Which of the Following Describes the Best Multiple Choice Item

question 39

Multiple Choice

Which of the following describes the best multiple choice item?

• A) The difficulty level is .90.
• B) The distracters are implausible.
• C) A large proportion of the low group answered the item correctly.
• D) The discrimination level is .90.

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Definitions:

Marginal Cost

The extra charge involved in producing an additional unit of a product or service.

Average Total Cost

The total cost divided by the quantity of output produced, reflecting the average cost per unit of output.

Profit

The financial gain made in a transaction, calculated as the difference between the revenue received and the costs incurred.

Average Total Cost

The total cost of production (fixed plus variable costs) divided by the total quantity produced.