Breaking the flow : intervention in computer game play through physical and on-screen interaction

This article investigates issues of controlling the amount of time during computer game play and potential solutions to help prevent excessive gaming. The study incorporates the realization of three different variants. Two screen based solutions and one based on a physical agent, outside the computer screen, provide notification and additionally even "intervention" to the user. The three realizations have been put to the test and the results, both quantitative and qualitative are presented. The physical agent-based solution was most attractive