What Is the Impact of Adding Distractors on Polytomous Item

question 48

Multiple Choice

What is the impact of adding distractors on polytomous item reliability?

• A)The number of distractors is inversely related to item reliability.
• B)Large numbers of distractors can greatly increase reliability.
• C)Adding distractors may not increase reliability if the distractors are implausible.
• D)Reliability is optimized when there are 8 to 10 distractors.

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Definitions:

Apples

In economic terms, apples can serve as an example of a consumer good, whose supply and demand can be analyzed to understand market dynamics.

Bromides

Compounds containing the bromide ion or compounds that act as a sedative; colloquially used to refer to common sayings or platitudes that lack originality.

Platitudes

Statements that are used often and over time have become trite, commonplace, or clichéd.

Pareto Efficient Allocation

An allocation of resources that cannot be modified to make anyone better off without making someone else worse off.