ISO14031 Suggests Three Types of Indicators on How to Identify

question 73

Essay

ISO14031 suggests three types of indicators on how to identify performance measures. Identify these three indicators and discuss how they provide guidance on how to identify environmental performance measures. Provide examples of each indicator to illustrate the performance measured.

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Definitions:

Coefficient Alpha

A measure of the internal consistency or reliability of a psychometric test score for a sample of examinees.

Average Interitem Correlations

A statistic used to measure the consistency of responses among related items on a questionnaire or test, indicating the scale's internal reliability.

Reliability Estimate

A statistical measure that quantifies the consistency of a set of measurements or ratings.

Validity

The extent to which a concept, conclusion, or measurement is well-founded and corresponds accurately to the real world.