A community policing program began in an entertainment area in a large metropolitan area. City leaders are interested to see if the change in policing strategy has reduced the number of crimes and has asked faculty from a local university to complete a study. What type of evaluation would be best?
a. interrupted time-series
b. ex-post evaluation
c. non-equivalent groups
d. class experiment
Question 2
Nesting a quasi-experimental design within a randomized experiment refers to:
a. a way to study specific parts of a town
b. a way of backing up a true experiment
c. a substitute for a classical experiment
d. a way to examine the impact of the experiment on the subjects
Large Tortoiseshell
Matthew Ritchie, three stills from The Iron City.
A container in the shape of a right circular cylinder with no top has surface area square feet.
A container in the shape of a right circular cylinder with no top has surface area square feet.
The 1980 Mount Saint Helens eruption obliterated the community at the base of this Cascade volcano.
The forces of diffusion and electrostatic pressure. (a) In diffusion, solutes move from an area of h