What Is the Value of the Item-Discrimination Index for an Item

question 16

Multiple Choice

What is the value of the item-discrimination index for an item that all the students in the higher-scoring group answered correctly but that no one in the lower-scoring group answered correctly?

• A) -1
• B) +1
• C) .50
• D) .25

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Definitions:

Mowrer

A psychologist known for his two-factor theory of avoidance learning, which combines classical and operant conditioning theories to explain how anxiety and phobias are learned and maintained.

First Stage Avoidance

First stage avoidance in classical conditioning is where the organism learns to avoid an aversive stimulus by responding appropriately to a warning signal.

Fear

Conditioned response to stimuli associated with painful events; motivates avoidance of aversive events.

Pain

An unpleasant sensory and emotional experience associated with actual or potential tissue damage.