Mitra Sains (E-Journal)
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Analisis Pengendalian Persediaan Bahan Baku Rotan Pada Mebel Rotan Palunesia Collection Team Kota Palu
Full text linkThis research was conducted to; (1) Determine the optimal order quantity of raw rattan at Palunesia Collection Team Rattan Furniture 2014, (2) Knowing the amount of safety stock of raw rattan to be available at Palunesia Collection Team Rattan Furniture 2014, (3) Know the reorder point materials rattan conducted by Palunesia Collection Team Rattan Furniture 2014, (4) To Find out the total inventory cost of raw material should be issued by the rattan at Palunesia Collection Team Rattan Furniture 2014. Selection of a study conducted by purposive (deliberately) with the consideration that Rattan Furniture Palunesia Collection Team is one of the rattan furniture industry is still active to this day of 12 rattan furniture industry in Palu, on the other hand Palunesia Rattan Furniture Collection Team simply producing furniture as the main product. This study was conducted from April to May 2015. The data analysis that used in this research included Economiq Order Quantity (EOQ), Safety Stock, Reorder Point, and Total Inventory Cost. The results indicate that the optimal number of reservations of raw materials for fine rattan in 2014 for rattan poles Amounted to 105.61 kg, for Rattan pitrit optimal order quantity Amounted to 127.34 kg and rattan core optimal order quantity Amounted to 52.20 kg. Safety stock should always be available in 2014 for this type Amounted to 26.28 kg polished rattan, Rattan pitrit of 50.49 kg, and the types of rattan core of 12.37 kg. Reorder point to be done in 2014 for the types of rattan poles when the amount of raw materials Amounted to 30.54 kg, rattan pitrit at the time the raw material Amounted to 55.39 kg, and the types of rattan core when the amount of raw materials Amounted to 14, 32 kg. Total inventory costs incurred in 2014 for this kind of rattan poles Rp. 124,003.00, for a type of rattan pitrit Rp. 119,109.95 and for the types of rattan core Rp. 123,207.14
Pengaruh Kompetensi Profesional Guru Terhadap Aktivitas Belajar Siswa, Kemudahan Memahami Materi Pembelajaran Dan Hasil Belajar Siswapada Mata Pelajaran Ipa Di Smp Rayon Ii Kabupaten Sigi
Full text linkThe objective of this research was to know the influence and the relationship among teachers’ professional competence to students learning activity, the ease of understanding learning material and students learning outcomes on IPA subject at SMP Rayon II Sigi Regency. This research was a formal research which found out the relationship among the influence of students learning activities Y1, the ease of understanding learning materials Y2 and student learning outcomes Y3 in IPA subject. To measure the teachers professional competence (X) is obtained by using the observation sheet that contained the teachers assessment activities, variable Y1 obtained by observations on the implementation process of learning in the classroom, variable Y2 about the ease of understanding the learning materials obtained by questionnaire and variable Y3 on student learning outcomes obtained of the results of tests conducted by each teacher that being a sample in this study. The results indicated that the teachers’ professional competence had very real influence on students' learning activities and ease of understanding learning material but not real on student learning outcomes. In conclusion, teachers’ professional competence is a matter that needs to be developed by teachers with special autonomy so that they had more professional responsibility. Achievement of the average value of the percentage of the activity of 27 teachers with students as much as in 1080 reached 76.85% or in the good criteria according to the size specified by Depdiknas (2004)
Profil Pemecahan Masalah Persamaan Linear Satu Variabel Siswa Climber Pada Kelas Vii Smp Negeri 3 Palu
Full text linkThis research aimed to describe the profil of students’ problem solving of one variable linear equations of the climber students’ in the grade VII of SMP Negeri 3 Palu. The research subject was gained by adversity response profile questionnaire to classify the type of student that type of adversity quotient climber, camper, and a quitter. Subjects used in this research only one student type of climber. The results of this research shows that: (1) understand the problem, students climber unyielding so as to identify and propose things that are known and questioned on the issue, (2) make a plan, students climber motivate yourself and not easily satisfied so as to propose a contingency plan that will be done to solve the problem, (3) carrying out the plan, students climber always trying and not give up so as to implement the plan as planned and the results obtained are correct, and (4) looking back, students climber is not so just believe in the truth of the results obtained, so the retest by linking it known denfan results
Efisiensi Penggunaan Input Produksi Kakao Di Desa Dolago Kecamatan Parigi Selatan Kabupeten Parigi Moutong
Full text linkCentral Sulawesi Province especially Parigi Moutong district, the majority of the population lives on farming, so to obtain optimal production requires the use of efficient input. The purpose of this research is to determine the effect of cocoa production inputs (the number of trees in production (X1), Urea fertilizer (X2), NPK fertilizer (X3) and labor (X4) that affecting the level of cocoa production efficiency. The respondent was selected through Simple Random Sampling that obtained 35 out of 350 people of total population. The analysis used is Multiple Linear Regression using Cobb-Douglass and Efficiency Analysis. The results of F-test show that variable the number of cocoa trees produced (X1), Urea fertilizer (X2), NPK fertilizer (X3) and labor (X4) simultaneously affect the cocoa production at Dolago Village. The result of test-t show that variable of the number of cocoa trees produces (X1), Urea fertilizer (X2), NPK fertilizer (X3) and labor (X4) affecting the production of cocoa at Dolago Village. The results of the efficiency analysis show that the value of variable efficiency (The number of trees in production (X1) 0.26<1 it means no need the addition of cocoa trees, the value of the variable urea fertilizer efficiency (X2) 1.24>1 it means not efficient, need the addition of urea fertilizer in accordance with a balanced dose, the value of the variable NPK fertilizer (X3) 463.8>1 it means that the use of input NPK fertilizer not efficient so that need increasing doses of NPK fertilizer in accordance with the dose of balanced and the value of the variable efficiency of labor (X4) 0.066<1 it means not efficient because the use is excessive so farmers had to reduce the use of labor on cocoa farms at Dolago village, South Parigi sub district
Analisis Ketergantungan Masyarakat Terhadap Hasil Hutan Bukan Kayu Pada Taman Nasional Lore Lindu (Studi Kasus Desa Sidondo I Kecamatan Biromaru dan Desa Pakuli Kecamatan Gumbasa)
Full text linkPeople living around the forest area depend on forest and forestry activities. Dependence might be seen from economic, social and cultural aspects. This was descriptive research using survey approach. The respondents were sampled from the population who live as subvillage 5, Sidondo I and subvillage 2, Pakuli around LLNP by using questionnaires. The results showed the utilization forms of non timber forest products are bamboo used for building materials, firewood for energy sources and candlenut for food sources. Bamboo and candlenut are non timber forest products that might be income sources, firewood is for everyday purposes. All the three forest products are non timber forest products are predominantly conection by respondents from LLNP area. The people’s dependence upon the LLNP from economic aspect is quite high, while the social aspect and the cultural aspect is low.  
Penerapan Model Pembelajaran Kooperatif Tipe Student Team Achievement Division Untuk Meningkatkan Aktivitas dan Hasil Belajar Siswa di Kelas IV SDN Kawatuna
Full text linkThe problem in this study was the lack of student activities and low learning outcomes of students in science subject at fourth grade SDN Kawatuna Palu. This study was classroom action research consist of two cycles. Each cycle consists of two meetings. The stages of every cycle were planning, action, observation and reflection. By through the six phases of Student Team Achievement Division (STAD) learning, that students activity and student learning outcomes on the material force and motion of objects might increase. The activity of student in first cycle reached 72.7%, (good categories according to Likert scale), teacher activity reached 75% (good categories) and learning outcomes in the form of classical completeness reached 59.4% (enough category). In the second cycle, the student activity reached 84.9% and teacher reached 87.5%, the result of classical completeness increased up to 100%. These results provide a positive impact in improving the activity and student learning outcomes. STAD might made students more familiar and more active in learning. Familiar means that students work together in completing the LKS group, they cooperate by accepting the differences of each member of the group. Active in this case was students more active to ask and answer the question, both of teachers and of other groups at the time of the learning process
Penerapan Model Pembelajaran Kooperatif Tipe Group Investigasi Untuk Meningkatkan Aktivitas Dan Hasil Belajar Siswa Kelas VI SDN No. 1 Labuan Bajo
Full text linkThe research was conducted on even semester in SDN No.1 Labuan Bajo in academic year 2014-2015. The problems of the study was how the implementation of cooperative learning model by group investigation to improve activity and learning outcomes in science subjects at grade sixth. The research was used classroom action research by 2 cycle. Each cycle consists of 2 meetings. The results of research showed that both the average of teacher and students activity were in good categories. Furthermore, the results of achievements consisted of classical absorption value and classical learning completeness. Based on indicators, classical absorption value clarified was attained with good category and classical learning completeness had over of indicators that settled of School, and to have excellent category. Based on the redearch results, they can concluded that the implementation of cooperative learning model by Group Iinvestigation could increase the activity and learning outcomes at grade sixth SD No.1 Labuan Bajo
Pengaruh Model Problem-Based Learning (PBL) Terhadap Keterampilan Berpikir Kreatif Dan Hasil Belajar Siswa Pelajaran IPA Kelas VII SMP Negeri 3 Palu
Full text linkThis research aimed to describe influence of problem-based learning (PBL) towards students’ creative thinking skill and learning achievement at Class VII of SMPN 3 Palu. The research implemented quasi-experimental using control group pretest-posttest design. The samples of the research were Class VII F (as experimental group) and Class VII I (as control group). Research data were collected using creative thinking skill test and learning achievement test and were analyzed by t-test and descriptive statistic method. Results of the research showed that there was significant difference (α = 0,05) for (1) creative thinking skill and (2) learning achievement between the both groups. Analysis on normalized gain (<g>) showed that the experimental group outaperformed the control group in the two aspects. It could be concluded that problem-based learning had significant influence on students’ creative thinking skill and learning achievement at Class VII of SMPN 3 Palu
Mutu Organoleptik Tortilla Ubi Jalar Ungu
Full text linkThis study aims: purple sweet potato tortilla has a crunchy texture. Tortilla purple sweet potato is one of a light meal that is loved by the community compared to other snacks. One of the factors that affect the quality of the tortilla is the ratio of purple sweet potato and cassava. the ratio of purple sweet potato, cassava produce purple sweet potato tortilla with good organoleptic quality. The research is designed using completely randomized design pattern combination and a randomized block design. RAL pattern combination is applied to influence the ratio of purple sweet potato and cassava (F1 = 1: 0), (F2 = 2: 1), (F3 = 2: 2), (F4 = 3: 1), (F5 = 3: 2), (F6 = 1: 1), while RAK applied in organoleptic purple sweet potato tortilla, which was tested by 30 panelists. Organoleptic quality research results purple sweet potato tortilla with panelists color value (5.33), aroma (5.03), flavor (5.97), texture (crispness) with the value (5.33) and the best level of preference is (5.27)
Pengaruh Pengetahuan Awal, Kecerdasan Emosional, Dan Motivasi Belajar Terhadap Hasil Belajar IPA Siswa Kelas VIII SMP Negeri 3 Parigi
Full text linkThe aimed of this Research to describe the effect of: (1) Students’s prior knowledge toward the science achievement; (2) emotional quotient toward the science achievement; (3) learning motivation toward the science achievement; and (4) prior knowledge, emotional quotient, and learning motivation toward the science achivement at class VIII of SMPN 3 Parigi. The population of the research was the students at class VIII of SMPN 3 Parigi registered in 2014/2015, consisted of 50 students. The sample of the the research was overall of the population member (saturated sample). The collecting data used multiple choice test to measure the student’s prior knowledge and questionnaire to measure emotional quetiont and student’s learning motivation. The data were analyzed by using double linear regression analyses with SPSS-17. The research findings indicated that there were significant effect between (1) prior knowledge toward the science achievement, (2) emotional quotient toward the science achievement, (3) learning motivation toward science achievement, (4) prior knowledge, emotional quotient, and learning motivation toward the science achivement at class VIII of SMPN 3 Parigi