oWhat is a double-blind experiment? What threat to internal validity is it associatedwith? How does it protect against this threat?-In experimental design, what is external validity? With experimental findings, what are researchers trying to generalize to and from?oDiscuss each threat to external validity:Unrepresentative subjectsArtificial settingArtificial treatmentReactivityWhat is the Hawthorne effect?Field and Natural Experiments -What is a field experiment? -Compare field and lab experiments on internal and external validity.-What is a natural experiment?-For the following, describe the logic of the experimental design. Identify the research question, population of interest, causal process, measurement(s) of the independent and dependent variables, and key findings. Can you think of any threats to internal validity that might compromise the researcher(s)’s ability to claim that X caused Y?oClove et al. (1978)oSherman and Berk (1984)oDitmar et al. (2006)Content Analysis-What is unobtrusive research? Content analysis? How does quantitative and qualitative content analysis differ?
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- Spring '19
- internal validity, natural experiments