Question 1
Is the study experimental or observational?
An Information Technology Manager compares the average time required for 12 megabyte downloads using a standard dial-up connection and using a cable modem.
◦ Experimental
◦ Observational
Question 2
Is the study experimental or observational?
A doctor induces a cardiac stress test to determine the reason for a patient's illness.
◦ Observational
◦ Experimental