There are various ways to detect the presence of compound drugs, such as heroin, cocaine, morphine in the human body. Either through a urine sample or blood sample. This study was undertaken with the aim to create a system that can detect the severity level of the effects of illegal drugs (narcotics) uses from the blood, with three different level ie minimal, moderate, and severe of the five compounds drugs and hemoglobin levels which contained from each blood sample. The fifth compound including diacetylemorphine, morphine, benzoylecgonine, amphetamine, and phencyclidine. From the test results with learning rate 0.3, threshold value 0.5, 2 units of output units and 6 units of input units, this system has a success rate of 60%-100% from the test of a new blood sample data (non-learning data) and 100% for the training sample data (learning data).
This research aimed to find out the target and learning needs of Grade X SMA SWASTA MARISI MEDAN. Moreover, it had a goal to develop English materials for learning writing skills. This is a research and development (R&D) study. The subjects of this research were 25 students of Grade X SMA SWASTA MARISI MEDAN. The need analysis data were collected by using questionnaires and an interview. Then, the results of questionnaires were calculated through percentage. Thus, the highest percentage was considered as the needs of students. Meanwhile, the results of expert judgment were analyzed in the form of descriptive statistics. Three units of materials were developed in this research. Each unit consists of introduction, main lesson and reinforcement. These materials used Project-Based Learning as the approach in learning writing skill. The units covered some tasks as identify the generic structure, write a short paragraph and complete the sentences. Mostly, the themes used represented students’ knowledge about the popular places and person around them. According to the results of the expert judgment, the materials were very relevant to be used for Grade X SMA SWASTA MARISI MEDAN. Keywords: learning writing, writing, descriptive text
Penelitian ini bertujuan untuk menganalisis pengaruh Persepsi Harga, Kualitas Pelayanan, Kepercayaan terhadap Loyalitas Pelanggan pada transportasi online. Objek penelitian ini pada pengguna gojek di Pekanbaru. Teknik pengambilan sampel menggunakan non-probability sampling metode Convenience Sampling. Jumlah sampel yang digunakan dalam penelitian ini adalah 218 responden. Metode analisa yang digunakan dalam penelitian ini dengan model regresi linier berganda. Hasil penelitian menunjukkan bahwa : Persepsi Harga berpengaruh positif dan signifikan terhadap Loyalitas Pelanggan, Kualitas Pelayanan berpengaruh negatif dan tidak signifikan terhadap Loyalitas Pelanggan, Kepercayaan berpengaruh positif dan signifikan terhadap Loyalitas Pelanggan.
In response to the subpar academic performance of 5th grade understudies at SDN 016 Loa Janan in the academic year 2022-2023, this test was created. Through the use of project-based learning (PJBL), this project seeks to improve the scientific learning outcomes for fifth-graders at SDN 016 Loa Janan in the academic year 2022-2023. A sort of study known as classroom action research (PTK) is conducted across two cycles, with two sessions per cycle. Planning, carrying out, observing, and reflecting were the four steps of each of the two cycles over which this research was conducted. The findings of this study's project-based learning experiments on the human respiratory system are its main focus. Twenty students from SDN 016 Loa Janan's class V participated as the study's participants. collecting data for study via tests and documentation of perception. The average score climbed to 60 (57%) with 11 complete students in the first cycle, and to 70.25 (80%) with 16 full students in cycle II. The analysis found that cycle I had a classical completeness of 26.32 percent, whereas cycle II had a classical completeness of 45.90 percent. The outcomes of cycle II research provide a 75% indication of research success.
This study aims to determine the effect of communication teamwork and work discipline on employee performance at PT Pratomo Putra Teknik Palopo. This research method is a quantitative one, and data collection involved distributing questionnaires directly to employees of PT Pratomo Putra Teknik Palopo, with the subject of this research involving 40 respondents. In this study, using a Likert scale with a questionnaire statement, respondents answered "strongly disagree" to "strongly agree" to each question on each indicator. The data analysis method used is multiple linear regression analysis. The results of the partially tested research show that communication and teamwork have a positive and significant effect on employee performance at PT Pratomo Putra Teknik Palopo. Meanwhile, work discipline has a positive and significant impact on employee performance, and employee performance has a positive and significant impact on work discipline and communication teamwork at PT Pratomo Putra Teknik Palopo.
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