The Jungle, a critical examination of Chicago's meatpacking industry, was written by __________

Randomization is used for

A) participant selection only. B) participant assignment only. C) participant selection and assignment. D) neither participant selection nor participant assignment.

Which of the following refers to a suburb?

A. a large city that is a significant economic, political, and cultural center for the region B. the local level of government below the county used primarily in 20 northeastern states C. a local level of government within counties that are usually organized around population centers D. a residential area, typically within commuting distance of a city E. the largest jurisdiction within a state