This paper will propose that learning - as occurring in all those circumstances whereby agents have an uncompleted understanding of the context in which they operate - has been an effective driving force that has characterised the reflection on design research itself. Some “forms of research” as “forms of learning” acquire even greater importance in those evolutionary environments - intended in the most generic terms - where heterogeneous agents display different forms of rationality, where there is a persistent appearance of novelties deriving from technological, behavioural and organisational innovations driven by the agents themselves, where out-of-equilibrium interactions may frequently occur among the agents. The general key to appr...