What Research Findings Provide an Optimistic Outlook Suggesting That Many

question 55

Multiple Choice

What research findings provide an optimistic outlook suggesting that many children with ADHD eventually outgrow the disorder?

• A) neuroimaging studies that have found differences in ventricular size
• B) neuroimaging studies that have found developmental delays in the prefrontal regions of the brain
• C) twin studies that have found support for the role of environmental factors in ADHD
• D) drug studies that have explored the effect of dopamine levels on behavior and emotional functioning

---

Definitions:

Plant Size

The scale or capacity of a factory or production facility, often measured in terms of productive capability or physical dimensions.

Diseconomies of Scale

An economic concept where increasing production results in higher per unit costs.

Long-run Average Total Cost

The average cost per unit of output over the long term, where all inputs are considered variable, allowing firms to adjust all factors of production.

Plant Sizes

The physical capacity or scale of a manufacturing facility, which can influence production volume, efficiency, and cost.