Research 2025-10-02 Project Management Zurich

Why do we always underestimate time?

Why do we always underestimate time? — SHR, Zurich
Why do we always underestimate time? — SHR, Zurich

Why do we always underestimate time? — what studies show, and what they don't.

The research

Buehler, Griffin and Ross (1994, JPSP) show people predict overly optimistic completion times.

The limit

Personal and academic tasks. (our executive and employee training programmes)

Why do we always underestimate time? — SHR, Zurich — Zurich
Why do we always underestimate time? — SHR, Zurich — Zurich

Practical check in Zurich

Before setting a deadline, write down the actual time a similar task took. To go further: explore the Project Management training in Zurich, or browse our executive and employee training programmes in Switzerland.

In pictures: Project Management in Zurich

Project Management training in Zurich — in practice
Project Management training in Zurich — in practice
Project Management training in Zurich — hands-on workshop
Project Management training in Zurich — hands-on workshop
Project Management training in Zurich — on the ground
Project Management training in Zurich — on the ground