Otjacques, BenoîtNoirhomme, MoniqueFigueiredo, JoséFeltz, FernandFeltz, FernandOtjacques, BenoîtOberweis, AndreasPoussing, Nicolas2019-06-122019-06-122006978-3-88579-186-7https://dl.gi.de/handle/20.500.12116/23776This paper proposes a method based on composite indexes to reflect the level of computer-supported cooperative activity. This approach is innovative in the sense that it extends a purely quantitative approach with some qualitative contextual elements. Indeed, the indexes integrate two basic features of the computer-supported interactions within a group: the number of occurrences and the cooperative nature of the interactions. The paper describes the design of the indexes and shows their interest with simulated cases.enText/Conference Paper1617-5468