Herawati Susilo, Umie Lestari, Arinda Eka Lidiastuti
One of the needs that must be owned by students in the 21st century is the ability of critical thinking. The purpose of this study was to examine the ability of high school students in Malang and Lumajang. This research was a descriptive qualitative study to describe students' abilities in building intelligence. The research subjects were grade X students at SMAN 3 Lumajang (32 students), SMA Panjura Malang (27 students), and SMA Surya Buana (23 students) 2019/2020 total of 82 students. The instrument used consisted of 9 essay questions developed from Catalina's critical thinking skills which consisted of 3 indicators. The analysis carried out was categorized into four categories, namely novice (1), basic (2), proficient (3), and advanced (4). The results showed that students critical thinking skills were low in the basic category with a percentage of 70.73%, novice category with a percentage of 24.39%, and proficient category with a percentage of 4.87%. This shows that critical thinking students need to be trained. © 2020 Author(s).
Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, Jalan Semarang No. 5, Malang, 65145, Indonesia
