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North Suburban Communications Commission Cable Study <br />the 10 member cities of the NSCC service area that are subscribers to the <br />Comcast cable TV system. <br />It is also important to note that the very nature of survey research is such <br />that respondents' opinions and attitudes, while statistically valid within the <br />margin of error quantified above, are measured at a particular point in time, <br />similar in concept to a photographic "snapshot." As a respondent's <br />information, knowledge and field of reference change so, too, may the <br />respondent's opinions and attitudes regarding the subjects and areas tested. <br />It is, therefore, useful and valuable to undertake future comparative <br />measurements to get a more complete longitudinal picture of the sample <br />universe and to use a variety of research methods or "tools" to gain a more in <br />depth understanding of opinions and attitudes. <br />Finally, the data were electronically imported to allow for inspection, <br />demographic weighting where necessary, computerized statistical analysis, <br />graphics and table production. <br />Group W Communications, LLC 2 <br />4 <br />