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Minneapolis based full-service market and research firm <br />With almost 50 years of combined experience in market and opinion research, Bill Morris and Peter <br />Leatherman know the industry inside and out, and they know how best to serve their clients efficiently <br />and effectively. <br />Research Methods <br />COMPARISON OF ADVANTAGES AND DISADVANTAGES: Mail -Out Census <br />versus Telephone Survey of Random Sample <br />Mail -Out Census: In this type of approach, a written questionnaire is sent to all the households in a <br />community. The survey "package" may or may not include a stamped, self-addressed return envelope. <br />The questionnaire requires respondents to follow directions and answer each question in a specific <br />manner (circling a letter, checking a box, etc.). After a specific period of time, all residents are mailed a <br />reminder postcard. Results are based upon the number of returned surveys at the pre -announced "cut- <br />off' date. <br />Telephone Random Sample: In this type of approach, a random sample of households is selected to be <br />interviewed by telephone. All households have an equal chance of being selected and the adult <br />respondent in each household is also chosen randomly. Questionnaires are administered over the <br />telephone by trained and supervised interviewers. Telephone numbers are tried at least six times during a <br />one-week period and an additional six time a second week before another household is substituted for <br />the original selection. Results are based upon a pre-set number of completed interviews. <br />