In the decades following the civil war, industrial technology progressed to such an extent that a) a more educated workforce was needed to run the machines. b) most manufacturers found that they no longer needed human labor power. c) traditional craftworkers were able to maintain their share of the marketplace. d) manufacturers were able to hire cheap labor to cut costs and maximize profits.

The process of learning acceptable social behavior and values is called

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.

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society