GVPT 100 Lecture Notes - Lecture 7: Control Variable, Spurious Relationship, General Social Survey

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Important: control variable is not the same thing as control group, control group: gets the placebo treatment, or is not altered, control variable: included i models to account for rival explanations. Individuals may act in ways they think researcher wants: more terms to know, research design: overall setup for looking at the relationship between x and y, experimental design: ensure test and control group are the same in every. Examples: medical, steps, hypothesis: in comparing individuals with colon cancer, those who receive. Implementation problems design: cannot manipulate everything, ethical concerns, examples, effect of democracy on economic development, effect of war on trade. In an experiment, the research assigns individuals to a control and treatment group: however, in social science, we often do not have this power, so, in observational research, we attempt to observe the effect of a treatment. In true experiments, researcher decides who receives control and who receives treatment.

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