Validity Is Explained as the Gradual Accumulation of Evidence That

question 17

Essay

Validity is explained as the gradual accumulation of evidence that indicates how an instrument can be used and what can be inferred from the results.  What does this mean for the use of newly-developed instruments that have not existed long enough for evidence of validity to accumulate?

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Definitions:

Operating Expenses

The costs associated with the day-to-day functions of a business, excluding direct production costs.

Profit

The financial gain achieved when the revenue from business activities exceeds the expenses, costs, and taxes needed to sustain the activity.

Unit

A single, distinct element that forms part of a system, often used for measuring, standardization, or as part of a greater whole.

Invoice

A notice from the seller to the buyer, detailing the items, their quantities, and the prices settled upon for the goods or services supplied.