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A Team of Researchers Wants to Know Whether a New

question 19

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A team of researchers wants to know whether a new crime prevention program is really effective in reducing crime in young adolescents. The researchers find two middle schools, Adams Middle School and Monroe Middle School, which serve similar kinds of students and report similar rates of theft, physical assault, and vandalism. The researchers implement the program at Adams and use Monroe as a control group. Afterwards, they discover that crime has decreased at Adams but not at Monroe. This study is a good example of a(n) _______ design.


Definitions:

Free Radical Chlorine

A highly reactive species of chlorine that carries an unpaired electron, often involved in radical reactions.

Methane

A simple hydrocarbon with the formula CH4, representing the simplest alkane and a primary component of natural gas.

Regiochemistry

The study of the principles guiding the direction or position that new bonds form in a molecule during a chemical reaction.

Free Radical Halogenation

A chemical reaction where a halogen atom is introduced into an organic molecule by free radical mechanism, often used in the synthesis of halogenated compounds.

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