PO217 Final: PO 217 Final Exam Review.docx
Document Summary
In order to do so, there are a number of things we need to do (can never be 100% sure, but can certainly increase our confidence): demonstrate co variation show that when the iv changes (female to male), then there is a change in the dv, establish time order we have to see a change in the iv before we can see a change in the dv, eliminate sources of spuriousness make sure it is not some 3rd factor that has caused each variable to change. Condition variable are variable that literally condition the relationship between the iv and the dv by affecting: strength of the relationship between the iv and the dv (i. e. how well do values of the iv predict values of the dv, form of the relation between the iv and the dv (i. e. which values of the db tend to be associated with which values of the iv.
