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Formative evaluation of a tabletop display meant to orient casual conversation

Oliviero StockMassimo ZancanaroFabio PianesiDaniel TomasiniCesare Rocchi

pp. 17-23


In this paper, we introduce a novel type of persuasive system aimed at orienting a group conversation in a casual setting. The system is based on a tabletop display complemented by a limited speech recognition system (a word spotter). It affects group behavior indirectly by presenting on the shared interface contextually appropriate visual material in a way reminiscent of the tradition of advertising: attention-catching, evocative, and cognitively stimulating. The system is meant to be used in the context of a museum visit. The purpose is to influence a group of friends so that they discuss their museum experience, while sitting at the museum café after the visit. Results show the system in the current version has a moderate effect on group behavior and provide indications for promising improvements.

Publication details

Published in:

Koskinen Ilpo (2009) Interaction design in Italy. Knowledge, Technology & Policy 22 (1).

Seiten: 17-23

DOI: 10.1007/s12130-009-9063-2


Stock Oliviero, Zancanaro Massimo, Pianesi Fabio, Tomasini Daniel, Rocchi Cesare (2009) „Formative evaluation of a tabletop display meant to orient casual conversation“. Knowledge, Technology & Policy 22 (1), 17–23.