Amedical researcher hypothesizes that a new drug can reduce cholesterol. which of these would most likely be the dependent variable in the study involving this medication? a) the number of participants in the study b) the ages of the people treated for cholesterol with other medications. c) the cholesterol level of the participants in the study d) the number of people treated for high cholesterol with other medications

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous