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Randomized Controlled Trial
. 2012 Jan;66(1):e18-20.
doi: 10.1016/j.jaad.2011.03.017. Epub 2011 Oct 28.

Dermatologist response rates to a mailed questionnaire: a randomized trial of monetary incentives

Joy Wan, Katrina Abuabara, Daniel B Shin, Andrea B Troxel, Bruce F Bebo Jr, Joel M Gelfand
Randomized Controlled Trial

Dermatologist response rates to a mailed questionnaire: a randomized trial of monetary incentives

Joy Wan et al. J Am Acad Dermatol. 2012 Jan.
No abstract available

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Figures

FIGURE 1
FIGURE 1. Flow chart of study design and outcome
One thousand dermatologists were randomly selected from American Academy of Dermatology members who self-identified as treating psoriasis and active National Psoriasis Foundation dermatologist members. Dermatologists within both groups were stratified and equally randomized to receive one of three incentive amounts. Six subjects were unreachable due to undeliverable mailings, and 5 subjects were considered ineligible because they were non-dermatologists or not currently in practice. Thirteen eligible subjects who returned the survey unanswered were treated as non-respondents. AAD, American Academy of Dermatology; NPF, National Psoriasis Foundation.
See this image and copyright information in PMC

References

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