H2 D3.7
How to Improve the Predictive Value of Assessments
Introduction
Predictive value is a concept applied to diagnostic tests in medicine. The predictive value of a test is its accuracy. In other words, when the test is positive, what percent of patients actually have the disease? When the test is negative, what percent are truly disease-free?
Many training programs test participants to certify that they have mastered the material. Yet a common complaint among managers is: “How come they can pass the test, but cannot do the job?” That suggests that typical certification tests have a low positive predictive value: passing the test is not a ...
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