[Summary view]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Strings for component qbank_statistics, language 'en'
  19   *
  20   * @package    qbank_statistics
  21   * @copyright  2021 Catalyst IT Australia Pty Ltd
  22   * @author     Nathan Nguyen <nathannguyen@catalyst-au.net>
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  defined('MOODLE_INTERNAL') || die();
  27  
  28  $string['pluginname'] = 'Question statistics';
  29  $string['privacy:metadata'] = 'The Question statistics question bank plugin does not store any personal data.';
  30  
  31  // Columns.
  32  $string['facility_index'] = 'Facility index';
  33  $string['facility_index_help'] = 'The facility index gives the average mark (as a percentage) obtained on the question (all versions) in all quizzes where the question has been attempted. A higher value normally indicates an easier question.';
  34  $string['discriminative_efficiency'] = 'Discriminative efficiency';
  35  $string['discriminative_efficiency_help'] = 'Discriminative efficiency is a statistical estimate of how well the question assesses students, with a higher value being better. A particularly low value may indicate a problem with the question. A very difficult or easy question (with facility index close to 0% or 100%) can also lead to a low value.';
  36  $string['discriminative_efficiency_link'] = 'mod/quiz/statistics';
  37  $string['discrimination_index'] = 'Needs checking?';
  38  $string['discrimination_index_help'] = 'A question is indicated as likely to need checking based on question statistics. For example, if students obtain a low score on the question but a high score on the whole quiz, or a high score on the question but a low score on the whole quiz, then there may be a problem with the question such as the wrong answer being set as correct. Statistics are not infallible though; this is just a hint that the question should be checked.';
  39  
  40  // Text format.
  41  $string['verylikely'] = 'Very likely';
  42  $string['likely'] = 'Likely';
  43  $string['unlikely'] = 'Unlikely';
  44  $string['na'] = 'N/A';
  45  $string['emptyvalue'] = '-';