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sqm-dashboards
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feat: Round up response rate. Survey response rates above 24.5 will now meet sufficiency

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pull/1/head
rebuilt 2 years ago
parent b58ff3e519
commit 6edc0db868
2 changed files with 43 additions and 43 deletions
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2
app/models/response_rate_calculator.rb
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@ -18,7 +18,7 @@ class ResponseRateCalculator
return 0 unless total_possible_responses.positive?
cap_at_one_hundred(raw_response_rate)
cap_at_one_hundred(raw_response_rate).round
end
def meets_student_threshold?

84
spec/models/response_rate_calculator_spec.rb
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@ -29,7 +29,7 @@ describe ResponseRateCalculator, type: :model do
context "or when the count of survey items does not meet the minimum threshold" do
before do
create_list(:survey_item_response, 9, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1)
school:, grade: 1)
end
it "returns an average of the response rates for all grades" do
expect(StudentResponseRateCalculator.new(subcategory:, school:, academic_year:).rate).to eq 0
@ -41,25 +41,25 @@ describe ResponseRateCalculator, type: :model do
before do
create(:respondent, school:, academic_year:, total_students: 20, one: 20)
create_list(:survey_item_response, 10, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1)
school:, grade: 1)
end
context "and half of students responded" do
it "reports a response rate of fifty percent" do
expect(StudentResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to eq 50
academic_year:).rate).to eq 50
end
end
context "and another unrelated subcategory has responses" do
before do
create_list(:survey_item_response, 10,
survey_item: second_subcategory.measures.first.scales.first.survey_items.first, academic_year:, school:, grade: 1)
survey_item: second_subcategory.measures.first.scales.first.survey_items.first, academic_year:, school:, grade: 1)
end
it "does not count the responses for the unrelated subcategory" do
expect(StudentResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to eq 50
academic_year:).rate).to eq 50
end
end
@ -67,7 +67,7 @@ describe ResponseRateCalculator, type: :model do
before do
less_than_a_quarter_of_respondents_for_first_grade = 4
create_list(:survey_item_response, less_than_a_quarter_of_respondents_for_first_grade, survey_item: insufficient_student_survey_item_1, academic_year:,
school:, grade: 1)
school:, grade: 1)
end
it "returns an average of the response rates for all grades" do
expect(StudentResponseRateCalculator.new(subcategory:, school:, academic_year:).rate).to eq 50
@ -79,20 +79,20 @@ describe ResponseRateCalculator, type: :model do
before do
create(:respondent, school:, academic_year:, total_students: 20, one: 20)
create_list(:survey_item_response, 10, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1)
school:, grade: 1)
create_list(:survey_item_response, 20, survey_item: sufficient_student_survey_item_2, academic_year:,
school:, grade: 1)
school:, grade: 1)
end
xcontext "and the response rate is a decimal number" do
context "and the response rate is a decimal number" do
before do
create_list(:survey_item_response, 1, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1)
school:, grade: 1)
end
it "rounds the response rate to the nearest whole number" do
expect(StudentResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to eq 78
academic_year:).rate).to eq 78
end
end
@ -105,7 +105,7 @@ describe ResponseRateCalculator, type: :model do
context "and another unrelated subcategory has responses" do
before do
create_list(:survey_item_response, 10,
survey_item: second_subcategory.measures.first.scales.first.survey_items.first, academic_year:, school:, grade: 1)
survey_item: second_subcategory.measures.first.scales.first.survey_items.first, academic_year:, school:, grade: 1)
end
it "does not count the responses for the unrelated subcategory" do
@ -118,11 +118,11 @@ describe ResponseRateCalculator, type: :model do
before do
create(:respondent, school:, academic_year:, total_students: 20, one: 20)
create_list(:survey_item_response, 20, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1)
school:, grade: 1)
create_list(:survey_item_response, 15, survey_item: sufficient_student_survey_item_2, academic_year:,
school:, grade: 1)
school:, grade: 1)
create_list(:survey_item_response, 10, survey_item: sufficient_student_survey_item_3, academic_year:,
school:, grade: 1)
school:, grade: 1)
end
context "one scale got all students to respond and another scale got an average response rate of fifty percent" do
@ -135,7 +135,7 @@ describe ResponseRateCalculator, type: :model do
context "and another unrelated subcategory has responses" do
before do
create_list(:survey_item_response, 10,
survey_item: second_subcategory.measures.first.scales.first.survey_items.first, academic_year:, school:, grade: 1)
survey_item: second_subcategory.measures.first.scales.first.survey_items.first, academic_year:, school:, grade: 1)
end
it "does not count the responses for the unrelated subcategory" do
@ -148,9 +148,9 @@ describe ResponseRateCalculator, type: :model do
before do
create(:respondent, school:, academic_year:, total_students: 20, one: 20, two: 20)
create_list(:survey_item_response, 10, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1)
school:, grade: 1)
create_list(:survey_item_response, 20, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 2)
school:, grade: 2)
end
it "reports a response rate that averages fifty and 100" do
expect(StudentResponseRateCalculator.new(subcategory:, school:, academic_year:).rate).to eq 75
@ -161,9 +161,9 @@ describe ResponseRateCalculator, type: :model do
before do
create(:respondent, school:, academic_year:, total_students: 20, one: 20, two: 20)
create_list(:survey_item_response, 10, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1)
school:, grade: 1)
create_list(:survey_item_response, 20, survey_item: sufficient_student_survey_item_2, academic_year:,
school:, grade: 2)
school:, grade: 2)
end
it "reports a response rate that averages fifty and 100" do
expect(StudentResponseRateCalculator.new(subcategory:, school:, academic_year:).rate).to eq 75
@ -171,33 +171,33 @@ describe ResponseRateCalculator, type: :model do
end
end
xcontext "when two grades have different numbers of students" do
context "when two grades have different numbers of students" do
before do
create(:respondent, school:, academic_year:, total_students: 60, one: 40, two: 20)
create_list(:survey_item_response, 20, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1) # 50%
school:, grade: 1) # 50%
create_list(:survey_item_response, 15, survey_item: sufficient_student_survey_item_2, academic_year:,
school:, grade: 2) # 75%
school:, grade: 2) # 75%
end
it "weights the average response rate by the number of students in each grade" do
expect(StudentResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to be_within(0.01).of(58)
academic_year:).rate).to be_within(0.01).of(58)
end
end
xcontext "when three grades have different numbers of students" do
context "when three grades have different numbers of students" do
before do
create(:respondent, school:, academic_year:, total_students: 120, one: 40, two: 20, three: 60)
create_list(:survey_item_response, 20, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1) # 50%
school:, grade: 1) # 50%
create_list(:survey_item_response, 15, survey_item: sufficient_student_survey_item_2, academic_year:,
school:, grade: 2) # 75%
school:, grade: 2) # 75%
create_list(:survey_item_response, 15, survey_item: sufficient_student_survey_item_2, academic_year:,
school:, grade: 3) # 25%
school:, grade: 3) # 25%
end
it "weights the average response rate by the number of students in each grade" do
expect(StudentResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to be_within(0.01).of(42)
academic_year:).rate).to be_within(0.01).of(42)
end
end
@ -205,7 +205,7 @@ describe ResponseRateCalculator, type: :model do
before do
create(:respondent, school:, academic_year:, total_students: 20, one: 20, two: 20)
create_list(:survey_item_response, 10, survey_item: sufficient_student_survey_item_1, academic_year:,
school:, grade: 1)
school:, grade: 1)
end
it "reports a response rate that averages fifty and 100" do
expect(StudentResponseRateCalculator.new(subcategory:, school:, academic_year:).rate).to eq 50
@ -217,11 +217,11 @@ describe ResponseRateCalculator, type: :model do
before do
create(:respondent, school:, academic_year:, total_students: 20, one: 20, two: 20)
create_list(:survey_item_response, SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD * 11, survey_item: sufficient_student_survey_item_2,
academic_year:, school:, likert_score: 1, grade: 1)
academic_year:, school:, likert_score: 1, grade: 1)
end
it "returns 100 percent" do
expect(StudentResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to eq 100
academic_year:).rate).to eq 100
end
end
@ -247,11 +247,11 @@ describe ResponseRateCalculator, type: :model do
before :each do
create_list(:survey_item_response, SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD, survey_item: sufficient_teacher_survey_item_1,
academic_year:, school:, likert_score: 1)
academic_year:, school:, likert_score: 1)
create_list(:survey_item_response, SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD, survey_item: sufficient_teacher_survey_item_2,
academic_year:, school:, likert_score: 1)
academic_year:, school:, likert_score: 1)
create_list(:survey_item_response, SurveyItemResponse::STUDENT_RESPONSE_THRESHOLD, survey_item: sufficient_student_survey_item_1,
academic_year:, school:, likert_score: 4)
academic_year:, school:, likert_score: 4)
end
context "when the average number of teacher responses per question in a subcategory is at the threshold" do
@ -260,7 +260,7 @@ describe ResponseRateCalculator, type: :model do
end
it "returns 25 percent" do
expect(TeacherResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to eq 25
academic_year:).rate).to eq 25
end
end
@ -268,11 +268,11 @@ describe ResponseRateCalculator, type: :model do
before do
respondent
create_list(:survey_item_response, SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD + 1, survey_item: sufficient_teacher_survey_item_3,
academic_year:, school:, likert_score: 1)
academic_year:, school:, likert_score: 1)
end
it "it will return the nearest whole number" do
expect(TeacherResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to eq 29
academic_year:).rate).to eq 29
end
end
@ -280,18 +280,18 @@ describe ResponseRateCalculator, type: :model do
before do
respondent
create_list(:survey_item_response, SurveyItemResponse::TEACHER_RESPONSE_THRESHOLD * 11, survey_item: sufficient_teacher_survey_item_3,
academic_year:, school:, likert_score: 1)
academic_year:, school:, likert_score: 1)
end
it "returns 100 percent" do
expect(TeacherResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to eq 100
academic_year:).rate).to eq 100
end
end
context "when no survey information exists for that school and academic_year" do
it "returns 100 percent" do
expect(TeacherResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to eq 100
academic_year:).rate).to eq 100
end
end
@ -303,7 +303,7 @@ describe ResponseRateCalculator, type: :model do
end
it "ignores the empty survey item and returns only the average response rate of teacher survey items with responses" do
expect(TeacherResponseRateCalculator.new(subcategory:, school:,
academic_year:).rate).to eq 25
academic_year:).rate).to eq 25
end
end
end

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