Ajat Sudrajat
Dosen Jurusan Kimia dan Pascasarjana Pendidikan Kimia

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PENGEMBANGAN BUKU AJAR KIMIA SMA/MA KELAS XI SEMESTER II DALAM UPAYA MENINGKATKAN HASIL BELAJAR DAN MENUMBUHKEMBANGKAN KARAKTER SISWA Mahmud Mahmud; Ajat Sudrajat; Shofia Rija Napitupulu
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 1 (2015): April
Publisher : Pascasarjana Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (545.607 KB) | DOI: 10.24114/jpkim.v7i1.5502

Abstract

AbstractThis study aims to develop of chemistry textbooks that used in Eleventh Grade of Senior high school of second semester based on 2013 curriculum to improve students’ achievement and develop students’ character. The samples of this study are SMAN 1 Lubuk Pakam, SMAN 2 Lubuk Pakam, Nusantara Senior High School, MAN Lubuk Pakam. The sample treatment is divided into two, experimental class and control class. The Data collection is done with objective tests, observation sheets during the learning process is done as well as a questionnaire to measure the evolving character at the end of learning. Data were analyzed using SPSS 19 with significance level 0.05. To determine difference in students’ achievement and students’ character by using Cooperative problem Based Learning. The effectiveness score of textbooks quality was 84.37 and KTSP textbook was 74.41. In addition, this research improves students’ achievement and character such as responsibility, creative, communicative and psychomotor. The students’gain achievement of the experiment class was 74.92 and the control class was 67.11. The effectiveness score of communicative character in experiments class was 78,08 and the controll class was 74.26, the creative character in experiment class was 78.28 and the controll class was 75.12, and the responsibility character in experiment class was 79.51 and the controll class was 75.30. The results of this study of indicate that the chemistry textbook was develop in this study can to to improve students’ Achievement and develop students’ character.Kata Kunci : Buku Ajar Kimia, Cooperative Problem Based Learning, Hasil Belajar, Tanggung Jawab, Kreativitas, Komunikatif, Psikomotorik
Pengembangan Buku Ajar Kimia SMA/MA Kelas XI Semester Genap Terinternalisasi Nilai-Nilai Karakter Siswa Weni Tri Sasmi; Ajat Sudrajat; Iis Siti Jahro
Jurnal Pendidikan Kimia (JPKim) Vol 8, No 1 (2016): April
Publisher : Pascasarjana Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (665.384 KB) | DOI: 10.24114/jpkim.v8i1.4422

Abstract

Abstract. This study aims to obtain a chemistry text book of SMA/MA Class XI second semester internalized character values of student. Populasi student learning outcomes of this study were (1) all existing chemistry teacher in Kisaran categorized expert teacher and chemistry lecturer of Universitas Negeri Medan in Medan. (2) all eleventh grade students the second semester of school year 2015/2016 SMA Muhammadiyah 8 in Kisaran. The entire sample was selected by purposive sampling. Samples were determined in this study were (1) a chemistry teacher with a minimum of formal education criteria S1 and teaching experience in schools, a chemistry lecturer of Universitas Negeri Medan with the criteria of formal education S2 at least 5 years, is being actively teach and master the basic chemical materials that are relevant to the material high school chemistry (2) Class XI IPA 1 was given treatment using chemical text book SMA/MA Class XI second semester internalized character values of student based on curriculum 2013. Based on test data analysis requirements the results showed that (1) The results of due diligence analysis chemistry textbook that is based on the standard BSNP amounted to 3.69 visits of criterion validity textbook is quite valid but need to be revised (2) based on the opinions of teachers and lecturers to test the feasibility of chemistry textbook produced in research this meets the standards required by the National Education standards in the amount of 4.41 means that valid and do not need to be revised. (3) based on the opinions of teachers and lecturers to test the feasibility of textbook internalized character values ​​of students in this study meet the standards of assessment rubrics of 4.43 categorized character very well. (4) based on the opinions of students to test the feasibility of textbook internalized character values ​​of students in this study meet the standards of assessment rubrics character is of 4.42 which is considered very good. (5) Improved student learning outcomes using chemistry textbook produced in this study were of 0.69 or 69% were categorized as moderate. (6) Based on data obtained learning outcomes sign value <0.05 (0.002 <0.05) the use of high school chemistry textbook / MA class XI internalized second semester student of character values ​​higher than the KKM. Key words: text book , internalized character values of student