What Is the Optimal Item Difficulty Index on a Test

question 14

Multiple Choice

What is the optimal Item Difficulty Index on a test consisting of only constructed response items?

• A)0.0
• B)0.25
• C)0.50
• D)0.75
• E)1.0

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Definitions:

Opinion Leader

An individual who influences the attitudes, opinions, or behaviors of others through their expertise, authority, or personality.

Purchase Decision

The stage in the buying process where a consumer chooses to buy a specific product or service, often after evaluating alternatives and making comparisons.

Opinion Leaders

Individuals who exert direct or indirect social influence over others.

Activewear

Clothing designed for sports or physical exercise, emphasizing comfort, functionality, and often fashion.