Healthy Skepticism Library item: 2564

Warning: This library includes all items relevant to health product marketing that we are aware of regardless of quality. Often we do not agree with all or part of the contents.

Publication type: Journal Article

Hammell D.
One hundred pennies for your thoughts (2nd of 2 letters)
Canadian Medical Association Journal 2001 May 15; 164:(10):1407

Abstract:

Can you please explain the enclosure of an American dollar bill for the completion of a survey issued by the CMAJ? [full text]

Keywords:
*letter to the editor Canada United States payment for survey participation PROMOTION DISGUISED: SURVEYS