1A. the independent variable would be the amounts of new energy drink “Blast”
1B. in this case, the rate of performance caused by the different of amounts of “Blast” would be any effect apart from the normal performance rate of an individual i.e. the change in the performance resulting from administration of “Blast”
1C. the control group would be a group of participants to which no “Blast” is administered.
1D. placebo effect is the change caused by expectation, i.e. administration of three levels of “Blast” may cause change in performance even when it has no effect. Therefore, it is Continue reading...