As a Distribution of Scores Gets Flatter,what Happens to the Optimal

question 116

Multiple Choice

As a distribution of scores gets flatter,what happens to the optimal boundary line for determining higher- and lower-scoring groups for item-discrimination indices?

• A) the optimal boundary line gets smaller
• B) the optimal boundary line gets larger
• C) the optimal boundary line does not change
• D) the optimal boundary line ceases to be optimal

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Definitions:

Equilibrium Price

The price at which the quantity of a product demanded by consumers and the quantity supplied by producers are equal.

Government Tax

Required payments to the government, deducted from workers' salaries and company earnings, or applied to the prices of specific items, services, and activities.

Tax Revenue

Consists of the income that a government gains from taxation, which is used to fund public services and obligations.

Welfare

Government programs that supplement the incomes of the needy.