“…They are specifically designed to develop the mastery of academic knowledge in order to foster conceptual development, including by overcoming the CC challenges. The available evidence on their results is encouraging (Arievitch & Stetsenko, 2000;Chudinova, 2019;Davydov, 1972Davydov, /1999Davydov, , 1988Davydov, /2012de Araujo et al, 2020;Ferreira, 2005;Gordeeva, 2020;Hedegaard & Lompscher, 1999;Karpov, 1995;Karpov & Bransford, 1995;Karpov & Haywood, 1998;Lantolf et al, 2020;Rubtsov & Ulanovskaya, 2020;Venenciano et al, 2021). This is the first paper to systematically address the connections between CC research and DT research.…”