“…studies examine both the gains in learning of subject matter skills and the learning of CT skills or program comprehension (Basu et al, 2015;Cateté et al, 2018;Chang, 2019;Grgurina et al, 2018;Harrison et al, 2018;Hickmott et al, 2018;Israel and Lash, 2019;Jaipal-Jamani and Angeli, 2017;Jenkins, 2015;Kafai et al, 2014;Ke, 2014;Klopfer et al, 2009;Lai and Lai, 2012;Leonard et al, 2015;Litts et al, 2017;Louca et al, 2011;Merkouris and Chorianopoulos, 2018;Miller, 2019;Moreno-León and Robles, 2016;Musaeus and Musaeus, 2019;Nesiba et al, 2015;Nugent et al, 2019;Pardo, 2018;Peel and Friedrichsen, 2018;Rich et al, 2019;Rodríguez-Martínez et al, 2020;Swanson et al, 2018;Terwilliger et al, 2019;Towhidnejad et al, 2014;Urban, 2015;Valentine, 2018;Wagh et al, 2017;Weitze, 2017;Xiang and Passmore, 2015;Yadav et al, 2018;Yu and Guo, 2018).…”