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presumption of a five/ ninet}~-five split in the sample data, 2) Calculated presuming a <br />twenty-five/ seventy-five proportion, and 3) Calculated most conservatively, which is <br />based upon the presumption of a fifty/ fifty proportion in the survey data. <br />Sample Population (N=5,0001 <br /> 5/95 25175 50; 50 <br />Required Sample Size 75 283 370 <br />To achieve a confidence interval of plus or minus 5%, interviews must be completed with <br />a minimum of 370 unique clients. If Santa Ana WIB desires to make comparisons <br />between customers based on racial/ethnic category, education level, industry sector or <br />some other factor, however, a larger sample will provide.more robust estimates of these <br />sub-groups. Due to the high proportion of Hispanic/Latino clients served by the WORK <br />Center, we recommend a total of 400 interviews with English and Spanish-speaking <br />universal access customers approximately proportionate to their distribution in the . <br />population of all unversal access customers. The specific sample design will be <br />confirmed with WIB staff, but the place holder is to conduct telephone interviews with a <br />separate set of 100 unique clients each quarter, and to conduct follow-up interviews with <br />subsets of clients interviewed in previous quarters as funds permit. <br />Data Analysis and Report Production <br />The SSRC utilizes appropriate statistical techniques to analyze both quantitative and <br />qualitative data. Dr. Robinson instructs graduate and undergraduate courses in statistics <br />and research methods for the CSUF psychology and sociology deparhnents, respectively. <br />By maintaining this linl: to the instructional mission of the University, he stays abreast of <br />the latest statistical and methodological advances. In addition to our highly trained and <br />experienced staff, as aUniversity-based research center, the SSRC has access to scholars <br />active in their respective fields that can provide a wide range of expert consultation. <br />SSRC researchers are skilled at presenting analytic results in apractitioner-friendly <br />format to ensure accessibility to a wider audience. For instance, all tabular and graphical <br />data are preceded by interpretive text that direct the reader's attention to the most salient <br />aspects of the analysis. To ensure a final report that meets Santa Ana WIB's needs, a <br />draft report will be circulated for feedback. <br />25N-33 <br />