It Is Difficult to Estimate the Prevalence of Communication Disorders

question 33

Multiple Choice

It is difficult to estimate the prevalence of communication disorders primarily because

• A)there is so much overlap with other types of exceptionalities.
• B)schools do not maintain accurate records in this area.
• C)many parents are reluctant to allow their children to receive speech and language services.
• D)definitions of communication disorders vary so much from state to state.

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Definitions:

Average Rate

A means of determining the central or typical value of a set of numbers, calculated by dividing the sum of the values by the number of values.

Federal Spending

The total amount of money expended by the federal government on various programs, services, and obligations, including defense, education, and social welfare.

State and Local

Pertains to the government entities and authorities that operate below the federal level, including states, counties, cities, and towns.

Marginal Tax Rate

The percentage of tax applied to the final dollar of income, signifying the tax paid on any extra dollar earned.