To be confident that a cause-and-effect relationship exists, it is necessary to:
A. Engage in naturalistic observation B. Develop a positive correlation
C. Perform a controlled experiment
D. Test for a negative correlation
To be confident that a cause-and-effect relationship exists, it is necessary to: | Perform a controlled experiment | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database