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Cards In This Set
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CATI
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Computer-assisted telephone interview
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Closed-ended questions
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Limited number of response alternatives are given. more structured approach; easier to code and response alternatives are same for everyone
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Cluster sampling
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Method of sampling in which clusters of individuals are identified. Clusters are sampled, and then all individuals in each cluster are included in sample
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Confidence interval
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Interval of values within which there is given level of confidence (e.g. 95%) where the population value lies
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Face-to-face interval
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Require interviewer and respondent meet to conduct interview. quite expensive and time-consuming.
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Focus group
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Interview with group of about 6-10 brought together for period of usually 2-3 hours. members selected because have particular knowledge or interest in topic. requires people to both spend time and incur some costs traveling to location, usually monetary or gift incentive.
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Graphic rating scale
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Requires mark along continuous 100-mm line that is anchored with descriptions at each end. how would you rate the movie you just say?not enjoyable-------------------------------------enjoyableruler placed on line to obtain score on scale that ranges 0-100
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Group survey administration
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Questionnaires administered through mail, on internet, and with other technologies
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Haphazard (convenience) sampling
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Selecting subjects in haphazard manner, usually on basis of availability, and not with regard to having a representative sample of population; type of nonprobability sampling
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High-frequency scale
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Schwarz calls first scale a high-frequency scale because most alternatives indicate high frequency of exercise.
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Internet survey
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Survey on internet, both open- and close-ended questions. responses immediately sent to researcher. drawbacks: results similar to using traditional methods (proper sampling), and ambiguity about characteristics of individuals providing info for study. Misrepresent their age, gender, or ethnicity
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Interviewer bias
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Intentional or unintentional influence exerted by an interviewer in such a way that the actual or interpreted behavior of respondents is consistent with the interviewer's expectations
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Mail survey
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Surveys mailed to individuals at home or business address. drawback: potentially low response rates.
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Nonprobability sampling
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Type of sampling procedure in which one cannot specify the probability that any member of the population will be included in the sample
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Open-ended questions
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Respondents are free to answer in any way they like. require time to categorize and code the responses and are therefore more costly
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