The levels of social life on which social scientists focus are called

Which of the following was featured in the middle-class lifestyle of the gilded age? a new emphasis on acquiring goods a return to classical ideals renewed interest in controlling journalists a reflection of rural values

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.

Why does the united states constitution require that a national census be taken every ten years?