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@mod @mod_quiz @quiz @quiz_statistics
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Feature: Basic use of the Statistics report
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In order to see how my students are progressing
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As a teacher
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I need to see all their quiz responses
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Background:
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Given the following "users" exist:
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| username | firstname | lastname | email |
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| teacher1 | Teacher | 1 | teacher1@example.com |
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| student1 | Student | 1 | student1@example.com |
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| student2 | Student | 2 | student2@example.com |
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| student3 | Student | 3 | student3@example.com |
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And the following "courses" exist:
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| fullname | shortname | category |
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| Course 1 | C1 | 0 |
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And the following "course enrolments" exist:
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| user | course | role |
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| teacher1 | C1 | editingteacher |
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| student1 | C1 | student |
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| student2 | C1 | student |
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| student3 | C1 | student |
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And the following "question categories" exist:
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| contextlevel | reference | name |
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| Course | C1 | Test questions |
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And the following "questions" exist:
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| questioncategory | qtype | name | questiontext |
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| Test questions | truefalse | Question A | This is question 01 |
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| Test questions | truefalse | Question B | This is question 02 |
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| Test questions | truefalse | Question C | This is question 03 |
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And the following "activities" exist:
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| activity | name | course | idnumber |
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| quiz | Quiz 1 | C1 | quiz1 |
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And quiz "Quiz 1" contains the following questions:
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| question | page |
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| Question A | 1 |
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| Question B | 1 |
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| Question C | 2 |
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@javascript
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Scenario: Report works when there are no attempts
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When I am on the "Quiz 1" "mod_quiz > Statistics report" page logged in as teacher1
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Then I should see "No attempts have been made at this quiz, or all attempts have questions that need manual grading."
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And I should not see "Statistics for question positions"
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And "Show chart data" "link" should not exist
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And user "student1" has attempted "Quiz 1" with responses:
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| slot | response |
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| 1 | True |
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| 2 | False |
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| 3 | False |
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And user "student2" has attempted "Quiz 1" with responses:
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| slot | response |
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| 1 | True |
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| 2 | True |
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| 3 | True |
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And user "student3" has attempted "Quiz 1" with responses:
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| slot | response |
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| 1 | False |
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| 2 | False |
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| 3 | False |
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And I am on the "Quiz 1" "mod_quiz > Statistics report" page logged in as teacher1
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And I press "Show report"
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And I should not see "No questions have been attempted yet"
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And "Show chart data" "link" should exist
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# Question A statistics breakdown.
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And "1" row "Question name" column of "questionstatistics" table should contain "Question A"
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And "1" row "Attempts" column of "questionstatistics" table should contain "3"
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And "1" row "Facility index" column of "questionstatistics" table should contain "66.67%"
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And "1" row "Standard deviation" column of "questionstatistics" table should contain "57.74%"
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And "1" row "Random guess score" column of "questionstatistics" table should contain "50.00%"
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And "1" row "Intended weight" column of "questionstatistics" table should contain "33.33%"
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And "1" row "Effective weight" column of "questionstatistics" table should contain "30.90%"
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And "1" row "Discrimination index" column of "questionstatistics" table should contain "50.00%"
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# Question B statistics breakdown.
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And "2" row "Question name" column of "questionstatistics" table should contain "Question B"
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And "2" row "Attempts" column of "questionstatistics" table should contain "3"
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And "2" row "Facility index" column of "questionstatistics" table should contain "33.33%"
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And "2" row "Standard deviation" column of "questionstatistics" table should contain "57.74%"
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And "2" row "Random guess score" column of "questionstatistics" table should contain "50.00%"
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And "2" row "Intended weight" column of "questionstatistics" table should contain "33.33%"
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And "2" row "Effective weight" column of "questionstatistics" table should contain "34.55%"
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And "2" row "Discrimination index" column of "questionstatistics" table should contain "86.60%"
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# Question C statistics breakdown.
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And "3" row "Question name" column of "questionstatistics" table should contain "Question C"
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And "3" row "Attempts" column of "questionstatistics" table should contain "3"
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And "3" row "Facility index" column of "questionstatistics" table should contain "33.33%"
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And "3" row "Standard deviation" column of "questionstatistics" table should contain "57.74%"
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And "3" row "Random guess score" column of "questionstatistics" table should contain "50.00%"
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And "3" row "Intended weight" column of "questionstatistics" table should contain "33.33%"
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And "3" row "Effective weight" column of "questionstatistics" table should contain "34.55%"
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And "3" row "Discrimination index" column of "questionstatistics" table should contain "86.60%"
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