Ennett and Colleagues 2003)surveyed a National Sample of Schools in the United

question 13

Multiple Choice

Ennett and colleagues 2003) surveyed a national sample of schools in the United States about programs they used to prevent substance abuse,and found that

• A)nearly all programs used an interactive style.
• B)approximately 75% of programs used an interactive style.
• C)about half of the programs used an interactive style.
• D)less than 25% of the programs used an interactive style.

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Definitions:

Unsafe Levels

Conditions or thresholds that exceed the accepted or legal safety limits, posing risks to health or safety.

Radioactivity

The spontaneous emission of radiation from the nucleus of an unstable atom as it changes to a more stable form.

Poisson Distribution

A probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space.

Unsafe Levels

Concentrations or situations that exceed the thresholds deemed safe by regulations or health guidelines.