K A pharmaceutical company wants to test the effectiveness of a new allergy drug The company identifies 250 females 30 35 years old who suffer from severe allergies The subjects are randomly assigned into two groups One group is given the new allergy drug and the other is given a placebo that looks exactly like the new allergy drug After six months the subjects symptoms are studied and compared Answer parts a through c below CB a Identify the experimental units and treatments used in this experiment Choose the correct answer below OA The experimental unit is the new allergy drug The treatments are the severe allergies the patients suffer from OB The experimental units are the 30 to 35 year old females being given the treatment The treatment is the new allergy drug OC The experimental units are the symptoms from the drug The treatment is the new allergy drug OD The experimental units are the 30 to 35 year old females being given the treatment The treatment is six months b Identify a potential problem with the experiment design being used and suggest a way to improve it Choose the correct answer below OA There are no biases present OB There may be a bias on part of the experiment since only females are being tested OC There may be a bias on the part of the patients since they do not know if they were given the placebo or the real drug OD There may be a bias on the part of the researcher if the researcher knows which patients were given the real drug c How could this experiment be designed to be a double blind Choose the correct answer below OA The study would be a double blind study if the patient knew if they received the real drug or the placebo but the researcher did not OB The study would be a double blind study if all patients received the placebo and no patient received the real drug OC The study would be a double blind study if both the researcher and the patient did not know which patient received the real drug or the placebo OD The study would be a double blind study if both the researcher and the patient knew if they received the real drug or the placebo