Randomized trial of 5 dollars versus 10 dollars monetary incentives, envelope size, and candy to increase physician response rates to mailed questionnaires
| Image |  |
|---|---|
| Description | scientific article published in September 2002 |
| Author/s |
author: David A. Asch Peter A. Ubel |
| Publication date | September 1, 2002 |
| Language | |
| Country of origin | |
| Wikipedia link | |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |