Appendix F
2022 Community Interest and Opinion Survey
Methods
Research Methods
These findings are based on a random sample of n=508 Naperville households.
Data collection took place April 7 to May 22, 2022. Printed survey and/or postcard invitations for the online survey were sent by USPS to a random sample of over 10,000 Naperville households. All mailings included options to complete the survey by mail, online or over the phone:
MAILED QUESTIONAIRE 297
PHONE INTERVIEW 0
ONLINE*
n= 211
This random household sample was weighted to match US Census data for Naperville by region, age, gender, race, ethnicity, and percentage of households with children. Assuming no sample bias, the margin of error is +/- 4.3% (at the 95% confidence level)**. Throughout the report, statistically meaningful differences (at the 95% confidence level) are identified. If responses from a demographic group are not reported, this means that the response from that segment was generally in line with the overall response. After the random sample of n=508 residents was completed, the survey link was available on the NPD website allowing anyone to participate in the survey. Another n=537 respondents completed this “public” survey, and the results are included in the Appendix (as a comparison to the random sample results). In general, those in the “public” survey tend to be female, NPD users, younger, have children in their household, give slightly less favorable ratings to the District, and place higher priorities on certain improvements (e.g., indoor water facility, gym courts, outdoor baseball/softball fields, etc.).
* Online survey panel providers supplied n=89 online completes (screened for adults living in Naperville). ** In addition to sampling error, question wording, respondent error, and practical difficulties in conducting surveys may introduce error or bias in any opinion poll.
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Naperville Park District | 2023 MASTER PLAN
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