CMN 2101 Lecture 16: CMN2101B - Lecture 16

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

Document Summary

Surveys: faq, can be used with other data collection methods, however, time or money limitations play a role, surveys: from past to present, the more people you survey, the better, now, more and more people refuse to answer. In 1950s, response rates of 90% were typical. Over-polling/survey fatigue, techniques like call-displays and do-not-call lists, Some demographics are unreachable (young adults and people with cellphones) In the us, studies show that 35% of americans refuse to cooperate with survey researchers. Incentives includes gifts, cash, entry in a contest, altruism: 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 10million+, a sample size of 0. 025% is needed: types of surveys 4 (pg. Jargon, slang: prestige bias mention celebrity to get someone(cid:859)s response to something but it can trigger an unwanted response depending on how they feel about that celebrity.