PSYB04H3 Lecture Notes - Lecture 6: Cardiovascular Disease, Inductive Reasoning, Construct Validity
Document Summary
Assume that it"s association until you see evidence that it"s causal. Both variables are measured, not manipulated nothing is being varied and changing from situation 1 to situation 2; e. g. the drug study manipulated the amount of drug received. E. g. tanning enthusiasts may have underlying psychiatric disorders cherry-pick from the stu available and nd stu that will be interesting to people. E. g. suicide risk rises among family, friends of suicide victims. Looks at whether and to what degree measured variables are related: purpose is to examine relationships ( nd out what the relationship is, how strong it is and the direction) and make predictions (regression analysis) Can"t indicate cause and e ect if they made this claim, it would be false. 2 variables in study bivariate correlation. 3+ variables (unlimited amount of variables are allowed) multivariate correlation; depicted in 3d space.
