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?

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period.the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided.a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs.an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.