TONE OF POSTCARDS IN INCREASING SURVEY RESPONSE RATES 1
Published in Psychological Reports
This study assessed differences in response rates to a series of three-wave mail surveys when amiable or insistently worded postcards were the third wave of the mailing. Three studies were conducted; one with a sample of 600 health commissioners, one with a sample of 680 vascular nurses, and one with 600 elementary school secretaries. The combined ...
