For each jypotheses, indicate whether you think the independent variable should be a between- or a within-subjects variable or whether either...

For each jypotheses, indicate whether you think the independent variable should be a between- or a within-subjects variable or whether either approach would be reasonable. Explain your decision in each case.

An industrial psychologist predicts that worker productivity will increase if the company introduces flextime scheduling (i.e., work eight hours, but start and end at different times).