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Clean living behavior to support optimal growth and development for children in Simalungun Regency Siregar, Suri Mutia; Meutia, Amalia; Sinulingga, Samerdanta; Marlina, Lisa
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Nagori Parik Sabungan is a village located in Dolok Pardamean District, Simalungun Regency. The location of the village is located within the coverage area of Lake Toba, so it has the potential to develop into a tourist destination village. However, this village still has several obstacles to develop tourism, one of which is the low awareness of the community to handle waste properly. This service aims to shape the behavior of LISA (See Garbage Take) in 100 children at the Nagori Parik Sabungan Nature School, so that it can help improve environmental hygiene in the village area and instill clean habits in children. Formation of LISA behavior is done by modifying economic token type behavior. An economic token is a method in which a person or group of people can get a token every time he displays the desired behavior. The series of service activities was held for approximately 29 days. As a result, 50% of participants children already understand the adverse effects of improper waste management, and 100% of child participants are able to display LISA behavior during the activity

The potential to attract the interest of local and foreign tourism potential of Nagori Parik Sinulingga, Samerdanta; Marlina, Lisa; Meutia, Amalia; Siregar, Suri Mutia
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Toba Lake. Six other districts covered by the Lake Toba region are Toba Samosir Regency, North Tapanuli Regency, Humbang 2 Hasundutan Regency, Samosir Regency, and Dairi Regency. Subdistricts in Simalungun District included in the Lake Toba area are Pematang Silimakuta Subdistrict, Silimakuta Subdistrict, Haranggaol Horison Subdistrict, Dolok Pardamean Subdistrict, Pematang Sidamanik Subdistrict, and Girsang Sipangan Bolon Subdistrict (Republic of Indonesia, no year). Based on the data contained in the Simalungun Regency Government Performance Report 2016 (Republic of Indonesia, 2016), Lake Toba is one of the leading tourist attractions in Simalungun Regency. Some of the efforts that have been made to develop the tourism area are establishing cooperation with stakeholders in the tourism sector and holding the Lake Toba Party. As the largest cadera lake in the world, Lake Toba has the potential to attract both local and foreign potentials. However, the total tourist arrivals in Simalungun Regency in 2016 were 314,890 people consisting of 305,832 archipelago tourists and 9,058 foreign tourists

Waste management problems that occur in Nagori Parik Sabungan with the LISA method (See Pick Take) Meutia, Amalia; Siregar, Suri Mutia; Sinulingga, Samerdanta; Marlina, Lisa
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

This service aims to shape the behavior of LISA (See Garbage Take) in the community in Alam Nagori Parik Sabungan, so that it can help improve environmental hygiene in the village area and instill clean habits in children. Formation of LISA behavior is done by modifying economic token type behavior. An economic token is a method in which a person or group of people can get a token every time he displays the desired behavior. The series of service activities was held for approximately 29 days. As a result, 50% of child participants have understood the adverse effects of improper waste handling, and 100% of child participants have been able to display LISA behavior during activities

Analysis of The Day of The Week Effect On Virtual Currency Returns On The Cryptocurrency Market Tantober, Basthian; Syahputra Silalahi, Amlys; Syahyunan; Marlina, Lisa
Journal Of Management Analytical and Solution (JoMAS) Vol. 1 No. 1 (2021): Journal Of Management Analytical and Solution
Publisher : TALENTA Publisher, Universitas Sumatera Utara

The purpose of this study was to determine and analyze the influence of the day of the week effect on virtual currency return at cryptocurrency market. This research was an empirical study on trading day and virtual currency returns. This research was taking 26 cryptocurrencies that listed during January,1st 2018 until December, 31st 2018 and used daily return of each virtual currencies. The analytical method used is descriptive analysis method and multiple linear regression analysis method with dummy variables. This type of research is associative research and the data used are secondary data that has been processed and published. Data is processed statistically with the EViews program, namely the t test model and f test. The results of this study indicate that simultaneously the trading days have a significant effect on virtual currency return. Partially, trading day variables of Tuesday, Thursday, and Friday have a positive and significant effect on virtual currency return

The Effect of Contextual Teaching and Learning Using PhET Media on Higher-Order Thinking Skills in the Energy Material Marlina, Lisa; Supriadi, Gito; Rizal, Setria Utama
Jurnal Pijar Mipa Vol. 20 No. 5 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i5.9571

Natural and Social Sciences (IPAS) learning in schools often faces challenges, especially in improving students' higher-order thinking skills. One of the factors that results in low learning outcomes in higher-order thinking skills is the use of learning models that do not involve students fully and actively. Therefore, an innovative and effective learning model is needed, one of which is the contextual teaching learning model using PhET media. This study was conducted to examine the application of the Contextual Teaching and Learning (CTL) model using PhET media on energy materials in grade 4 elementary school, and the significant influence of the Contextual Teaching and Learning (CTL) model using PhET media on Higher Order Thinking Skills in energy materials in grade 4 elementary school. he method used is a quasi-experimental qualitative design with a one-group pretest-posttest design. Data in the study were obtained through observation, tests and documentation. The data analysis technique in this study uses observation sheets to see the application of the contextual teaching learning model using PhET media, with a score of 87.5 in the satisfactory category. Descriptive statistical data were obtained; the average pretest score was 44.00. Then, after applying the Contextual Teaching and Learning (CTL) learning model using PhET media, it increased to 90.87. The normality test obtained a pre-test value of 0.057 ˃ 0.05, so the distribution of data in this pretest was distributed normally. As for the post-test, the results of higher-order thinking skills have a value of 0.541 ˃ 0.05 with normal distribution. The hypothesis test uses the Wilcoxon Signed Ranks Test with a Mean Rank of 8.00 and a Sum of Rank of 120.00 with a significance value of 0.000, which means that it is less than the significance level (α) of 0.05, so that H₀ is rejected. This means that there is a significant difference between pre-test and post-test scores. In conclusion, the Contextual Teaching and Learning (CTL) learning model using PhET media has an effect on Higher Order Thinking Skills in energy materials in grade 4 elementary school.

Analysis of The Day of The Week Effect On Virtual Currency Returns On The Cryptocurrency Market Tantober, Basthian; Syahputra Silalahi, Amlys; Syahyunan; Marlina, Lisa
Journal Of Management Analytical and Solution (JoMAS) Vol. 1 No. 1 (2021): Journal Of Management Analytical and Solution
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jomas.v1i1.5238

The purpose of this study was to determine and analyze the influence of the day of the week effect on virtual currency return at cryptocurrency market. This research was an empirical study on trading day and virtual currency returns. This research was taking 26 cryptocurrencies that listed during January,1st 2018 until December, 31st 2018 and used daily return of each virtual currencies. The analytical method used is descriptive analysis method and multiple linear regression analysis method with dummy variables. This type of research is associative research and the data used are secondary data that has been processed and published. Data is processed statistically with the EViews program, namely the t test model and f test. The results of this study indicate that simultaneously the trading days have a significant effect on virtual currency return. Partially, trading day variables of Tuesday, Thursday, and Friday have a positive and significant effect on virtual currency return

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