Hmmmm.... maybe the researchers were onto something when they mused: "It can be speculated whether the MAGNITUDE of the voucher was too low to generate an impact." (Magnitude: an overly generous word to describe one cup of coffee...) @anetto
The effect of a voucher incentive on a survey response rate in the clinical setting https://t.co/z7cyepS7aM The voucher was for a cup of coffee. Spoiler: It did not change the response. #recruitment
New on https://t.co/8pxKdRDxAR | The effect of a voucher incentive on a survey response rate in the clinical setting: a quasi-randomized controlled trial | https://t.co/L4dMayn58Q https://t.co/IhE0B14Wtd
The effect of a voucher incentive on a survey #responserate in the clinical setting: a quasi-RCT https://t.co/PNdD5xAQdC