Because Researchers Are Generally More Concerned with Establishing Internal Validity

question 3

Multiple Choice

Because researchers are generally more concerned with establishing internal validity rather than external validity, they are typically more concerned with ______and less concerned with ________.

• A) random selection; random assignment
• B) random assignment; random selection
• C) populations; samples
• D) samples; populations

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Definitions:

Profit Margin

A financial metric that measures the extent to which a company or business activity makes money, expressed as a percentage of revenue.

Profit Margin Ratio

A financial metric that measures the percentage of revenue that exceeds the cost of goods sold, indicating the efficiency with which a company produces goods.

Gross Margin Ratio

A financial metric that measures the difference between revenue and cost of goods sold, expressed as a percentage of revenue.

Return On Total Assets

Return On Total Assets (ROTA) is a financial metric used to assess a company's profitability by comparing net income to its total assets. It illustrates how efficiently a company uses its assets to generate profit.