The research should be Quantitative Research:
A means for testing objective theories by examining the relationship among variables. These variables can be measured and analyzed using statistical procedures.
1. Is there a difference in the amount of flash produced when varying the temperature by 10 degrees F?2. Is there a difference in the amount of flash produced when varying the injection pressure by 200 psi?3. Is there a difference in the amount of flash produced when varying the ram speed by 20%?