Term
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Definition
| If the results of the sample are not representative of the population |
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Term
| 3 sources of bias in sampling |
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Definition
1. Sampling bias
2. Nonresponse bias
3. Response bias |
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Term
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Definition
| When the techniques used to obtain the individuals to be in the sample tend to favor one part of the population over another |
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Term
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Definition
| When the proportion of one segment of the population is lower in a sample than it is in the population |
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Term
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Definition
| When individuals selected to be in the sample do not respond or the interviewer was unable to contact them |
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Term
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Definition
| When the answers on a survey do not reflect the true feelings of the respondents |
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Term
| 6 ways for response bias to occur |
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Definition
1. Interviewer error
2. Misrepresented answers
3. Wording of questions
4. Ordering of questions or words
5. Type of question
6. Data-entry error |
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Term
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Definition
| A question in which the respondent is free to choose the response |
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Term
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Definition
| A question in which the respondent must choose from a list of predetermined responses |
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Term
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Definition
| Errors that result from undercoverage, nonresponse bias, response bias, or data-entry error |
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Term
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Definition
| Error that results from using a sample to estimate information about a population |
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