PSY328H1 Lecture : Lecture 2-The Law.docx
Document Summary
Correlational research: establishes whether there is a relationship between two or more variables, cannot infer causality, directionality problem, does a cause b or b cause a, potential for a third variable (confound, can affect the dependent measure, not possible to compensate for all confounds, self esteem and gpa is moderately positively correlated, directionality problem exists here does self esteem affect. Experimental research: considered the most powerful tool for determining causal relationships, important for treatment, prevention, diagnosis and many other factors, random assignment: ensures that every participant has an equal chance of being assigned to any of the conditions, probability suggests that all the probability inhuman beings will be randomly assigned, random assignment is not always reliable, this minimizes the chance that a pre existing difference between groups is the cause of the experimental effect , there is a chance that a test"s results will not be able to be repeated.
