[samigo-team] question about Data Discrepancy errors in Samigo

[Ward, Lynn E.]

How does using the back button kill the entire submission?  I guess I could see that happening if all questions are on the same page and the student hasn't bothered to save before hitting back.   We're encouraging faculty to use the one question per page format.

Lynn
==========================
Lynn Ward, Principal Systems Analyst, Instructional Technology Systems and Services
University Information Technology Services<http://uits.iu.edu/>
Indiana University-Purdue University Indianapolis
Information Technology and Communications Complex (IT 225D)
535 West Michigan Street, Indianapolis, IN 46202
Phone: 317-278-5713  E-mail: leward at iupui.edu<mailto:leward at iupui.edu>

From: Sam Ottenhoff <ottenhoff at longsight.com<mailto:ottenhoff at longsight.com>>
Date: Mon, 12 Sep 2011 15:12:29 -0400
To: Lynn Ward <leward at iupui.edu<mailto:leward at iupui.edu>>
Cc: Samigo Team <samigo-team at collab.sakaiproject.org<mailto:samigo-team at collab.sakaiproject.org>>
Subject: Re: [samigo-team] question about Data Discrepancy errors in Samigo



What is the actual underlying condition or trigger that results in the error?


Bryan described a pretty easy way to replicate.  You can also replicate using auto-submit:

  https://jira.sakaiproject.org/browse/SAM-1088

Stanford team, I have a patch submitted to that JIRA that addresses all of Christine's last comments. Any thoughts on my patch?



We'd like to update the error message to more accurately reflect the cause and scope of the discrepancy, as well as steps to take to verify that the saved or submitted version is in fact correct.



There seems to be a bit of a push / pull here. The data discrepancy checks can ensure that a user is not using two browser windows, but the problem is that it is easy to use the back button and kill an entire submission.  If you have a class of 500 CHEM 101 students, missing 25 submissions because of data discrepancy issues creates a gigantic point of pain for the instructor.  The instructor most likely stops using Sakai if convincing the local team to modify the code does not succeed.

Considering how easy it is to trip up this error, and considering how painful missing assessments is to the instructor (re-dos for 25 students is not fun!), I think we should strongly reconsider our default behavior related to strict errors in Samigo.

--Sam
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