));
+        // Enable this completion rule by default.
+        $mform->setDefault('completionsubmit', 1);
         return array('completionsubmit');
     }
 
diff --git a/mod/forum/mod_form.php b/mod/forum/mod_form.php
index 34465e3a8b2..df87079db0f 100644
--- a/mod/forum/mod_form.php
+++ b/mod/forum/mod_form.php
@@ -243,14 +243,18 @@ class mod_forum_mod_form extends moodleform_mod {
         if (empty($default_values['completionreplies'])) {
             $default_values['completionreplies']=1;
         }
-        $default_values['completionpostsenabled']=
-            !empty($default_values['completionposts']) ? 1 : 0;
+        // Tick by default if Add mode or if completion posts settings is set to 1 or more.
+        if (empty($this->_instance) || !empty($default_values['completionposts'])) {
+            $default_values['completionpostsenabled'] = 1;
+        } else {
+            $default_values['completionpostsenabled'] = 0;
+        }
         if (empty($default_values['completionposts'])) {
             $default_values['completionposts']=1;
         }
     }
 
-      function add_completion_rules() {
+    function add_completion_rules() {
         $mform =& $this->_form;
 
         $group=array();
diff --git a/mod/glossary/mod_form.php b/mod/glossary/mod_form.php
index 670cfd78de3..14f6d54139c 100644
--- a/mod/glossary/mod_form.php
+++ b/mod/glossary/mod_form.php
@@ -174,10 +174,12 @@ class mod_glossary_mod_form extends moodleform_mod {
         }
 
         // Set up the completion checkboxes which aren't part of standard data.
-        // We also make the default value (if you turn on the checkbox) for those
-        // numbers to be 1, this will not apply unless checkbox is ticked.
-        $default_values['completionentriesenabled']=
-            !empty($default_values['completionentries']) ? 1 : 0;
+        // Tick by default if Add mode or if completion entries settings is set to 1 or more.
+        if (empty($this->_instance) || !empty($default_values['completionentries'])) {
+            $default_values['completionentriesenabled'] = 1;
+        } else {
+            $default_values['completionentriesenabled'] = 0;
+        }
         if (empty($default_values['completionentries'])) {
             $default_values['completionentries']=1;
         }
diff --git a/mod/lesson/mod_form.php b/mod/lesson/mod_form.php
index 252c2b5c506..e3f168915d1 100644
--- a/mod/lesson/mod_form.php
+++ b/mod/lesson/mod_form.php
@@ -408,6 +408,8 @@ class mod_lesson_mod_form extends moodleform_mod {
 
         $mform->addElement('checkbox', 'completionendreached', get_string('completionendreached', 'lesson'),
                 get_string('completionendreached_desc', 'lesson'));
+        // Enable this completion rule by default.
+        $mform->setDefault('completionendreached', 1);
 
         $group = array();
         $group[] =& $mform->createElement('checkbox', 'completiontimespentenabled', '',
diff --git a/mod/scorm/mod_form.php b/mod/scorm/mod_form.php
index b53d09a85af..dc62658a7d6 100644
--- a/mod/scorm/mod_form.php
+++ b/mod/scorm/mod_form.php
@@ -519,6 +519,10 @@ class mod_scorm_mod_form extends moodleform_mod {
                 $firstkey = $key;
             }
             $mform->addElement('checkbox', $key, $name, $value);
+            // Default completion rule that requires the SCORM's status be set to "Completed".
+            if ($key === 'completionstatusrequired[4]') {
+                $mform->setDefault($key, 1);
+            }
             $mform->setType($key, PARAM_BOOL);
             $items[] = $key;
         }
diff --git a/mod/survey/mod_form.php b/mod/survey/mod_form.php
index d59d3c41d66..b8c58510663 100644
--- a/mod/survey/mod_form.php
+++ b/mod/survey/mod_form.php
@@ -76,6 +76,8 @@ class mod_survey_mod_form extends moodleform_mod {
     public function add_completion_rules() {
         $mform =& $this->_form;
         $mform->addElement('checkbox', 'completionsubmit', '', get_string('completionsubmit', 'survey'));
+        // Enable this completion rule by default.
+        $mform->setDefault('completionsubmit', 1);
         return array('completionsubmit');
     }