Pesticide Applicator Certification Tests: Validation and the Limits of Score Meaning

Andrew Martin, Fred Whitford

Abstract


A review of the basic elements of modern validity theory and an argument-based approach to validation clarifies the principle reason for a deliberative, job-oriented approach to pesticide applicator certification test development: appropriate score interpretation and use. When more meaning is imputed to scores than is warranted, stakeholders may be misled and program credibility can suffer. Special care should be taken to avoid making predictive claims for certification test scores. Caution is also advised when associating the concept of "competence" with score results.

Keywords: test, validation, scores, pesticide, applicator, certification


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Journal of Pesticide Safety Education by American Association of Pesticide Safety Educators is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.

 

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