a) By taking one single examples from your busniess research method subject, how would you relate it to a causal study and a correlational study? b) Allan et al. (2019) hypothesized that the relationship between entrepreneurs' economic stress and withdrawal intentions was mediated by depressed effect. Explain through the diagram. What it means? 1) If you have to introduce a moderating variable in the above example what it would be? Where: Economic stress is the independent variable , Withdrawal intention is the dependent variable Y, Depressed affect is the mediator.