PSY 606 Lecture Notes - Lecture 4: Confounding, Blind Experiment, Dependent And Independent Variables

• School: Ryerson University
• Department: Psychology
• Course: PSY 606
• Professor: Meagan Mackenzie

Document Summary

Testability: hypothesis: testable prediction of way of studies would go, research design: procedure of how the hyp would be testable, independent variable (iv): manipulated variables, dependent variable (dv): constant variables. Outcome of which we are measuring at the end. Basic components of a research study: internal validity; external validity. Internal: extend to confirm that independent affects my dependent variable. Internal validity is the extent to which you can be confi dent that the independent variable is causing the dependent variable to change. External: findings applicable to wordwide. how well the results relate to things outside your study in other words, how well your fi ndings describe similar individuals who were not among the study participants. Control group: comparison group that is not treated with independent variable. Clinical tell us if there is a big difference between the groups: statistical versus clinical significance. Statistical: a mathematical calculation about the difference between groups)