There Is a Relationship Between Reliability and Validity

question 39

Multiple Choice

There is a relationship between reliability and validity.Which of the following is true?

• A)A test cannot be valid unless it is reliable.
• B)A test cannot be reliable unless it is valid
• C)A test can be valid but not reliable.
• D)Reliability and validity are not related.

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Definitions:

Production Costs

The costs associated with producing a product or providing a service, which encompass labor, materials, and overhead expenses.

Marginal Cost

The extra expense resulting from the production of a single additional product or service unit.

Fixed Cost

Fixed costs are business expenses that remain unchanged regardless of the level of production or sales, such as rent, salaries, and insurance premiums.

Output

The cumulative sum of products and services generated by an economy.