You Are Conducting a Study of How Effective a Midnight

question 23

Multiple Choice

You are conducting a study of how effective a midnight basketball program is on reducing inner city juvenile crime. You measure the number of crimes reported to the police before and after the program is instituted, and you compare your findings to the crime rates in another city of similar size that does not have such a program. What sort of evaluation design are you using?

• A)The time series
• B)The multiple time series
• C)The nonequivalent control group design
• D)The posttest-only control group design
• E)The one-shot case study

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Definitions:

CFCs

Chlorofluorocarbons, a class of chemical compounds used in refrigeration, air conditioning, and aerosol propellants, known to contribute to ozone depletion.

Troposphere

The lowest layer of Earth's atmosphere where most of the planet's weather occurs, extending up to about 10 km above the surface.

Chemically Unreactive

Describes substances that do not easily undergo chemical reactions or change their chemical structure in the presence of other substances.

Reflectivity

The measure of the proportion of light or radiation that is reflected by a surface, often impacting climate and temperature.