Alexa and eduardo want to do a sociological study of working mothers in brazil. alexa wants to begin with some general theories about working moms in brazil and then make hypotheses based on those theories. eduardo prefers to collect data first by interviewing a representative sample of working brazilian mothers and then formulate a theory to explain their findings. in this example, alexa prefers to use while eduardo would rather use

What role did natural resources play in african politics?

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.

Which country had the most spiritual influence on classical china? a) india b) japan c) korea d) mongolia