BPK 140 Chapter Notes - Chapter 2: Blind Experiment, Observer-Expectancy Effect, Scientific Method
29 Jan 2016
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Scientific evidence is explaining things in a mechanistic way cause & effect (the. Use scientific method to find scientific evidence (experimental & epidemiological: experimental evidence starts out with. Hypothesis: test out the hypothesis but factors can interfere w/ the results to control this, have diff. samples. Time: can be an issue b/c of long latent periods. Effects don"t show up: problems with experiments for a long time. Ethical consideration: can"t undertake in procedures that increase risk. Solution to this is to use: animal experimentation controversial, tissue cultures, computer modeling (due to complexity of human body, can"t, epidemiological evidence replicate it exactly) Epidemiology: branch of health science concerned with the distribution and determinants of disease. Factors that allow association = causation: how strong is the association, dose-response has a + relationship b/w 2 factors, consistency, temporally correct: time frame of a ex. disease forming is correct, biological plausibility. What is seen in clinics, evidence from the experience of clinicians.
