In an Evaluation of an Intervention That Seeks to Reduce

question 14

Multiple Choice

In an evaluation of an intervention that seeks to reduce depression scores among the frail elderly, the mean of the experimental group is 30, the mean of the control group is 60, and the standard deviation is 10. Cohen's d effect size is​

• A) ​3
• B) ​minus 3
• C) ​30
• D) ​10

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Definitions:

Employment Decline

A reduction in the number of jobs or the rate of employment within an economy.

Economic Profit

The discrepancy between overall income and the sum of all expenses, covering both direct and indirect costs.

Profit-maximizing

The process or strategy of adjusting production and sales to achieve the highest possible profit levels under given conditions.

Elasticity

An indicator of the extent to which the demand or supply of a product or service shifts when there is a variation in its price.