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gustav_delius 2005-09-17 12:31:36 +00:00
parent c3f806312f
commit dc151b29af
2 changed files with 3 additions and 3 deletions
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4
lang/en/help/quiz/itemanalysis.html
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@ -7,9 +7,9 @@ calculated as explained by classical test theory (ref. 1)</p>
<p><b>Facility Index (% Correct)</b></p>
<p>This is a measure of how easy or difficult is a question for quiz-takers.
It is calculated as:
<br>
<br />
FI = (X<sub>average</sub>) / X<sub>max</sub>
<br>
<br />
where X<sub>average</sub> is the mean credit obtained by all users attempting the item, <br>
and X<sub>max</sub> is the maximum credit achievable for that item.<br>

2
lang/en/quiz_analysis.php
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@ -21,7 +21,7 @@ $string['responsestitle'] = "Answer's text";
$string['rfractiontitle'] = 'partial<br />credit';
$string['rcounttitle'] = 'R.<br />Counts';
$string['rpercenttitle'] = 'R.%%';
$string['facilitytitle'] = '%% Correct<br>Facility';
$string['facilitytitle'] = '%% Correct<br />Facility';
$string['stddevtitle'] = 'SD';
$string['dicsindextitle'] = 'Disc.<br />Index';
$string['disccoefftitle'] = 'Disc.<br />Coeff.';