A Researcher Attempts to Evaluate the Impact of a Safety-Training

question 38

Multiple Choice

A researcher attempts to evaluate the impact of a safety-training program that is intended to increase the use of helmets by child bicyclists. About the same time that the training program takes place, the local news media runs a front-page story about a five-year old whose life was saved by wearing a helmet. This case most clearly illustrates the internal validity threat of:

• A)history.
• B)maturation.
• C)testing.
• D)statistical regression.

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Definitions:

Planned Activity

Activities or tasks that have been scheduled and outlined in advance as part of a project or process planning.

Overhead Application

The process of assigning overhead costs to specific products or activity bases using a predetermined overhead rate.

Work in Process

Inventory that includes items that are in the production process but are not yet complete.

Product Cost

The total amount of expenses incurred to create and offer a product for sale, including direct materials, labor, and overhead costs.