In this paper we presents the results of our experimental study which aims to understand the impact of three interaction 3D\r\nmetaphors (ray casting, GoGo, and virtual hand) on the user experience in a semi-immersive collaborative virtual environment\r\n(the Braccetto System). For each session, participants are grouped in twos to reconstruct a puzzle by an assemblage of cubes. The\r\npuzzle to reconstruct corresponds to a gradient of colors. We found that there is a significant difference in the user experience\r\nby changing the interaction metaphor on the copresence, awareness, involvement, collaborative effort, satisfaction usability, and\r\npreference. These findings provide a basis for designing 3D navigation techniques in a CVE.
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