Title:	THE EFFECTS OF DRAG-AND-RESPONSE INTERACTION MECHANISM OF MULTI-TOUCH TABLETOP TECHNOLOGY ON STUDENTS’ COLLABORATION PERFORMANCE
Author(s):	Wu-Yuin Hwang, Yi-Ting Cai, Rustam Shadiev, Yu-Shu Yang, Jia-Han Su
ISBN:	978-972-8939-55-7
Editors:	Piet Kommers, Ji-ping Zhang, Tomayess Issa and Pedro Isaías
Year:	2011
Edition:	Single
Keywords:	Multi-touch, Interaction mechanism, Drag-and-response, Collaboration, Awareness
Type:	Full Paper
First Page:	151
Last Page:	158
Language:	English
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Paper Abstract:	Drag-and-drop and drag-and-pop are interaction mechanisms for supporting individual work in multi-touch tabletop environment. We designed drag-and-response interaction mechanism for supporting students’ collaboration; it features several functions for facilitating collaboration and awareness: a queue area for accepting or rejecting objects, a rubber band for working with remote target on large-size multi-touch table, and a transfer animation. In this study we applied abovementioned three interaction mechanisms for students’ collaboration in co-located multi-touch tabletop environment. We analyzed the effects of these mechanisms on students’ collaboration performance, and students’ perceptions toward drag-and-response mechanism and its functions for collaboration on multi-touch table. The results revealed that students using drag-and-response mechanism completed tasks with less number of drops and exchange errors comparing to using drag-and-drop mechanism. However, it took longer time to complete tasks using drag-and-response mechanism than using the other two mechanisms because students that didn’t engage into tight collaboration accepted or rejected coins untimely as they were not aware of peer’s activity. Most students agreed at the questionnaire survey and interviews that drag-and-response mechanism was easy to use, useful and playful during collaboration. Besides, most students perceived they were aware of peer’s task progress and peer’s status of task accomplishment, need, intention, as well as of transferred coin, its value and location due to resource collection area, rubber band and transfer animation functions. Therefore, the results of this study showed that the drag-and-response mechanism is beneficial for collaboration in co-located multi-touch tabletop environment as to improve students overall collaboration performance.
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