SY280 Study Guide - Final Guide: Postpartum Depression, Simple Random Sample, Anxiety
Document Summary
4 short answer( 2 worth 4, one 6, one 5 ) If people know they are being studied may act differently: using composite measures. Put together two or more indicators and get composite measure. To measure post partum depression might ask: variety of q"s that would indicate. Proxies: can indirectly measure attitudes, beliefs, feelings, hard to get at, the researcher formulates explicit rules outlining what behaviours are to, observation schedule be observed and how the observations are to be recorded. A clear focus, research problem clearly stated, who is being researched. Problems if schedule needs too much interpretation: reliability, validity, internal. Inter observer consistency, how closely they agree when coding. Intra observer consistency, consistency in the using the schedule by a single observer over time. Measure what it is supposed to measure. Intersubjective, expert based validity: based on internal logic of the scale. Look at the items in a scale- ask do the items make sense.
