Does pre-notification increase questionnaire response rates: a randomised controlled trial nested within a systematic review.

Autor: Woolf, Benjamin1,2,3 (AUTHOR) Benjamin.woolf@bristol.ac.uk, Edwards, Phil3 (AUTHOR)
Zdroj: BMC Medical Research Methodology. 11/27/2021, Vol. 21 Issue 1, p1-7. 7p.
Databáze: Academic Search Ultimate
Nepřihlášeným uživatelům se plný text nezobrazuje