An Item-Difficulty Index of 1 Occurs When

question 56

Multiple Choice

An item-difficulty index of 1 occurs when

• A) all examinees answer the item incorrectly.
• B) all examinees answer the item correctly.
• C) examinees are evenly divided between correct and incorrect responses.
• D) None of these

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Definitions:

Service Reliability

The consistency and dependability of a service provider in delivering promised services to customers at the required performance level.

Electrical Motor

A device that converts electrical energy into mechanical energy, often used in various machines and vehicles.

Reliabilities

The degree to which a system, component, or process consistently performs its intended function under prescribed conditions over time.

Breakdown Cost

The expenses related to the failure or maintenance of machinery, equipment, or systems.