MDL-14204 "Content for Quiz Statistics report table - Random_guess_score" fixed random guess score for random short answer matching question.

2008-07-30 08:56:10 +00:00
parent 5ce4295fff
commit 8ba751eec7
1 changed files with 1 additions and 7 deletions
@@ -279,13 +279,7 @@ class question_randomsamatch_qtype extends question_match_qtype {
     * calculate.
     */
    function get_random_guess_score($question) {
-        //Effectively $subquestions multi choice questions with equal weighting
-        //assuming a student has the intelligence to not select the same answer twice
-        //there is in each subquestion factorial($subquestions-1) chance of getting
-        //the answer right. There are factorial($subquestions) possible combinations of
-        //answers and it works out to an average grade of 1/$subquestions.
-        $subquestions = count($question->options->subquestions);
-        return 1/$subquestions;
+        return 1/$question->options->choose;
    }
 /// BACKUP FUNCTIONS ////////////////////////////