| http://www.w3.org/ns/prov#value | - collecting information from respondents in a non-standardized, individualized manner ??? ??? ??? Interview, documents, physical observation three broad types of empirical observation ??? ??? ??? Interviewer Bias the interviewer's influence on the respondent's answers, an example of reactivity ??? ??? ??? Leading Question a question that encourages the respondents to choose a particular response ??
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