Study: Holiday and Thank-You Cards Failed to Retain Clinical Trial Volunteers

Sources reported on a study examining the effect of holiday greeting cards and thank-you cards on whether clinical trial volunteers stay enrolled. Headlines suggest that Christmas cards did not keep volunteers returning, and that thank-you cards clearly did not help. The finding is of interest to researchers concerned with retaining volunteers in medical studies.

AI-written summary of 2 sources; every verified point is backed by a verbatim quote. How Iyan works

• According to the headline, Christmas cards did not keep clinical trial volunteers engaged.

  «بطاقات عيد الميلاد لم تُبقِ متطوعي التجارب السريرية»

  Medical Daily • inkl
• According to the source, thank-you cards did not clearly help volunteers return.

  «وبطاقات الشكر لم تساعد بوضوح»

  Medical Daily

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