A Questionnaire Is a Major Source of Response Error

question 113

True/False

A questionnaire is a major source of response error.

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Definitions:

Reliability

The level of consistency and stability in the results produced by an assessment instrument across time.

Validity

The extent to which a test accurately measures what it is intended to measure.

Correlation

A statistical measure that describes the extent to which two variables change together, but does not necessarily imply causation.

Discriminant Validity

The extent to which a test or experiment measures different constructs, demonstrating that the scales do not correlate too highly with measures from which they should differ.