Design Thinking Toolset — Lukas Ehrmann

Search Field Determination

German: Suchfeldbestimmung

Empathize ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 60 min 👥 Required People: Core Design Team

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Qualitative User Interviews

German: Interviews

Empathize ⏱ 30–60m 👥 Solo / 1-on-1

⏱ Duration: 45 – 60 min per session 👥 Required People: Interviewer + Note-taker + 1 User

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User Shadowing & Observation

German: Schatten (Shadowing)

Empathize ⏱ > 60m 👥 Solo / 1-on-1

⏱ Duration: 2 – 4 hours 👥 Required People: 1 Observer per User

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5 Whys Root-Cause Drill

German: 5-Warum-Methode

Empathize ⏱ 30–60m 👥 Small (2–4)

⏱ Duration: 20 – 40 min 👥 Required People: 3 – 6 team members

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6W Multi-Angle Framing

German: 6-W Methode

Empathize ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 45 min 👥 Required People: Team

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Emotional Journey Mapping

German: Emotional Journey Map

Empathize ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 45 – 60 min 👥 Required People: 3 – 8 team members

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Contextual Mind Mapping

German: Mindmapping (Empathie)

Empathize ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 45 min 👥 Required People: Team

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User Persona Synthesis

German: Personas

Define ⏱ 30–60m 👥 Small (2–4)

⏱ Duration: 60 – 90 min 👥 Required People: 3 – 6 team members

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How Might We (HMW) Framing

German: How-Might-We Fragen

⭐ Favorite Define ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 45 min 👥 Required People: Team

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HMW Decomposition Worksheet

German: How-Might-We Arbeitsblatt

Define ⏱ 30–60m 👥 Small (2–4)

⏱ Duration: 45 – 60 min 👥 Required People: Small Groups

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Point of View (POV) Statement

German: Problemdefinition / Standpunkt

⭐ Favorite Define ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 45 min 👥 Required People: Team

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6-3-5 Brainwriting

German: 6-3-5 Methode

Ideate ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 40 min 👥 Required People: 6 participants

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Crazy Eights Rapid Sketching

German: Crazy 8

⭐ Favorite Ideate ⏱ < 30m 👥 Squad (5+)

⏱ Duration: 10 – 15 min 👥 Required People: Individual then Team

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Disney Creative Strategy

German: Walt-Disney-Methode

Ideate ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 60 – 90 min 👥 Required People: 3 – 8 team members

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Six Thinking Hats

German: 6 Hüte (Edward de Bono)

⭐ Favorite Ideate ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 45 – 60 min 👥 Required People: 4 – 10 participants

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Reverse Brainstorming (Worst Possible Idea)

German: Kopfstandmethode

Ideate ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 45 min 👥 Required People: Team

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How-Now-Wow 2x2 Matrix

German: How-Wow-Now Matrix

Ideate ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 45 min 👥 Required People: Team

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Idea Napkin Synthesis

German: Ideen-Serviette

Ideate ⏱ < 30m 👥 Small (2–4)

⏱ Duration: 20 – 30 min per idea 👥 Required People: Individuals or Pairs

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15% Solutions

German: 15% Solutions

Ideate ⏱ < 30m 👥 Squad (5+)

⏱ Duration: 20 – 30 min 👥 Required People: Any team size

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1-2-4-All Progressive Distillation

German: 1-2-4-All

Ideate ⏱ < 30m 👥 Squad (5+)

⏱ Duration: 15 – 25 min 👥 Required People: Large groups (8 – 50+)

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NABC Value Proposition Pitch

German: NABC-Methode

Ideate ⏱ 30–60m 👥 Small (2–4)

⏱ Duration: 45 – 60 min 👥 Required People: Pairs or Small Teams

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Paper Prototyping

German: Papierprototypen

Prototype ⏱ 30–60m 👥 Small (2–4)

⏱ Duration: 45 – 90 min 👥 Required People: 2 – 4 designers

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Scenario Storyboarding

German: Storyboard

Prototype ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 45 – 60 min 👥 Required People: Individual or Team

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Wizard of Oz Prototype

German: Wizard of Oz Prototyp

Prototype ⏱ > 60m 👥 Small (2–4)

⏱ Duration: 1 – 3 days build & test 👥 Required People: 2 – 4 team members

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Roleplay & Service Staging

German: Rollenspiel

Prototype ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 60 min 👥 Required People: Team members

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Dark Horse Prototype

German: Dark Horse Prototyp

Prototype ⏱ > 60m 👥 Squad (5+)

⏱ Duration: 1 – 2 days 👥 Required People: Team

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Think-Aloud Usability Testing

German: Nutzertests

Test ⏱ 30–60m 👥 Solo / 1-on-1

⏱ Duration: 45 – 60 min per user 👥 Required People: 1 User + 1 Facilitator + Observers

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Feedback Capture Grid

German: Test-Capture-Grid

Test ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 45 min 👥 Required People: Testing Team

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Test & Learning Cards

German: Testing Cards (Strategyzer)

Test ⏱ 30–60m 👥 Squad (5+)

⏱ Duration: 30 – 45 min 👥 Required People: Team

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