Work sample tests should be relevant to the job, objectively constructed and scored, reliable, and capable of being scored on a standardized content-referenced scale. Detailed steps in working from job analysis to establishing test specifications are presented for assuring job relevance. Methods are suggested for developing scales for scoring by a priori scaling, or by latent trait analysis, to provide a standard, content-referenced scale for scoring. Job samples should be evaluated primarily in terms of relevance and of generalizability. Seven principles of work sample testing are offered to researchers.
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