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Between the Administration of a Pretest and a Posttest, an Event

question 1

Multiple Choice

Between the administration of a pretest and a posttest, an event may occur that can affect the results of the study independent of the treatment program being evaluated. This threat to internal validity is called

Definitions:

Economic value

The worth of a good or service as determined by the market and the price a buyer is willing to pay.

Compounded quarterly

Interest calculation method where the interest is added to the principal every three months, affecting the overall amount on which future interest is calculated.

Perpetuity

An annuity in which payments continue indefinitely, typically at a fixed rate.

Compounded semi-annually

Accumulation method for interest where the interest is applied to the principal twice a year, thereby influencing the total amount of interest earned or paid.