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i o For our telephone interviewing projects, Godbe Research uses only live interviewers who have been trained on the survey questionnaire and who are located in the western United States. - Pre-testing the survey instrument in both modalities to ensure that the questions and response codes are understandable to respondents, and to ensure that the survey length coincides with the budgeted survey length for the project. - Development of a recruitment email for the Internet version of the survey and working with the City to send recruitment emails to voters with email addresses in the voter file for the 2015 City Satisfaction Survey. o Based on the City's preference and communications policies, we can develop the recruitment email and process to be completed by our 'white listed' provider, or the City can send recruitment emails internally where respondents are re-directed to our web site to take the survey. o Finally, we can also match any internal email lists the City has (e.g. park and recreation lists, City communications lists, water service lists, etc.) to the file, so that we can include additional voters that do not have email addresses on file with the State Voter File or County Registrar of Voters due to information collected during registration. • Development of a stratified and clustered listed sample of Redwood City voters. The listed sample will first be constructed using email addresses from the voter file, as the Internet modality will be conducted first in the hybrid survey process. Once we have developed the Internet sample, the rest of the sample will be de- duplicated by matching names, addresses, and phone numbers from Internet survey respondents to those in the voter file. We will then remove any voter from the telephone survey sample who previously completed the survey via the Internet. Further, we will ask telephone survey respondents in that sample iF they have already completed the survey via the Internet and will remove those voters from the survey process through a screening question. o For review, there are a total of approximately 35,542 voters in Redwood City. Within the voter file, we have email addresses for approximately 8,699 voters or about 24% of the total voting electorate and 35% of the total households in the City. We also have approximately 4,193 cell phone numbers, which represents about 12°/o of the telephone numbers in the voter file. • Conducting approximate 15 to 20-minute Internet and telephone interviews with 400 (n=400) total Redwood City voters according to a strict interviewing protocol and our approved sampling design. A sample size of 400 will provide for a margin of error of no greater than +/-4.9% at the 95% corifidence level, when looking at all voters, as well as all residents, in the City of Redwood City. ATTY/AGR/2015/AMENDMENTS/AMEND N0.1 GODBE RESEARCH—AMENDMENT TO AGR FOR PROFESSIONAL SERVICES REV:07-02-15 VR Page 4 of 6