Which of the following differences between cities and suburbs is the LEAST important obstacle to the development of metropolitanwide policies and government institutions?

Evelyn has a new speed reading program she wants to test. She trains 6 people on her program, then measures their reading speed. This is an example of which experimental design?

a. one-group posttest-only design b. one-group pretest-posttest design c. non-equivalent posttest-only design d. non-equivalent before-after (pretest-posttest) design

De jure segregation is:

A. established by law. B. caused indirectly by factors such as the cost of housing and where people choose to live. C. simply a traditional practice; its origins are unknown. D. all of the above