The NCB™ is a computerized online test that a candidate can complete in less than an hour. As seen in the graph below, it has been demonstrated to be the best predictor of job performance.

Estimated Validity of Various Predictors of Job Performance

What makes the NCB™ unique is that it assesses aspects of executive cognitive functions (see “How does the NCB™ work?” section). Studies have shown that a battery of tests assessing executive cognitive functions is able to account for over 57% of the variance in job performance. This is more accurate than any other single selection criteria used by Human Resource professionals.

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