CMN 2101 Lecture Notes - Lecture 8: Narcissism, Jargon, Sampling Frame

• School: University of Ottawa
• Department: Communication
• Course: CMN 2101
• Professor: Mohammed El Hashash

Document Summary

Survey research: from past to present: the more people you survey, the better, in 1950s, response rates of 90% were typical. Now, more and more people refuse to answer. *some demographics unreachable (young adults & ppl with cell phones: sampling rule of thumb: For a population of below 500, a sample size of 30% is required. For a population over 150, 000, a sample size of 1% is needed. For 10 million+, a sample size of 0. 025% is needed: solutions to increase response rates: Web-based and email surveys increasingly used to encourage participation. Macelroy (2000) found that drop-out rates decrease with incentives and increase with questionnaire length. Incentives include gifts, cash, entry in a contest, altruism. Types of surveys (4) (p. 289-292: 1. Coverage, privacy, verification, identifying population and sample size: 3. + can reach large % of pop. High costs, time constraints, and interview bias. Make them mutually exclusive - categories do not overlap.