It Is Needed to Calculate the Item-Validity Index

question 162

Multiple Choice

It is needed to calculate the item-validity index.It is

• A) the point-biserial correlation between the item score and the criterion score.
• B) the mean of the item-score distribution.
• C) the item-score standard deviation.
• D) All of these

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Definitions:

Threat of Entry

The risk existing businesses face when new competitors are able to enter the market or industry.

Existing Competitors

Companies that are currently operating in the same market and competing for the same customers.

Industry

A classification that refers to groups of companies that are related based on their primary business activities.

Bargaining Power

The relative ability of parties in a negotiation to exert influence over each other, often determining the terms and conditions of agreements.