Many Large Scale Interventions Have Been Designed to Reduce Problem

question 22

Essay

Many large scale interventions have been designed to reduce problem behaviors in adolescence such as drinking,drug use,smoking,etc.)or to increase positive behaviors.Discuss some of the typical characteristics of the least effective and the most effective of these programs to date,based on available research.Use examples where possible.,

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Definitions:

Internal Rate of Return

A financial metric used to evaluate the profitability of an investment, representing the interest rate at which the net present value of all the cash flows (both positive and negative) from a project or investment equal zero.

Required Rate of Return

The minimum annual percentage return a investor expects to achieve from an investment, considering the risk involved.

Simple Rate of Return

A method of evaluating the financial performance of an investment by dividing annual incremental operating income by initial investment.

Cash Flows

The total amount of money being transferred into and out of a business, especially affecting liquidity.