top of page

CEFREF usability trial questionnaire

PART 1: Dataflow and charts

To validate your data on CEFREF it is important to understand dataflow and what the different charts show.

Please answer the following 12 questions, which evaluate your understanding of data flow and the charts.

Stage 1: Input page to Diary page

landing to diary.png

Headache and painkiller data is transferred to diary page. (Here, Headache pain = moderate, and painkiller taken.)

1) How easy or difficult was it to understand dataflow between the Input and Diary pages?
2) How easy or difficult was it to understand the Diary page?

Stage 2: Diary page to 28-Day Review to 84-Day Review

Headache and Painkiller data are transferred from the Diary page to the 28-Day Review chart.

Total Headache and Painkiller data from 3 consecutive 28-Day periods (e.g. -3 to -1) are transferred to the 84-Day Review chart.

The 28-Day Review chart shows Headache and Painkiller-Days in 28-day periods. '-1' is the current period (i.e. the last 28-days). '-2' is the 28-days before that. Here the total number of Headache-Days over the last 28-days (i.e. period -1) is 11.

The 84-Day Review chart shows the average data over 3 consecutive 28-day periods (e.g. -3 to -1). Here the average total number of Headache-Days over the last 28-days is 5.

*The same dataflow occurs between Month Review and 3-Month Review (not shown).

3) How easy or difficult was it to understand dataflow between the 28-Day Review chart and the 84-Day Review chart
4) How easy or difficult was it to understand dataflow between the Month Review chart and the 3- Month Review chart?
5) How easy or difficult was it to understand the 28-Day Review chart?
6) How easy or difficult was it to understand the 84-Day Review chart?
7) How easy or difficult was it to understand the Month Review chart?
8) How easy or difficult was it to understand the 3-Month Review chart?

Stage 3: Diary page to Headache- / Painkiller-Free Days chart

Starting from today (11th March), count backwards the number of days when headache / painkiller free. Here there have been 3 Headache-Free Days and 5 Painkiller Free Days.

9) How easy or difficult was it to understand dataflow between the Diary Page and Headache- / Painkiller-Free Day chart?
10) How easy or difficult was it to understand the Headache- / Painkiller-Free Day chart?

Stage 4: 28-Day Review to 28-Day Average chart

trendline.png

Day-to-day changes (-1, 0 or +1) in bar totals on the 28-Day Review chart determine direction of trendline on 28-Day Average chart.

Subtract YESTERDAY Headache ( or Painkiller) Day total (bottom chart) from TODAY (top chart) total.

i.e. Headache, 11 - 12 = -1 (downtrend)

i.e. Painkiller, 6 - 6 = 0 (stable)

11) How easy or difficult was it to understand dataflow between the 28-Day Review chart and the 28-Day Average chart?
12) How easy or difficult was it to understand the 28-Day Average chart?
bottom of page