A Certain Wire Has Resistance R

question 30

Multiple Choice

A certain wire has resistance R.Another wire, of the same material, has half the length and half the diameter of the first wire.The resistance of the second wire is:

• A)R/4
• B)R/2
• C)R
• D)2R
• E)4R

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Definitions:

Predictive Validity

The extent to which a score on a scale or test predicts scores on some criterion measure, often used in the context of psychological testing and assessment.

Appropriate Norms

Standards of behavior that are considered acceptable and proper by a society or group.

Standardization

Establishing norms for comparing the scores of people who will take a test in the future; administering tests using a prescribed procedure.

Reliability

The extent to which a measure is consistent and free from error, providing similar results under consistent conditions.