From: jamiesensei <jamiesensei>
Date: Wed, 30 Jul 2008 08:56:10 +0000 (+0000)
Subject: MDL-14204 "Content for Quiz Statistics report table - Random_guess_score" fixed rando... 
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=8ba751eec76c1e6bbcb35340b0f96532fe6b08ac;p=moodle.git

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

diff --git a/question/type/randomsamatch/questiontype.php b/question/type/randomsamatch/questiontype.php
index 8fb52dc387..0879a67c38 100644
--- a/question/type/randomsamatch/questiontype.php
+++ b/question/type/randomsamatch/questiontype.php
@@ -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 ////////////////////////////