[phpesp-dev] [ phpesp-Feature Requests-2771716 ] Allow possible answers to have associated "credit"

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Feature Requests item #2771716, was opened at 2009-04-17 21:08
Message generated for change (Tracker Item Submitted) made by bishopb
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Category: survey format
Group: None
Status: Open
Priority: 5
Private: No
Submitted By: bishop (bishopb)
Assigned to: Nobody/Anonymous (nobody)
Summary: Allow possible answers to have associated "credit"

Initial Comment:
The core of phpESP functionality is "ask question, record answer."  This
functionality applies to surveys ("tell me your opinion") and to
examinations ("tell me what you know").

However, examinations get graded, which means each possible answer contributes
numerically to an overall score.  For example, say you have a 20 question exam
with a 100 point scale.  Each question is worth 5 points.  Some questions may
have a strictly right answer (credit=5), while the rest are strictly wrong
(credit=0).  Other questions may have strictly right, partially right
(credit=4, 3, 2, or 1), and strictly wrong answers.  The survey designer makes
these decisions when creating their examination.

The scope of this feature request is to add a "credit" value for each possible
answer in a question supporting possible answers (Yes/No, Radio, Checkbox,
Rate, etc.)  This would be added as an additional column in the answer matrix
on the question definition of the survey creator.  For every answer entry box,
there would be an entry box into which a number may be entered.  This is the
response "credit".  For example:

    LABEL                     CREDIT
 1. [_____________________]   [____]
 2. [_____________________]   [____]
 3. [_____________________]   [____]
 4. [_____________________]   [____]
 5. [_____________________]   [____]
 6. [_____________________]   [____]
 7. [_____________________]   [____]
 8. [_____________________]   [____]
 9. [_____________________]   [____]
10. [_____________________]   [____]


The "possible score" is the sum of the all maximum possible response credits.
For example, 20 questions, each with a maximum credit of 5, yields a "possible
score" of 100.  Since the "possible score" is constant, it should be computed
and stored in the survey definition.

For a completed survey, the "score" is the sum of all specific response's credit.
For example, 20 questions, each with a maximum credit of 5, all strictly
right/strictly wrong questions, missing one would yield a "score" of 95.
Since this is constant once the response is marked as complete, store this in the
response definition.

Allow the admin to enter any numeric value, including negative and floating
point numbers.  (Because we cannot predict exotic uses, we should be
maximally flexible.)  Deny any value that is not numeric.  Any question
without credits, or any question that does not make use of possible
answers, contributes nothing (that is, 0) to the score and possible score.

Show the score on the "thank you" page after completing a survey, as
"Score: N out of M (P%)".  For example, "Score 95 out of 100 (95%)".

Also show the score on the "Navigate Individual Respondent Submissions" page,
at the top of the page, in the same format as for the thank you page.

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=358956&aid=2771716&group_id=8956