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average those groupings and the way up the framework. Likert scores for a survey_item are averaged. Then all the survey_items in a scale are averaged. Then student scales in a measure are averaged. And teacher scales in a measure are averaged. Then the average of those two calculations becomes the score for a measure. Then the measures in a subcategory are averaged.
17 lines
461 B
Ruby
17 lines
461 B
Ruby
module ResponseRate
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def initialize(subcategory:, school:, academic_year:)
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@subcategory = subcategory
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@school = school
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@academic_year = academic_year
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end
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def rate
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return 0 unless survey_item_count.positive?
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average_responses_per_survey_item = response_count / survey_item_count.to_f
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return 0 unless total_possible_responses.positive?
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(average_responses_per_survey_item / total_possible_responses.to_f * 100).round
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end
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end
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