[#MDL-12258] Quiz Item Analysis duplicates the first question alternative, altering the report

Moodle

Quiz Item Analysis duplicates the first question alternative, altering the report

Created: 20/Nov/07 02:29 AM Updated: 05/Feb/08 06:31 AM

Component/s:

Quiz

Affects Version/s:

1.8.3

Fix Version/s:

None

File Attachments:

None

Image Attachments:

1. sample_item_analysis.jpg
(157 kb)

Database:	MySQL
Participants:	Andrea Bicciolo, Chris Edwards and Tim Hunt
Security Level:	None

Description

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To reproduce the bug:
- in a course create a quiz
- add several multiple choice question to the quiz
- let students attempt the quiz (best to have hundreds of attempts).
- Once attempts has been made, enter the quiz, select Result tab and select the Item analysis link.
- look at the the first quiz question in the report: at least one question alternative is duplicated. When the duplication occurs on a correct alternative, it also alter the reports.

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Tim Hunt - 20/Nov/07 06:41 PM

It would be helpful if you could attach a screenshot please.

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Andrea Bicciolo - 20/Nov/07 06:59 PM

In the attached screen shot, the first question shows the duplicated alternative. The question only has five alternatives, while in the analysis there are six alternatives.

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Chris Edwards - 04/Dec/07 04:07 AM - edited

This may be related to MDL-12418 since this is a multiple choice question. If there is some sort of formatting going on here, this may be the cause of the duplicate entries in the Item Analysis table for that question.