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take 'revertAnswerOption' into account when calculating the result

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Helmut Merz 2013-03-07 16:04:27 +01:00
parent 4fc0538e30
commit f5e918011e
2 changed files with 7 additions and 1 deletions
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1
knowledge/survey/README.txt
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@ -10,6 +10,7 @@ Let's first set up a questionaire.
>>> qu01 = Question(quest) >>> qu01 = Question(quest)
>>> qu02 = Question(quest) >>> qu02 = Question(quest)
>>> qu03 = Question(quest) >>> qu03 = Question(quest)
>>> qu01.revertAnswerOptions = True
Question-related Feedback Items Question-related Feedback Items

7
knowledge/survey/questionnaire.py
View file

@ -87,6 +87,8 @@ class Response(object):
result = {} result = {}
for question, value in self.values.items(): for question, value in self.values.items():
for fi, rf in question.feedbackItems.items(): for fi, rf in question.feedbackItems.items():
if question.revertAnswerOptions:
value = question.answerRange - value - 1
result[fi] = result.get(fi, 0.0) + rf * value result[fi] = result.get(fi, 0.0) + rf * value
return sorted(result.items(), key=lambda x: -x[1]) return sorted(result.items(), key=lambda x: -x[1])
@ -95,7 +97,10 @@ class Response(object):
for qugroup in self.questionnaire.questionGroups: for qugroup in self.questionnaire.questionGroups:
score = scoreMax = 0.0 score = scoreMax = 0.0
for qu in qugroup.questions: for qu in qugroup.questions:
score += self.values.get(qu, 0.0) value = self.values.get(qu, 0.0)
if qu.revertAnswerOptions:
value = qu.answerRange - value - 1
score += value
scoreMax += qu.answerRange - 1 scoreMax += qu.answerRange - 1
relScore = score / scoreMax relScore = score / scoreMax
wScore = relScore * (len(qugroup.feedbackItems) - 1) wScore = relScore * (len(qugroup.feedbackItems) - 1)