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All Journal Jurnal Pendidikan IPA Indonesia REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Golden Ratio of Human Resource Management
Martini, M.
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Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Education Engineering Environmental Science Social Sciences Transportation

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Improving Undergraduate Science Education Students’ Argumentation Skills through Debates on Socioscientific Issues Martini, M.; Widodo, W.; Qosyim, A.; Mahdiannur, M. A.; Jatmiko, B.
Jurnal Pendidikan IPA Indonesia Vol 10, No 3 (2021): September 2021
Publisher : Program Studi Pendidikan IPA Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpii.v10i3.30050

Abstract

This research aims to examine undergraduate students’ argumentation skills during and after the learning process in the classroom setting and their responses toward the implementation of socioscientific issues (SSI) through debate in the learning process. This research involved 32 undergraduate students and implemented design-based research with pretest and posttest in a natural classroom setting using three topics of SSI debate that widely discussed in Indonesia: Nuclear Powerplant (Topic 1), Food Preservation (Topic 2), and Genetically Modified Organism (Topic 3). Data was collected using observation sheets, tests, and questionnaires. Observation is to measure argumentation ability when applying the debate method in class settings, the test measures the improvement of argumentation skills, and questionnaires measure students’ responses to the application of the debate method. In this study, argumentation scores were obtained from six indicators and divided by a maximum score of 24 times 100. Normalized gain (N-gain) was calculated to determine the effectiveness of the intervention in the classroom. T-test was also conducted to test the significance of the differences in the pretest and posttest results on argumentation skills.  The results obtained in this study are: the argumentation skills score during the learning process for six groups were 95, 80.6, 90.3, 95, 83.3, and 77.5; the mean score of pretest and posttest were 52.22 ± 6.62 and 85.78 ± 4.72. The consistency of opinions shows the change from “agree” to “disagree” for Topics 1 and 3. The undergraduate students agree and consistently agree toward Topic 2. The paired t-test result also shows that the intervention statistically has a significant difference between the two means, indicating that the undergraduate students’ argumentation skills are better than before the intervention. Otherwise, most of the undergraduate students respond positively toward the implementation of the debate related to SSI. Despite some limitations, the debate on SSI can improve argumentation skills in classroom settings, especially in science education majors.
The Influence of Organizational Climate, Compensation and Work Environment on Employee Job Satisfaction Martini, M.; Triyono, T.
Golden Ratio of Human Resource Management Vol. 1 No. 1 (2021): August - February
Publisher : Manunggal Halim Jaya

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Abstract

The purpose of this study was to analyze the effect of Organizational Climate, Compensation and Work Environment on Employee Job Satisfaction in Bantaeng District Land Estate. This research was conducted at the Bantaeng District Land Office. The population in this study were all employees at the Bantaeng District Land Office with a total of 37 employees. The sample used in this study is the entire population of 37 people because the total population is below 100. This research is a quantitative descriptive research with a survey method. Data collection was carried out using a questionnaire. Data analysis using descriptive statistics and multiple linear regression.The results of this study indicate that partially or simultaneously the variables Organizational Climate, Compensation and Work Environment have a positive and significant effect on employee job satisfaction at the Bantaeng District Land Office.
Karakteristik Kuat Geser Tanah Dengan Tanpa Akar Vegetasi Pada Lereng Ruas Tawaeli -Toboli Martini, M.; Sutapa, I.W.; Ramadhani, S.
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 6 Issue 1 (March 2025)
Publisher : Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v6i1.715

Abstract

The contribution of vegetation to slope stability is based on hydrological and mechanical aspects. The effect of vegetation on the hydrological aspect is to reduce soil water content through transpiration, interception and evapotranspiration. And the mechanical influence of vegetation is through strengthening the roots in the soil. Water absorption by vegetation varies depending on age and density, rainfall factors and soil type. Cohesion (c) and friction angle () are soil shear strength parameters. In soil that has vegetation roots, it will form a composite material, namely the root-soil model, there is an increase in cohesion value with the presence of roots, this is what is called apparent cohesion (c'R). Several parameters that are believed to influence the shear strength of the soil and roots will also be studied, namely the physical properties of the roots, namely diameter, type of root/vegetation, and water content. For mechanical properties, namely the tensile strength of the roots, the shear strength parameters of the soil both without and with roots, namely cohesion, apparent cohesion and internal friction angle. The type of vegetation reviewed in this research is elephant grass with fibrous roots. The results obtained indirectly by increasing the value of cohesion and angle of friction in the soil due to the presence of roots influence/increase the shear strength of the soil. The volume of roots in the soil greatly influences changes in the cohesion value or angle of friction of the soil. As the root volume decreases, the shear strength value decreases, the shear strength parameter also decreases. In this study, the change in soil shear strength values in sandy soil conditions, the increase in cohesion value was not as significant compared to the change in friction angle values.
The Influence of Organizational Climate, Compensation and Work Environment on Employee Job Satisfaction Martini, M.; Triyono, T.
Golden Ratio of Human Resource Management Vol. 1 No. 1 (2021): August - February
Publisher : Manunggal Halim Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The purpose of this study was to analyze the effect of Organizational Climate, Compensation and Work Environment on Employee Job Satisfaction in Bantaeng District Land Estate. This research was conducted at the Bantaeng District Land Office. The population in this study were all employees at the Bantaeng District Land Office with a total of 37 employees. The sample used in this study is the entire population of 37 people because the total population is below 100. This research is a quantitative descriptive research with a survey method. Data collection was carried out using a questionnaire. Data analysis using descriptive statistics and multiple linear regression.The results of this study indicate that partially or simultaneously the variables Organizational Climate, Compensation and Work Environment have a positive and significant effect on employee job satisfaction at the Bantaeng District Land Office.
Co-Authors B. Jatmiko Muhamad Arif Mahdiannur Qosyim, A. Ramadhani, S. Sutapa, I.W. Triyono, T. W. Widodo