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Research 2026-01-27 Decision-making Geneva

Too Much Data Undermines Decision-Making

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Too Much Data Undermines Decision-Making — SHR, Geneva
Too Much Data Undermines Decision-Making — SHR, Geneva

Too much data undermines decision-making — what studies show, and what they do not show.

The Research

Eppler & Mengis (2004, The Information Society) show that beyond a certain threshold, additional information reduces the quality of decisions.

The Limitation

Conceptual review, thresholds varying from person to person.

Too Much Data Undermines Decision-Making — Geneva, Genève
Too Much Data Undermines Decision-Making — Geneva, Genève

The Nuance

The right question is not “what data should be added” but “what data should be removed”. (our executive and employee training programmes)

Practical Implication, Testable in Geneva

Reduce the decision-making dashboard to five indicators and observe the quality of trade-off decisions. To go further: explore the Decision-making training in Geneva in the canton of Geneva, or browse our executive and employee training programmes in Switzerland.

In pictures: Decision-making in Geneva

Decision-making training in Geneva — in practice
Decision-making training in Geneva — in practice
Decision-making training in Geneva — hands-on workshop
Decision-making training in Geneva — hands-on workshop
Decision-making training in Geneva — on the ground
Decision-making training in Geneva — on the ground

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