A medical doctor believes that the presence of aromatherapy will reduce the anxiety of first-time mothers-to-be during labour and will increase their reported satisfaction with their care at his hospital.He randomly assigns mothers to give birth in a room either with or without aromatherapy.What is the independent variable in this example?

Question

Quizplus · Accepted Answer

The independent variable is the factor that is being manipulated in the study, in this case, it is the presence or absence of aromatherapy in the birthing room. Therefore, the correct answer is A, Room environment.

A Medical Doctor Believes That the Presence of Aromatherapy Will