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All Journal Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Jurnal Pembelajaran, Bimbingan, dan Pengelolaan Pendidikan Open Access DRIVERset
Dian Munawarah
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EFEKTIVITAS SUHU TERHADAP PERTUMBUHAN BAKTERI Bacillus cereus STRAIN IMB-10 DALAM MENDEGRADASI BAHAN BAKAR SOLAR SEBAGAI SUMBER RANCANGAN MODUL PEMBELAJARAN BIOLOGI SMA Dian Munawarah; Irda Sayuti; Sri Wulandari
Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Vol 8, No 1 (2021): EDISI 1 JANUARI-JUNI 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan

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Abstract: This study aims to determine the effectiveness of temperature on the growth of Bacteria Bacillus cereus strain IMB-10 in degrading diesel fuel. This research was carried out in the UR FKIP PMIPA laboratory to determine how the effectiveness of temperature on the growth of Bacteria Bacillus cereus strain IMB-10 in degrading diesel fuel and measuring the level of degradation of TPH (Total Petroleum Hydrocarbons) for diesel fuel which was carried out at the Faculty of Civil and Environmental Engineering ITB. The research was conducted in November 2019 - June 2020. This research was descriptive with an experimental method, the research design used was a completely randomized design consisting of 4 treatments and 4 repetitions, the media used was SMSS media with different temperature variations, namely temperatures of 310C, 340C , 370C and 400C then added 5% diesel fuel and bacterial isolate Bacillus cereus strain IMB-10. The parameters tested were Optical Dencity (turbidity level) growth of Bacillus cereus Strain IMB-10 spectrophotometer and measurement of the degradation rate (Total Petroleum Hydrocarbons) TPH which consisted of 2 steps, namely measuring the initial TPH and final TPH using the gravimetric method. Based on the results of the study, the temperature of 340C is an effective temperature for the growth of the bacteria Bacillus cereus Strain IMB-10 with the highest OD value on day 5 of 3.6 A and a reduction in the level of diesel fuel degradation by 35.91%. The potential results are used as a source for the design of the KD 3.5 and KI 3.5 biology learning modulesKey Words: Temperature effectiveness, Bacteria Bacillus cereus Strain IMB-10,degradation, diesel fuel, modules
Adaptation of the Self-Compassion Scale for Youth (SCS-Y) in Indonesian Schools: Analysis with the Rasch Model Dian Munawarah; Nandang Rusmana; Setiawati Setiawati; Sudaryat Nurdin Akhmad; Rahmat Siala; Akhmad Harum; Dian Munawarah; Nandang Rusmana; Setiawati; Sudaryat Nurdin Akhmad; Rahmat Siala; Akhmad Harum
Jurnal Pembelajaran, Bimbingan, dan Pengelolaan Pendidikan Vol. 7 No. 1 (2027)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um065.v7.i1.2027.1

Abstract

Self-compassion is one of the variables that is crucial for teenagers in responding to failure and psychological stress in a way that is adaptive. The instrument's appropriate measurement with context language and Indonesian teenagers' culture is still limited. Research: This aim tests the psychometric properties of the Self-Compassion Scale for Youth (SCS-Y) version Indonesian through the approach of Rasch modeling, including item fit, unidimensionality, and item and person reliability. Research involving 360 selected junior high school and senior high school students from the West Java and Sulawesi regions through purposive sampling. The research process consists of two phases, namely adaptation across cultures and testing psychometrics using the Rating Scale Model with the help of the software Winsteps. Research results show that structure category scale response functioning optimally without disordered threshold, all 17 items instrument declared fit with the Rasch model without There is necessary items dropped, instrument show adequate unidimensionality ( raw variance explained by measures = 34.2%; unexplained variance in 1st contrast = 11.3%), as well as excellent item reliability (0.99) and adequate person reliability (0.76–0.80) with good internal consistency (Cronbach's Alpha = 0.78). Findings: This proves that the SCS-Y version in Indonesian is a valid and reliable instrument for measuring self-compassion of Indonesian adolescents, so that it can be used as a tool for assessment in service guidance and counseling in schools, especially for needs screening of psychologically needy students and designing intervention programs based on empirical data.  
Adaptation of the Self-Compassion Scale for Youth (SCS-Y) in Indonesian Schools: Analysis with the Rasch Model Dian Munawarah; Nandang Rusmana; Setiawati Setiawati; Sudaryat Nurdin Akhmad; Rahmat Siala; Akhmad Harum; Dian Munawarah; Nandang Rusmana; Setiawati; Sudaryat Nurdin Akhmad; Rahmat Siala; Akhmad Harum
Jurnal Pembelajaran, Bimbingan, dan Pengelolaan Pendidikan Vol. 7 No. 1 (2027)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um065.v7.i1.2027.1

Abstract

Self-compassion is one of the variables that is crucial for teenagers in responding to failure and psychological stress in a way that is adaptive. The instrument's appropriate measurement with context language and Indonesian teenagers' culture is still limited. Research: This aim tests the psychometric properties of the Self-Compassion Scale for Youth (SCS-Y) version Indonesian through the approach of Rasch modeling, including item fit, unidimensionality, and item and person reliability. Research involving 360 selected junior high school and senior high school students from the West Java and Sulawesi regions through purposive sampling. The research process consists of two phases, namely adaptation across cultures and testing psychometrics using the Rating Scale Model with the help of the software Winsteps. Research results show that structure category scale response functioning optimally without disordered threshold, all 17 items instrument declared fit with the Rasch model without There is necessary items dropped, instrument show adequate unidimensionality ( raw variance explained by measures = 34.2%; unexplained variance in 1st contrast = 11.3%), as well as excellent item reliability (0.99) and adequate person reliability (0.76–0.80) with good internal consistency (Cronbach's Alpha = 0.78). Findings: This proves that the SCS-Y version in Indonesian is a valid and reliable instrument for measuring self-compassion of Indonesian adolescents, so that it can be used as a tool for assessment in service guidance and counseling in schools, especially for needs screening of psychologically needy students and designing intervention programs based on empirical data.  
Co-Authors Akhmad Harum Akhmad Harum, Akhmad Dian Munawarah Irda Sayuti Nandang Rusmana Rahmat Siala Rahmat Siala Setiawati Setiawati Setiawati SRI WULANDARI Sudaryat Nurdin Akhmad Sudaryat Nurdin Akhmad