3. An experiment is conducted to determine whether or not Advil helps reduce symptoms of headache pain. One group of hea
Posted: Wed May 11, 2022 8:16 pm
3. An experiment is conducted to determine whether or not Advil helps reduce symptoms of headache pain. One group of headache sufferers are given a dose of Advil, and another group of headache sufferers are given a dose of vitamin C. After one hour, the researcher measures their level of pain. The type of medicine they received is the variable, and their level of pain is the variable.