M. Fadiana, S.M. Amin, A. Lukito, Warli
This study aimed to explore the generalization of patterns based on semiotic perspectives on concrete operational student. Semiotic perspectives included gestures, speeches and writings. This explorative-qualitative research was conducted in a Junior High School in Tuban, East Java, Indonesia. The subject of this research, selected using Group of Assessment of Logical Thinking (GALT) was in 7th Grade with skill of logical thinking at the concrete operational stage. The procedure of this qualitative study was giving tasks of pattern generalization and interviews. The results showed that the concrete operational student passed through three stages of the generalization process, namely discovering of regularity, confirming of regularity and producing of the expression of n. The concrete operational student cannot justify of the expression of n. He declared the generalization products in the form of simple sentences based on the image context viewed. © 2019 Institute of Physics Publishing. All rights reserved.
Universitas PGRI Ronggolawe Tuban, Jl. Manunggal No 61, Tuban, Indonesia; Universitas Negeri Surabaya, Jl. Ketintang, Surabaya, 60231, Indonesia
