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Considering Mixed Mode Surveys for Questions in Political Behavior: Using the Internet and Mail to Get Quality Data at Reasonable Costs

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Abstract

Telephone surveys have been a principle means of learning about the attitudes and behaviors of citizens and voters. The single mode telephone survey, however, is increasingly threatened by rising costs, the declining use of landline telephones, and declining participation rates. One solution to these problems has been the introduction of mixed-mode surveys. However, such designs are relatively new and questions about their representativeness and the intricacies of the methodology remain. We report on the representativeness of a post election mixed-mode (Internet and mail) survey design of 2006 general election voters. We compare sample respondent means to sample frame means on key demographic characteristics and examine how mail and Internet respondents differed in terms of attitudes, behaviors and demographics. We find that overall the Internet respondents were representative of the population and that respondent choice of mode did not influence item response. We conclude that mixed-mode designs may allow researchers to ask important questions about political behavior from their desktops.

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Notes

  1. Examples such as the American National Election Studies (ANES) and the General Social Survey (GSS) to the contrary.

  2. http://www.electionstudies.org/studypages/2008_2009panel/anes2008_2009panel.htm.

  3. Also see: http://web.mit.edu/polisci/portl/cces/sampledesign.html for a description of Polimetrix’s sampling method.

  4. See the Pew Internet and Life report at: http://www.pewinternet.org/PPF/r/182/report_display.asp.

  5. We thank New Mexico Secretary of State Rebecca Vigil-Giron and Colorado Secretary of State Gigi Dennis who provided us with the voter registration files for free.

  6. A frequency report of the Election Administration Survey can be found at: www.unm.edu/~atkeson.

  7. We strongly recommend a FAQ because the phone calls about this issue stopped after we included it on the website.

  8. Seventeen mail surveys were returned, all of them voters. In NM1 10% (n = 5) and in COCD1 about 5% (n = 3) of sample letters were returned, even though we had received no returned post cards from these addresses in previous contacts. Thus, lower mail delivery quality may be an important concern in terms of sample recruitment and in evaluating the quality of the sample. Therefore, when implementing this type of survey researchers should carefully monitor the returned mail and use first class mail to ensure return delivery.

  9. Because of page constraints one question had to be moved elsewhere.

  10. Many unreachable were inactive voters who are sent an official mailing from the County Clerk or the Secretary of State that is returned as undeliverable. This suggests that removing inactive registered voters from the population frame would be a prudent and cost effective research design measure in any future study iteration.

  11. A partial survey is less than 50% of substantive questions completed with something other than don’t know or refused.

  12. This is the minimum response rate (RR2) as defined by the AAPOR (AAPOR 2008).

  13. The cooperation rate is the minimum cooperation rate (COOP2) by AAPOR (AAPOR 2008).

  14. Our higher voter validation compared to the ANES may be due to the fact that the population frame is registered voters while the ANES population frame is citizens.

  15. We note there may be some error in our matching. There is also likely some error in the voter registration files (Cassel 2004; Presser et al. 1990). For example, the official 2006 canvass for Bernalillo County reported 198,611 voters, but the voter record file we have indicated that only 194,582 voters cast ballots, a difference of 4,029 votes. We also know that when voters move their vote history follow them to their new voting location, but the voting location for those votes does not. Therefore, some errors are created in the way in which the file is administered. Voter files are not well characterized yet (but see McDonald 2007).

  16. Because Colorado had very few Hispanic voters, we matched Hispanic surname with the New Mexico sample only (See Word and Perkins 1996).

  17. Spanish language contact letters, postcards and survey were not included in our study. Theoretically this choice could hurt our response rate among Spanish-speaking sample members. In a 2008 phone study, we provided this option and 1.8% of sample respondents chose to take the survey in Spanish suggesting the problem is relatively small. In addition, 80% of Hispanics speak English at home or describe themselves as fluent in English in Bernalillo County (U.S. Census Bureau 2008). According to the U.S. Census Bureau, New Mexico Hispanics have the highest English fluency across the states. Thus, any impact is likely very small.

  18. House campaign activities include: attending a rally, fundraising, canvassing, convincing others, writing a letter to a magazine/newspaper or Internet site, advertising (e.g. sign, bumper sticker, button), and contributing money. We also counted the number of ways respondents learned about the US House candidates in their district including: met him/her personally, attended a meeting or rally, contacted in-person by candidate, party or interest group, received an e-mail from candidate, party or interest groups, contacted by phone by candidate, party or interest group, visited candidate, party or interest group web site, or read online or local newspaper.

  19. We substituted the income mean for system-missing codes because of the large number of missing data.

  20. These include: No One Encouraged Respondent to Vote, Did Not Have to Show ID to Vote, Never Had a Problem with Voting and the Ideology of Democratic House Candidate, Trust in Government, Satisfaction with the 2006 Fall Election, and Political Discussion.

  21. The quality of voter registration files varies by states and localities and this may influence the ability to adequately pursue this type of design.

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Acknowledgements

The authors would like to thank Wendy Hansen, Tim Krebs, Walter Stone and the editors for their helpful comments, edits, and feedback. We would like to thank the Resource Allocation Committee at the University of New Mexico and the College of Arts and Sciences at the University of New Mexico for providing us with the funding to complete this study. Of course any errors are our own.

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Correspondence to Lonna Rae Atkeson.

Appendices

Appendix A

Sample Contact Letter

November 7, 2006

Dear NAME & ADDRESS:

This election year was very important and exciting as we decided which party would control Congress and which candidates would best represent our national and local interests. Your part in this drama as a registered voter, whether or not you participated in the election, is especially important to the health of our democracy. We would like your help in assessing the congressional campaign in your district and your experiences with the election process. Given recent electoral controversies and changes in election law it is important to understand how well our democratic process is working. Thus, we seek your help. Only a few citizens from your district were randomly chosen to participate in this study and, therefore, your participation is extremely important to the success of this valuable research, which will be given to policymakers through our research reports.

We have placed an Internet survey online at: http://votenewmexico.unm.edu (please note there is no www or @ sign, just type this address into your web browser, such as Internet Explorer). We would greatly appreciate if you would take the 15 min to complete our survey.

If you do not have access to a computer, we still need the vital information you possess! Please request a mail survey by calling our toll free number at 1-(866)-568-6455. We will mail it out immediately at no cost to you.

You will notice at the top of this form an identification number next to your name (ID#: XXXX), please use this number when the survey asks for it. This identification number is for internal purposes only so we may check your name off of the list when your survey is complete. Please be assured that your answers will be held in complete confidentiality. We will only use your answers in a statistical summary and your answers will never be associated with your name. Your participation is, of course, completely voluntary, so if there are questions that you would prefer not to answer, simply skip them and go on with the survey.

If you have questions or need assistance in any way, please call us at the toll free number above, or our offices at 1-505-277-7592 or 1-970-491-5751, or e-mail us at atkeson@unm.edu or kyle.saunders@colostate.edu.

If you have other concerns, please contact the Institutional Review Board at the University of New Mexico, 1717 Roma NE, Room 205, Albuquerque, NM 87131, (505) 277-2257 or toll free at 1-866-844-9018.

We look forward to hearing from you! Thanks!

Lonna Atkeson    Kyle Saunders

Professor    Assistant Professor

University of New Mexico    Colorado State University

Appendix B

Sample Reminder/Contact Postcard

Dear New Mexico Registered Voter:

A couple of weeks ago we sent you a letter telling you about our 2006 Election Administration Survey. We know you are extremely busy, but you are part of a select group of people we have asked to participate and therefore your response is extremely important to the success of our project.

Please assist us by taking a few moments to complete our fun Internet survey! The study’s web address appears below. Please note there is no www or @ sign in the web address. Also, please be assured that your answers are confidential. So we can check your name off our list, please use your identification code, which is located right above your name on the mailing label of this post card (e.g. ID#XXXX).

http://votenewmexico.unm.edu/

Your participation is completely voluntary. If there are questions that you prefer not to answer simply skip them. If you have any question about this project, or would prefer a mail survey, please call me toll free at 1-866-568-6455, or at my work phone at 1-505-277-7592 or contact me via e-mail at atkeson@unm.edu.

We look forward to hearing from you!

Thank you,

Lonna Atkeson

Professor

University of New Mexico

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Atkeson, L.R., Adams, A.N., Bryant, L.A. et al. Considering Mixed Mode Surveys for Questions in Political Behavior: Using the Internet and Mail to Get Quality Data at Reasonable Costs. Polit Behav 33, 161–178 (2011). https://doi.org/10.1007/s11109-010-9121-1

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