“…A laboratory for collaborative testing [3,14,16,17,20] characterized in that it comprises two substantially semicircular tables (1), each containing at least three workstations, each station containing a computer, a monitor (2) with a camera for capturing a user's face, a headset and a microphone, audio recording means, wherein the tables ( 1) are positioned such that the center of the imaginary circle of which the table ( 1) is a part faces the other table (1), and further, the axes of symmetry of the two tables (1) are parallel and offset from each other, and the monitors (2) of the workstations are arranged on each table (1) such that the screens are oriented away from the other table, wherein the central workstation of each table is provided with means (3) for tracking eye movements, and wherein the laboratory further comprises at least two speakers and at least four wideangle cameras (51, 52), at least two of the cameras (52) being arranged to image the workstations including the screens of the monitors (2).…”