“…The problem was how to apply learning so that the higher competencies of learning contained in the curriculum could be optimally achieved. Several alternative learning strategies had been investigated in order to improve students' abilities in accordance with 21st century learning frameworks (Barak, 2017;Bråten & Braasch, 2017;Chu, Reynolds, Tavares, Notari, & Lee, 2017;Luna Scott, 2015;Qian& Clark, 2016).Some efforts to facilitate gifted students in mastering higher order thinking skills needed in the 21st century had also been carried out (Alhusaini, 2018;Saregar, Irwandani, Abdurrahman, Parmin, Septiana, Diani, & Sagala, 2018;Erdimez, Sema, & Zimmerman, 2017;Ozyaprak, 2016).…”