ANALISIS TAHAP PERKEMBANGAN KOGNITIF MATEMATIKA SISWA KELAS VIII SMP NEGERI 1 CITEUREUP DENGAN INSTRUMEN TEST OF LOGICAL OPERATIONS (TLO)

Abstract

Logical Operations (TLO). analisis penelitian menggunakan instrumen Test of Logical Operations (TLO) penelitian 25%, sebanyak berada pengerjaan Test of Piaget’s Logical Operations (TLO) SMP (usia 13-14 tahun), perkembangan rata-rata ABSTRACT This research aim is to know about the stage of students’ cognitive development in completing mathematic problems by Using Piaget’s Logical Operation Test (TLO). This research is a descriptive qualitative research using descriptive analysis method. The focus of this research is the VIII class of Citeureup 1 Junior High School which consists of 20 students. The data collection technique carried out in this study used the Test of Logical Operations (TLO) instrument which was carried out by students. The results showed that students who were in the final concrete stage were 5 students or 25%, were in the early formal stage as many as 14 students or 70%, and were in the final formal stage as many as 1 student or 5%. Based on the results of the Test of Piaget's Logical Operations (TLO) by class VIII junior high school students (aged 13-14 years), the cognitive development of students on average is already at the stage of formal operations where it is in accordance with the stage of cognitive development proposed by Piaget.