PSYC 2030 Midterm: Exam 2- Research Methods Review.docx
30 Oct 2013
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Woodworth took experiment and gave it the definition it has today. Defining feature of experimental method, woodworth called independent variable, which affects the dependent variable. Experimenter holds all conditions constant except for one factor which is his experimental factor, independent variable. Observed effect is depended variable, is some characteristic of behavior or reported experience. Correlational method: measures two or more characteristics of the same individuals and computes correlation of these characteristics. Has no independent variable but treats all measured variables alike. Experiment: systematic research study in which investigator directly varies some factor, hold all other factors constant, observes results of variation. Factors held constant referred to as extraneous variable. Box 5. 1: john stuart mill and the rules of inductive logic. John stuart mill wrote a system of logic, ratiocinative and inductive. Mill argued for creation of a science of psychology, called it ethology. Methods that form logical basis, methods of agreement, difference, concomitant variation called joint.
