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Traces changes over time by asking questions of independent samples of the same target population.

Systematic measurement error associated with question wording or characteristics of respondents and interviewers.

In this type of interview, interviewers are not supposed to deviate from question order or wording.

The least expensive survey mode, which also tends to have the lowest sample quality.

The most common survey design.

The most costly survey mode.

The object is to convince persons in the sample to participate in the survey.

Questionnaire form used by an interviewer.

Automates data collection by prompting introductions to questions, skipping irrelevant questions, and entering data directly into a computer file.

May be used to reach different sets of respondents or to ask different types of questions.

Traces changes over time by repeatedly asking questions of the same individuals.

To study relationships among social actors, every person in the group is surveyed.

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