Is DISC pseudoscience? A measured answer

Few questions divide HR teams like this one. The honest answer sits between the marketing and the cynicism: DISC-family instruments are descriptive models of behavioural preference, well-suited to development and communication — and poorly suited to predicting job performance.

The construct is real enough to be useful, but the predictive-validity evidence does not justify selection decisions. That single distinction — development versus selection — resolves most of the debate.

Our scorecards weight predictive validity at 30% precisely because the category's biggest failures come from using a development tool to make a hiring call.

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