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    Home > Forums > ATutor Bug Reports > bug in test statistics for open ended questions.

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    bug in test statistics for open ended questions.


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    AuthorSubject
      Page: 1
    vegard

    Avatar for vegard
    		Subject: bug in test statistics for open ended questions.Quote this post in your reply
    Found a bug in the statistics page for tests (/tools/tests/results_all_quest.php), for open ended questions.

    haven't nailed exactly what is wrong here, but have a look at these two screenshots:

    skitch.com/vegardjo/bwr7h/helsekompetanse.no-statistikk-for-sporsmal

    6 out of 11 left this empty, which means 5 people did not leave it empty (which is correct, confirmed at test -> submissions)

    still, the statistics say there are no results.

    then have a look at this screenshot:

    skitch.com/vegardjo/bwr6y/helsekompetanse.no-statistikk-for-sporsmal

    here it counts 4 results, but when you click it (/tools/tests/results_quest_long.php) you will see that there are infact 7 results, which is correct.

    in short, the calculations for open ended questions in /tools/tests/results_all_quest.php is buggy. I have confirmed this for many tests, both anonymous and not. it seems it does not happen if there are *only* open ended questions, but it does happen if there is a mix.

    have no idea why it finds some results some times, and no results other times..

    here's a last screenshot from a different course:

    skitch.com/vegardjo/bwr9r/helsekompetanse.no-statistikk-for-sporsmal
    Posted: 2009-06-15 04:42:36
    harris

    Avatar for harris
    		Subject: Re: bug in test statistics for open ended questions.Quote this post in your reply
    I have reproduced the second part. Hopefully these bugs are caused by the same problem. By the way ,thanks for the screenshots, they are very useful.
    Posted: 2009-06-15 11:05:06
    harris

    Avatar for harris
    		Subject: Re: bug in test statistics for open ended questions.Quote this post in your reply
    Fixed in the trunk.

    Thanks.


    The error lies in /themes/default/test_questions/long_stats.tmpl.php

    Change line 14-15

    [code]
    <?php if ((count($this->answers)-$this->num_blanks) > 0): ?>
    <a href="tools/tests/results_quest_long.php?tid=<?php echo intval($_GET['tid']).SEP; ?>qid=<?php echo $this->row['question_id'].SEP.'q='.urlencode($this->row['question']); ?>"><?php echo _AT('view_responses'); ?> (<?php echo (count($this->answers)-$this->num_blanks); ?>)</a>
    [/code]

    to:

    [code]
    <?php if ((count($this->answers) - (isset($this->answers[''])?1:0)) > 0): ?>
    <a href="tools/tests/results_quest_long.php?tid=<?php echo intval($_GET['tid']).SEP; ?>qid=<?php echo $this->row['question_id'].SEP.'q='.urlencode($this->row['question']); ?>"><?php echo _AT('view_responses'); ?> (<?php echo (count($this->answers) - (isset($this->answers[''])?1:0)); ?>)</a>
    [/code]
    Posted: 2009-06-15 12:17:36
    vegard

    Avatar for vegard
    		Subject: Re: bug in test statistics for open ended questions.Quote this post in your reply
    thanks Harris, that seemed to fix it! smile
    Posted: 2009-06-16 04:37:37
     Page: 1

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