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A master's thesis from Aalborg University
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Facilitating Dialogue Through Generative AI in Urban Planning Workshops: An Evaluation of a Participatory Tool Integrating Physical Prompts and Visual Output

Authors

;

Term

4. Term

Publication year

2025

Submitted on

Pages

17

Abstract

Differences in language and expertise between citizens and professionals often hinder meaningful citizen participation in urban planning. This study introduces CAPE AI, a participatory tool that combines physical MethodKit cards with AI-generated visualizations in early-stage planning workshops to support inclusive dialogue. MethodKit cards are sets of prompts and topics that structure discussion, while the AI-created images quickly turn ideas into something visible. We designed a co-creative workshop format inspired by the Future Workshop method, a step-by-step approach with phases such as critique, imagination, and planning. The tool and format were explored in a pilot with students experienced in participatory design and a focus group with architects from C.F. Møller. Findings indicate that the hybrid format fostered collective idea generation and healthy group dynamics. The AI-generated images surfaced tacit or hard-to-articulate ideas and sparked dialogue; their ambiguity encouraged reinterpretation and the co-creation of shared narratives rather than fixed solutions. Overall, the results suggest that CAPE AI can support participatory processes at levels corresponding to placation and partnership on Arnstein’s Ladder, a framework for degrees of citizen power in which placation means being heard without decision-making power and partnership involves shared decisions. Further research with citizens is needed to assess effectiveness in real-world planning contexts.

Forskelle i sprog og ekspertise mellem borgere og fagfolk skaber ofte barrierer for meningsfuld borgerdeltagelse i byplanlægning. Dette studie introducerer CAPE AI, et deltagerorienteret værktøj, der kombinerer fysiske MethodKit-kort med AI-genererede visualiseringer i tidlige planlægningsworkshops for at fremme inkluderende dialog. MethodKit-kort er sæt med emner og spørgsmål, som hjælper med at strukturere samtaler, mens de AI-skabte billeder hurtigt omsætter ideer til noget, man kan se. Vi udviklede en samskabende workshopstruktur inspireret af Future Workshop-metoden, en trinvis tilgang med faser som kritik, fantasi og planlægning. Værktøjet og formatet blev afprøvet i en pilot med studerende erfarne i deltagende design samt i en fokusgruppe med arkitekter fra C.F. Møller. Resultaterne viser, at det hybride format understøttede fælles idéskabelse og gode gruppedynamikker. De AI-genererede billeder gjorde tavse eller svært formulerbare ideer mere synlige og satte gang i dialogen; deres tvetydighed inviterede til nyfortolkning og fælles fortællinger frem for faste løsninger. Samlet peger dette på, at CAPE AI kan understøtte deltagelsesprocesser på niveauer svarende til placation og partnership i Arnsteins stige, en model for borgerindflydelse, hvor placation betyder at blive hørt uden beslutningsmagt, og partnership indebærer delt beslutningstagning. Fremtidige studier med borgere er nødvendige for at vurdere effekten i virkelige planlægningskontekster.

[This apstract has been rewritten with the help of AI based on the project's original abstract]