What are the similarities and differences among 1) observational research strategies, 2) experimental research designs and 3) single case experimental designs? How does each of these research designs allow psychologists to make statements about the efficacy of treatment?
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What are the similarities and differences among 1) observational research strategies- is when you 'watch' the test subjects. There usually is very little interaction or disturbance to the subjects on behalf of the researcher. The researcher will gather data by watching, hearing, or reading about the behavior of the subjects. In some cases data is collected by others who know the subjects.
Koordeman, R., Anschutz, D., van Baaren, R., & Engels, R. (2010). Exposure to soda commercials affects sugar-sweetened soda consumption in young women. ...
Four short questions are answered with references in relation to the similarities and differences among various research designs in abnormal psychology.