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How Does the Cascade Model of Substance Abuse Envision the Development

question 5

Essay

How does the cascade model of substance abuse envision the development of drug problems? What are the implications of adopting this approach to intervening with an individual with a developing drug problem?


Definitions:

Weber's Law

A rule which asserts that the minimal discernible change in a stimulus is a constant proportion of the initial stimulus.

Just Noticeable Difference

Just noticeable difference is the minimum difference in stimulation that a person can detect 50% of the time, also known as the threshold of sensory detection.

Grams

A metric unit of mass equal to one thousandth of a kilogram.

Pupil

The part of the eye located in the center of the iris that controls the amount of light entering the eye.

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