PSY 333D Chapter 2: Ch 2
Document Summary
Why use it: solve an organizational problem, answer a scientific question. Rules out alternative explanations: hawthorne effect. Every study begins with a research question: specific questions are better. Hypothesis: researcher"s best guess about the result of a study, most research questions and hypotheses are based off prior research. Research setting: field = where the phenomenon naturally occurs, laboratory = an artificial or created environment. Control: helps to rule out alternative explanations, can use statistical methods or a control group in an experiment. Eliminating systematic influences: random assignment, appointed to iv group randomly, random selection, asked to participate in the study randomly. Confounds: occurs when two variables are intertwined, use control procedures can help, very important topic in i/o psychology research. Iv"s created by researcher: ability to draw causal conclusions. Quasi-experiment: violate a condition of a true experiment, e. g. cannot assign people to certain levels of iv, such as gender.
