摘要：Some structural parameters have been defined, using very simple statistical instruments, related to Online Collaborative Groups; unexpected correlations have been found. It is suggested the existence of CONSTANTS in the interactions between persons, online as well as in presence, even in learning environments. The work explores and delineates some fundamental conditions of validity of the approach GCol to e-learning.
关键词：E-learning, collaboration, leading (groups), process, evaluation, statistics.
