The Effect of Various Media Scaffolding on Increasing Understanding of Students’ Geometry Concepts

Abstract

This study is a quasi-experimental research with pretest-posttest control group design, which aims to determine (1) the tendency of students in using various media scaffolding based on gender, and (2) effect of media scaffolding on increasing understanding of students' geometry concepts. Media scaffolding used this study is chart, props, and visual. The population was the fifth grade students of State Elementary School I Gunung Terang (total 40 students), Bandar Lampung, Indonesia of the academic year 2015-2016. The sample was total sampling, respectively 20 students in the experimental class (with media scaffolding) and control class (without media scaffolding). Data were collected through observation, interview and test. Analysis of the observation and interviews data with descriptive statistics (percentage). and the test data was analyzed by (a) measuring the level of effectiveness on increasing understanding of students' geometry concepts with formula of Hake's Normalized Gain (g) and its interpretation, and (b) examine of hypotesis on level of effectiveness with t-test. The results of research showed that (1) the tendency of male students using the media scaffolding props, and female students using scaffolding media chart, and (2) effect of media scaffolding on increasing understanding of students' geometry concepts is effective enough.

Students’ Intuitive and Analytical Thinking in the Mathematics Study through the Integration of STAD and Environmental Islamic Jurisprudence (Fiqh)

“…Then, the researcher explained to the students that if line k and line l were dragged upward (while demonstrating it), then they would intersect in one point. The researcher's activity is similar to those suggested in (Eriana, Kartono, & Sugianto, 2019) and (Sutiarso et al, 2017) who found that using realia could effectively improve students' concept mastery in mathematics learning.…”

“…Then, the students were asked to discuss it with their group members and finally communicate the result to the researcher. The construction of geometry concepts with concrete building models is an important part in understanding geometry (Dewi, Hakim, Setiawan, Adhisuwignjo, & Rohadi, 2018;Imswatama & Lukman, 2018;Sutiarso, Coesamin, & Nurhanurawati, 2017) revealed that the investigation of the properties of geometry and concrete shape is an important part in understanding geometry. The results of their research prove that the teaching media can help students understand concepts in geometry.…”

Development of Comic Mathematics Learning Media Based on Contextual Approaches

“…In addition to the use of approaches in learning, learning media are also important. According to (Sutiarso, Coesamin, & Nurhanurawati, 2018), the use of instructional media, such as visual aids, charts, and visual media, is quite effective in increasing students' mathematical understanding. Comics can be an effective media or learning resource.…”

Penggunaan Media Diorama: Solusi Pembelajaran Matematika Materi Skala Terhadap Kemampuan Berpikir Tingkat Tinggi Jenjang Dasar

“…Selanjutnya Sutiarso et al (2018) telah melakukan penelitian eksperimen semu dengan desain kelompok kontrol pretes-postes, yang bertujuan untuk menentukan pengaruh media scaffolding terhadap peningkatan pemahaman konsep geometri. Penelitian yang dilakukan di kelas 5 SDN 1 Gunung Terang Bandar Lampung dengan jumlah seluruhnya 40 peserta didik terbagi dalam 20 orang kelas kontrol dan 20 orang kelas eksperimen.…”