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Unformatted text preview: Confidence Level: The percentage of certainty that the results of a survey would be the same if replicated Probability Sampling: Every individual in the population has an equal chance of being selected NonProbability: Surveying whoever is available Sampling Error: measured as a margin of error Nonsampling Error: Human error in selecting the sample and designing and implementing the questionnaire Purposive Sampling: Identifying and surveying opinion leaders to determine attitudes and behaviors Stratified Sampling: Selecting the sample to ensure proportionate representation of segments within the universe Panel Study: A group of respondents who agree to be surveyed repeatedly to track opinion and attitude change over time...
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This document was uploaded on 01/30/2011.
- Spring '10