PSC 41 Lecture 7: Lecture 7 - 4/27/17
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PSC 41 Full Course Notes
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Outline research tools: observations, types of observations, construct validity, surveys, writing the questions, construct validity, limitations (cid:862)e(cid:448)e(cid:396)(cid:455)thi(cid:374)g (cid:449)e hea(cid:396) is a(cid:374) opi(cid:374)io(cid:374), (cid:374)ot a fa(cid:272)t. e(cid:448)e(cid:396)(cid:455)thi(cid:374)g (cid:449)e see is a pe(cid:396)spe(cid:272)ti(cid:448)e, (cid:374)ot the t(cid:396)uth. (cid:863) Info that was documented for other purposes: digital footprints, ex: dmv records, tax records, etc, records that are generated by your behavior. Observers may see what they expect to see. We would able to see the gist of what was going on: observers can affect what they see. Solutions: blind observer, unaware of the hypothesis of the study, unaware of which group each participant is in, observer effects (hawthorne effect) Participants will be reactive that is, they will act differently when they know they are being observed. Solutions: be unobtrusive, allow time to acclimate. Types of closed survey questions: yes-no questions, multiple choice questions, forced-alternative questions. Many of the unhappy things in people"s lives are partly due to bad luck.
