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CEFREF usability trial questionnaire

PART 2: Chart understanding

Please answer the following 6 questions, which evaluate your understanding of the CEFREF charts.

Q1) 28-Day Average

a) In what direction is the Headache trendline going for the last datapoint?
b) In what direction is the Painkiller trendline going for the last datapoint?

Q2) Headache- / Painkiller-Free days

0A7D68C6-132F-4CDD-9D82-859459108181.png
a) How many Headache-Free Days have there been?
b) How many Painkiller-Free Days have there been?

Q3) Month Review

AE75B2AF-EF89-4A3B-8C3D-099D92DDAD17.png
a) In September there were greater than 15 Headache-Days?
b) In June there were greater than 5 Painkiller-Days?

Q4) 3-Month Review

09CB6E26-168C-4D0E-8D5E-AFE989FB7839.png
a) In which period are average Headache-Days the greatest?
b) In which period are average Painkiller-Days the lowest?

Q5) 28-Day Review

a) How many Moderate Headache-Days were there in the highlighted (-6) period?
b) How many Painkiller-Days were there in the highlighted (-6) period?

Q6) 84-Day Review

a) What was the average total number of Headache-Days in the highlighted (-6 to -4) period?
b) What was the average total number of Painkiller-Days in the highlighted (-6 to -4) period?
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