This paper presents a model for the analysis and characterization of social regulation during collaborative task development. The structural part of the model is composed of three components which give rise to the generation of four phases of group interaction. The combination of these phases of group interaction and their components allows us to know whether or not a given group during the execution of tasks manages to develop mechanisms of collaboration and socially shared regulation. As for the conceptual section, the model is supported by three components that deal with task regulation, communication regulation, and collaborative work. Each of these components in turn presents aspects that can be identified in the interaction of the groups during the development of a task. The model was applied with the participation of five work groups made up of graduate students. The type of study was a descriptive quantitative approach. The results made it possible to corroborate the functionality of the model based on the identification of recurrences of events in the phases reached by each of the groups during the development of shared tasks, as well as aspects of collaboration and social regulation during the execution of group tasks in socially and collaboratively regulated learning processes, according to the analysis of the interactions recorded by the groups.