“…Several formal reasoning approaches are consisting of adjusting variables, probabilistic proportional, co-relational and combinational reasoning abilities that are important for reasoning and to face a scientific problem (Lawson, 2003;Fax, 2009;Manwaring, Jensen, Gill, Sudweeks, Davies, & Bybee, 2018). Theoretically, it has been said that the reasoning ability enhances with the enhancement of knowledge (Riyanti, Suciati, & Karyanto, 2018). Another viewpoint is that reasoning ability needs specific training, mental ability and practice (Sherry, Willis, & Caskie (2013;Sternberg, et al, 2000).…”