PSY-2213 Lecture Notes - Lecture 2: Confounding, Design Of Experiments
Document Summary
Correlational (non-experimental) measuring two or more variables examine relationship between those variables. Experimental study manipulate a variable and measure another variable participants must be assigned to the groups cannot be pre existing groups like majors an experiment in social psych is a study rather than the typical connotation of experiment. Advantage: results allow for predictions to be made. Experimental studies advantages and disadvantages advantage: can draw cause/ effect relationships disadvantage: many variables are difficult or impossible to manipulate. *on exam you will have to read description and name whether it is correlational or experimental* Kids who own a house do better in school than kids whose parents don"t own a house alternative explanations: stay in the same area, not much moving higher income, more likely able to provide more assistance for kids. In order to draw cause and effect conclusions, properly designed experiments must be conducted.
