DrDominguez Conducted a Study of Children with Attention-Deficit/hyperactivity Disorder

question 42

Multiple Choice

Dr.Dominguez conducted a study of children with attention-deficit/hyperactivity disorder.She developed a new medication that was significantly better than placebo in treating the disorder,but this effect was not found in a similar study conducted in another laboratory.Dr.Dominguez's study has __________ internal validity and __________ external validity.

• A)high; high
• B)high; low
• C)low; high
• D)low; low

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Definitions:

Indeterminate

A condition or situation that is uncertain or not clearly fixed, often characterized by a lack of clear direction or outcome.

Total Cost

The complete cost of production, including both fixed and variable costs, incurred by a business in producing a good or service.

Cost Of Capital

The return rate that a company must earn on its investment projects to maintain its market value and attract funds.

Cost Of Labor

The total expense incurred by employers to compensate their workforce, including wages, salaries, benefits, and other related costs.