Dr. Doolittle is the veterinarian at an animal hospital. She is trying to decide whether to perform surgery on a golden retriever. She asks for advice from her two veterinary assistants. She tells one assistant, David, that of the 100 dogs who have had the same surgery, 60 survived. She tells another assistant, Loren, that of the 100 dogs who have had the same surgery, 40 died from the surgery. According to research on framing effects, what will the assistants recommend?