The Key Difference Between Validity and Reliability Is That ______

question 24

Multiple Choice

The key difference between validity and reliability is that ______.

• A) validity is about the consistency of results, while reliability is about the accuracy of capturing the study population
• B) reliability is about the consistency of results, while validity is about accurately capturing the study population
• C) validity is about the consistency of results over time, while reliability is about the extent to which a measure actually measures what it is intended to capture
• D) reliability is about the consistency of results over time, while validity is about the extent to which a measure actually measures what it is intended to capture

---

Definitions:

Contribution Margin

The amount by which sales revenue exceeds variable costs of production, indicating the contribution towards covering fixed costs.

Fixed Costs

These are expenses that do not change with the level of output or sales, such as rent, salaries, and insurance.

Variable Selling

Expenses related to sales that vary with the level of sales activity, such as commissions or shipping costs.

Administrative Costs

All executive, organizational, and clerical costs associated with the general management of an organization rather than with manufacturing or selling.