You wonder about procedure some times.
I was listening to this 'Nudge' program and came across this typcial example of data vs interpretation.
The objective was to get people to turn up on time for approintments.
Method
- Get people to repeat the appointment back (up 7%)
- Get people to write it down
Massively improved people failing to turn up.
Listen to the example they give. Being forced to write it down the person making the appointment clearly has to ask again. I would conclude she didn't hear the appointment well ( she did have a small child with her). I would argue that repeating and writing down would reduce the miss hearing by 7%.
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