PSCI 2024 Lecture Notes - Lecture 2: The Control Group, Random Assignment, Internal Validity
25 Jan 2017
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Research design (slide 2: a research design is the scheme that guides the process of collecting, analyzing, and interpreting data. It is a logical model of proof that allows the making of valid causal inferences: selecting the appropriate research technique is the fourth step of the scientific. Independent variables (slide 4: the phenomena thought to influence some other phenomena, thought to cause changes in dependent variable, the presumed cause, ofte(cid:374) depi(cid:272)ted (cid:271)(cid:455) (cid:862)x(cid:863) Dependent variable (slide 5: the phenomena thought to be influenced by some other phenomena, the presumed effect, ofte(cid:374) depi(cid:272)ted (cid:271)(cid:455) (cid:862)y(cid:863) Independent and dependent variables (slide 6: the independent variable is thought to cause changes in the dependent variable, x y. Normal or quasi experiments (slide 11: quasi experiments: research in which data analysis techniques or data gathering. Xiii. who find their way into the control group.
