Open Access Publications

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Open access publications by faculty, staff, postdocs, and graduate students from the Center for Political Communication

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Delaware Voter Survey 2022: Methodology and topline results
(Center for Political Communication, University of Delaware, Newark, DE, 2022-09-29) Jones, Phil
The 2022 Delaware Statewide Voter Survey was funded by UD’s Center for Political Communication (CPC) with support from the College of Arts and Sciences. The study was supervised by the CPC Research Director Phil Jones, a professor in the Department of Political Science and International Relations. The study was fielded by Issues and Answers Network and obtained telephone interviews with a representative sample of 904 registered voters in Delaware. 59% of respondents were interviewed on a landline telephone and 41% were interviewed on a cell phone. Interviewing was conducted from Sept. 14-29, 2022, in English. Samples were drawn from a list of Delaware registered voters. Statistical results are weighted by gender, age, race, Hispanic identity, and county to match the population parameters of the adult population in Delaware. The margin of sampling error for the sample of registered voters is ± 3.3 percentage points. Overall, the cooperation rate was 5.0% among cell phone users and 4.8% among landline users.
Delaware Voter Survey 2020: Methodology and topline results
(Center for Political Communication, University of Delaware, Newark, DE, 2020-09-27) Brewer, Paul
The National Agenda Opinion Project research was funded by the University of Delaware's Center for Political Communication (CPC) with support from the College of Arts and Sciences. The study was supervised by the CPC's Research Director, Paul Brewer, a professor in the Departments of Communication and Political Science & International Relations. The study was fielded by Abt Associates and obtained telephone interviews with a representative sample of 976 adults living in Delaware, including 911 registered voters and 847 likely voters. A total of 327 respondents were interviewed on a landline telephone and 649 were interviewed on a cell phone. Interviewing was conducted from September 21-27, 2020, in English. Samples were drawn from both landline and cell phone random digit dialed (RDD) frames and a list of Delaware registered voters. Both the landline and cell phone RDD samples were provided by Dynata. Statistical results are weighted for telephone service, sample frame, age, gender, race/ethnicity, education, and voter registration status by county to match the population parameters of the adult population in Delaware. The margin of sampling error for registered voters is ± 4 percentage points (the margin of sampling error is larger for results from subsamples). Overall, the response rate (AAPOR RR3) was 2% for the landline RDD sample, 3% for the cell RDD sample, 4% for landline numbers from the RV sample, and 2% for cell numbers from the RV sample.
Delaware Voter Survey 2018: Methodology and topline results
(Center for Political Communication, University of Delaware, Newark, DE, 2018-09-17) Brewer, Paul
The National Agenda Opinion Project research was funded by the University of Delaware's Center for Political Communication (CPC) with support from the College of Arts and Sciences. The study was supervised by the CPC's Research Director, Paul Brewer, a professor in the Departments of Communication and Political Science & International Relations. The study was fielded by Abt Associates and obtained telephone interviews with a representative sample of 995 adults living in Delaware, including 908 registered voters. A total of 348 respondents were interviewed on a landline telephone and 647 were interviewed on a cell phone. Interviewing was conducted from September 11-17, 2018 in English. Samples were drawn from both landline and cell phone random digit dialed (RDD) frames and a list of Delaware registered voters. Both the landline and cell phone RDD samples were provided by Survey Sampling International. Statistical results are weighted to match the population parameters of the adult population in Delaware. The margin of sampling error for the sample of registered voters is ± 3.7 percentage points. Overall, the response rate (AAPOR RR3) was 14.4% for the landline RDD sample, 3.6% for the cell RDD sample, 5.8% for landline numbers from the RV sample and 6.7% for cell numbers from the RV sample.
Delaware Voter Survey 2016: Methodology and topline results
(Center for Political Communication, University of Delaware, Newark, DE, 2016-09-28) Brewer, Paul
The National Agenda Opinion Project research was funded by the University of Delaware’s Center for Political Communication (CPC) and the William P. Frank Foundation. The study was supervised by the CPC’s Research Director, Paul Brewer, a professor in the Departments of Communication and Political Science & International Relations. Results are based on telephone interviews with a representative sample of 900 registered voters. Telephone interviews were conducted by landline (450) and cell phone (450, including 187 without a landline). The survey was conducted from September 16-28, 2016, by Princeton Survey Research Associates International. Statistical results are weighted to correct known demographic discrepancies. The margin of sampling error for the complete set of weighted data is ± 3.8 percentage points. Readers should be aware that in addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of public opinion polls
Delaware Voter Survey 2014: Methodology and topline results
(Center for Political Communication, University of Delaware, Newark, DE, 2014-09-22) Brewer, Paul
The National Agenda Opinion Project research was funded by the University of Delaware’s Center for Political Communication (CPC) and the William P. Frank Foundation. The study was supervised by the CPC’s Associate Director, Paul Brewer, a professor in the Departments of Communication and Political Science & International Relations. Results are based on telephone interviews with a representative sample of 902 adults residing in the state of Delaware. Telephone interviews were conducted via landline (n=450) and cell phone (n=452 including 190 without a landline phone). The survey was conducted by Princeton Survey Research Associates International, and the interviews were administered in English by Princeton Data Source. The data were collected from September 10-22, 2014. Statistical results are weighted to correct known demographic discrepancies. The margin of sampling error for the complete set of weighted data is ± 3.9percentage points. Results based on subsamples have larger margins of error. Readers should be aware that in addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of public opinion polls.
Delaware Voter Survey 2010: Methodology and topline results
(Center for Political Communication, University of Delaware, Newark, DE, 2010-09-30) Center for Political Communication
Methodological results for the UD Center for Political Communication's “National Agenda Poll” are based on telephone interviews conducted Sept. 16-30, 2010, with a random sample of 901 Delaware adults, aged 18 and older. Respondents were selected using random-digit-dial sampling procedures targeting both cell and landline phone extensions. Based on the total sample for the poll, one can say with 95 percent confidence that the maximum margin of sampling error is plus or minus 4.1 percentage points. In addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of public opinion polls. Statistical results presented are weighted to correct known demographic discrepancies.

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