Read the description for each study and then identify if the study is: experimental, quasi-experimental, or descriptive. Explain why you choose each design. You should have three answers with explanations. This study examined the effectiveness of home delivery (3 months) of dinner and snacks to elderly at nutritional risk. The control group did not receive any meals or snacks. Each participant was allocated based on where they lived. The elderly who received the meals/snacks gained more weight than the control group. This study looked at the beverages shown in teenagers' favorite shows. Each television character who drank during the show was categorized by age and gender. Alcohol was the most common beverage. This study assessed if the DASH diet could lower blood pressure in borderline hypertensive adults. The study included patients with borderline hypertension in 10 primary care practices in a major urban area. Participants were randomly assigned to the experimental or control group. Blood pressures were measured at baseline and monthly for 1 year