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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.
7 lines
276 B
Ruby
7 lines
276 B
Ruby
class AddScaleToAdminDataItem < ActiveRecord::Migration[7.0]
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def change
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add_reference :admin_data_items, :scale, null: false, foreign_key: true
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remove_reference :admin_data_items, :measure
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add_index :admin_data_items, :admin_data_item_id, unique: true
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end
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end
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