@tmorris_mrc @mdimairo @Brennan_Kahan @rupert_pearse https://t.co/sMJ10Z24mc although going back to data it was only 10%-ish that got randomised twice. Bah. Still, I can share if helpful.
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Do advance telephone calls ahead of reminder questionnaires improve response rates? Answer: yes but only a bit. http://t.co/xBoRP78XJZ
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Do advance telephone calls ahead of reminder questionnaires improve response rates? Answer: yes but only a bit. http://t.co/xBoRP78XJZ
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Do advance telephone calls ahead of reminder questionnaires improve response rates? Answer: yes but only a bit. http://t.co/xBoRP78XJZ