from 10,000 to 20,000 effective sample size completed responses) could be obtained if a less aggressive protocol were followed and the research team were willing to accept an approximately 40 percent lower response rate
The female photos, as a group, pulled a higher response rate
than the male photos.
Specifically, there was differential resistance when the behavioral history still was directly influencing responding, as gauged through response rate
UCLA Center for Health Policy Research, The CHIS 2001 Sample: Response Rate
and Representativeness, Los Angeles: UCLA Center for Health Policy Research, 2003.
2003), in their recent response rate
experiment, confirm the effectiveness of recipient pre-notification, monetary incentives, and follow-up mailings in increasing response rates
to mail surveys.
Little is known about the effects of web-based survey design on response rates
or response accuracy; further research is warranted in this area.
To allow for comparisons between the incentive group and the control group, and to ensure the maximum overall response rate
possible for this study, one-fourth, or 479 marinas were randomly assigned to the control group and received no incentives t o respond, and the remaining three-fourths, or 1,437 marinas were offered both incentives to respond: entry into a prize drawing and a summary of the results of the study.
Census Bureau Director Kenneth Prewitt called the 67 percent response rate
an "unexpected, extraordinary public achievement," in light of pre-Census predictions putting the response rate
at 61 percent.
See the sidebar on page 86 for additional techniques to improve the response rate
to your direct mail efforts.
Boston, which had a 1990 mail response rate
of 46 percent, had a Census 2000 target of 51 percent.
They had an 88% response rate
to their telephone satisfaction study of 171 current and former rehabilitation patients.
However, businesses find it challenging to get the right mix of people and achieve a high enough response rate
to ensure accurate survey results.