The Difference Between Reliability and Validity Is That Reliability Is

question 59

Multiple Choice

The difference between reliability and validity is that reliability is ___ and validity is ___.

• A) the degree to which a test score correlates with some external criterion; the degree to which a test score reflects an individual's true abilities
• B) the extent that scores predict future scores; the accuracy of these scores
• C) how well scores correlate with future measures; the extent that scores on one test correlate with scores on a similar test
• D) the consistency in test scores over time; the extent to which a test measures what it says it measures

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Definitions:

Market Value

The current price at which an asset or service can be bought or sold in the marketplace.

Real GDP

A measure of a country's economic output adjusted for price changes (inflation or deflation), reflecting the true value of goods and services produced in a given year.

GDP Deflator

An economic metric that converts output measured at current prices into constant-dollar terms to remove the effect of inflation.

Per Capita Real GDP

An economic measure that divides the real gross domestic product by the total population, indicating the average economic output per person, adjusted for inflation.