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Solfarina Solfarina
Program Studi Magister Pendidikan Sains Pascasarjana Universitas Tadulako
Agriculture, Biological Sciences & Forestry

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Pembelajaran Kekhasan Atom Karbon Untuk Membentuk Karakter dan Hasil Belajar Siswa di SMK Negeri 1 Tolitoli Badwi Badwi; Suherman Suherman; Solfarina Solfarina
Mitra Sains Vol 3 No 1 (2015): Januari
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v3i1.40

Abstract

The characters of students can be developed through a learning process integrated to the subjects of chemistry on the distinctiveness of carbon atoms with stimulus on the achievement of learning outcomes in cognitive, affective, and psychomotor aspects through cooperative method of STAD (Student Teams Achievement Division) type. This study analysed and described: (1) effect of learning the distinctiveness of carbon atoms charged characters to develop characters of students at SMK Negeri 1 Tolitoli; (2) effect of learning the distinctiveness of carbon atoms charged characters to the learning outcomes of students at SMK Negeri 1 Tolitoli; (3) effect of characters to the learning outcomes on learning the distinctiveness of carbon atoms at SMK Negeri 1 Tolitoli. This study used a quasi-experimental method. The samples was whole classes of X CEN (Computer Engineering and Networks) consisting of class X CEN1 with 32 students as an experimental group, and class X CEN2 with 34 students as a control group, which were determined by purposive random sampling technique. The data were collected using questionnaires, tests, interviews and observation sheets. The data were analysed using t-test with the significance level α= 0.05. The results showed that (1) learning the distinctiveness of carbon atom charged characters affected to develop characters of students at SMK Negeri 1 Tolitoli showed by significance value (0,000) < α (0,05); (2) learning the distinctiveness of carbon atom charged characters affected to the learning outcomes of students at SMK Negeri 1 Tolitoli showed by significance value (0,000) < α (0,05); and (3) the characters affected to the learning outcomes on learning the distinctiveness of carbon atoms at SMK Negeri 1 Tolitoli showed by significance value (0,005) < α (0,05).
Pengaruh Pembelajaran Kimia Melalui Inkuiri Terbimbing Dengan Pendekatan Saintifik Terhadap Hasil Belajar Dan Sikap Ilmiah Siswa Kelas X SMA Negeri 9 Palu Alamsyah Alamsyah; Baharuddin Hamzah; Solfarina Solfarina
Mitra Sains Vol 3 No 3 (2015): Juli
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v3i3.107

Abstract

It has been conducted a research where that aim is to describe the influence of the guided inquiry learning process with the scientific approach on the learning outcomes of and scientific attitudes of student. The population in this study is all students of class X SMA Negeri 9 Palu with academic year 2014/2015. The purposive sampling is used for sampling technique where class XA as an experimental class and class B as a control class. The research design used is the pretest-posttest control group design. Statistical test used is the Mann-Whitney U-Test. Based on the analysis of the calculation of the value of <g>, there is an improvement on learning outcomes of student in the experimental class compared to the control class. Based on statistical test, it is showed that Zcalculation<Ztable at significant level of 0.05, which means that the guided inquiry in chemistry learning through scientific approach gives a significant effect on learning outcomes and scientific attitudes of student in class X SMA Negeri 9 Palu on electrolyte and on-electrolytes solution topic.
Pengaruh Brain Based Learning Terhadap Keterampilan Berpikir Kritis Dan Hasil Belajar Siswa SMA Negeri 9 Palu Pada Materi Larutan Asam Basa Irma Irma; Suherman Suherman; Solfarina Solfarina
Mitra Sains Vol 3 No 3 (2015): Juli
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v3i3.109

Abstract

This research is about influence of brain based learning (BBL) toward critical thinking skill and student’s learning achievement at grade XI IPA SMA Negeri 9 Palu in acid base solution concept. The method is quasy experiment with design of pretest-posttest control group design. The technic of analysis used nonparametric statistical method mann whitney U-test. The sample of this research was class XI IPA 1 as experiment group and class XI IPA 3 as control, which choosen by purposive sampling technic. Analysed found, sig.2-tailed (0,000) < 0,05 has significant difference of critical thinking skill, learning achievement of experiment and control gruop. Result of Test <g> were improved of critical thinking skill and student’s learning achievement in experiment group more high than control group. The conclusion of this research was brain based learning (BBL) has influential to improved critical thinking skill, student’s learning skill at grade XI IPA SMA Negeri 9 Palu in acid base solution concept.
Meningkatkan Aktivittas Dan Basil Belajar Siswa Melalui Pendekatan Pembelajaran Realistik Pada Siswa Kelas V SD INPRES Baliase Kecamatan Marawola Kabupaten Sigi Erlinda Erlinda; Samsurizal N. Suleman; Solfarina Solfarina
Mitra Sains Vol 3 No 4 (2015): Oktober
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v3i4.119

Abstract

This study aimed to improving activity and learning outcomes of students at fifth grade SD Inpres Baliase, Sigi County through implementing realistic learning approach. Data was collected by instrument of rubric of lesson plan, activity observation sheets of students and teacher, and formative test. The result of study showed that realistic learning approach could be improved students activities and learning outcomes. The student activities in first and second cycles have good categories. The learning by realistic approach could to be improving students learning outcomes. That was known by compare classical absorption between before and after action research. The learning outcome of first cycle has increased, although less that indicators. In the second cycle, it had significant and reach the classicai absorption as a school settled. Improve activity and learning outcomes was consequence of realistic learning approach that was first cycle in good categories and second cycle in very good.
Co-Authors Alamsyah Alamsyah Badwi Badwi Baharuddin Hamzah Erlinda Erlinda Irma Irma Samsurizal, M. Sulaeman Suherman Suherman