Index: theme/standard/styles_color.css
===================================================================
RCS file: /cvsroot/moodle/moodle/theme/standard/styles_color.css,v
retrieving revision 1.180
diff -u -r1.180 styles_color.css
--- theme/standard/styles_color.css	11 Sep 2008 07:34:53 -0000	1.180
+++ theme/standard/styles_color.css	15 Sep 2008 11:12:26 -0000
@@ -1081,6 +1081,10 @@
   background-color: #fcc;
 }
 
+#mod-quiz-report .dubious{
+  background-color: #fcc;
+}
+
 /***
  *** Modules: Resource
  ***/
Index: mod/quiz/report/statistics/statistics_table.php
===================================================================
RCS file: /cvsroot/moodle/moodle/mod/quiz/report/statistics/statistics_table.php,v
retrieving revision 1.15
diff -u -r1.15 statistics_table.php
--- mod/quiz/report/statistics/statistics_table.php	11 Sep 2008 12:48:08 -0000	1.15
+++ mod/quiz/report/statistics/statistics_table.php	15 Sep 2008 11:12:26 -0000
@@ -88,15 +88,37 @@
 
 
     function col_name($question){
-        if (!$this->is_downloading() && $question->qtype!='random'){
-            $tooltip = get_string('detailedanalysis', 'quiz_statistics');
-            $url = $this->baseurl .'&qid='.$question->id;
-            return "<a title=\"$tooltip\" href=\"$url\">".$question->name."</a>";
+        if (!$this->is_downloading()){
+            if ($question->qtype!='random'){
+                $tooltip = get_string('detailedanalysis', 'quiz_statistics');
+                $url = $this->baseurl .'&amp;qid='.$question->id;
+                $html = "<a title=\"$tooltip\" href=\"$url\">".$question->name."</a>";
+            } else {
+                $html = $question->name;
+            }
+            if ($this->is_dubious_question($question)){
+                return "<div class=\"dubious\">$html</div>";
+            } else {
+                return $html;
+            }
         } else {
             return $question->name;
         }
 
     }
+
+    /**
+     * @param object question the question object with a property _stats which
+     * includes all the stats for the question.
+     * @return boolean is this question possibly not pulling it's weight?
+     */
+    function is_dubious_question($question){
+        if (!is_numeric($question->_stats->discriminativeefficiency)){
+            return false;
+        } else {
+            return $question->_stats->discriminativeefficiency < 15;
+        }
+    }
     
     function col_icon($question){
         return print_question_icon($question, true);