“…For example, seminal studies on curriculum compacting showed that teachers could remove a substantial amount of curriculum students had already mastered without negatively impacting their achievement test results (Reis et al, 1993;Reis, Westberg, Kulikowich, & Purcell, 1998). In addition, research results indicated positive effects of teaching students critical thinking skills (Dreeszen, 2010), encouraging student-oriented dialogic discourse (Netz, 2014), and facilitating authentic student-led, scientific inquiries using frameworks that emphasized realworld problem solving (Horak & Galluzzon, 2017;Wu, Pease, & Maker, 2015). Differentiation by providing students with choice options about how, what, and where they learn is another effective research-based instructional strategy widely promoted by gifted education experts.…”