POL SCI 3 Lecture Notes - Lecture 22: Trace Evidence, Content Analysis, Internal Validity
18 Nov 2016
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Considerations (1) who created it: text vs. observations (2) how did the researcher intervene (if at all), observational vs. self-reporting. Trace evidence (accretion things that pile up vs. erosion measures things that go away: erosion signal consumption/ usage, accretion signal accumulation. Sometimes researchers cannot measure phenomena through interviews or observations, then they rely on documents, reports and other written, oral or visual materials. Quantitative analysis of texts (broadly defined: original could be written, spoken) Come up with consistent coding schedule we apply to all recording units to measure some attribute of the text (information, negativity, bias etc. ) Respondents vs. informants: respondent: inquiring because you are interested in them, they are your cases, informant: you are interviewing people because they are experts about what you care about. Modes of ftf, phone, saq ppl you are interested in) Sampling: to gain information about the whole by examining only a part. Population the entire group of objects about which information is wanted.
