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HUBUNGAN ANTARA KREATIVITAS DENGAN HASIL BELAJAR KOGNITIF SISWA KELAS X IPA BASIC SMA ABC PADA PEMBELAJARAN MATEMATIKA [ON THE RELATIONSHIP BETWEEN CREATIVITY AND COGNITIVE LEARNING OUTCOMES OF GRADE 10 BASIC SCIENCE HIGH SCHOOL STUDENTS IN MATHEMATICS LEARNING] Banjarnahor, Evander; Winardi, Yonathan; Dirgantoro, Kurnia Putri Sepdikasari
JOHME: Journal of Holistic Mathematics Education Vol 2, No 1 (2018): DECEMBER
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/johme.v2i1.1268

Creativity is a very important aspect of learning, including learning mathematics, because creativity helps students in problem solving. This article is an associative quantitative correlational research to determine the relationship between creativity and cognitive learning outcomes of students in grade 10 (basic science track) at a high school in Tangerang. Data collection techniques were carried out by questionnaires and tests. The questionnaire obtained data on the students' creativity and the tests gathered data on the students' cognitive learning outcomes. The results of the study showed that the creativity of the students were categorized as (1) high (14.29%) , (2) quite high at 55.10%, (3) fair (26.53%) and (4) low (4.08 %). For the cognitive learning outcomes, students were categorized as (1) high (44.90%), (2) quite high (28.57%), (3) average (22.45%) and (4) low (4.08%). This study shows that there is a positive and significant association (r = 0.372, p = 0.004) between creativity and cognitive learning outcomes of these grade 10 students presented by the regression equation Y = 9.908 + 0.638 X.BAHASA INDONESIA ABSTRACT: Kreativitas merupakan salah satu aspek yang sangat penting dalam pembelajaran, termasuk dalam pembelajaran matematika, karena kreativitas membantu siswa dalam pemecahan masalah. Artikel ini merupakan suatu penelitian kuantitatif asosiatif korelasional untuk mengetahui ada tidaknya hubungan antara kreativitas dengan hasil belajar kognitif siswa kelas X IPA Basic SMA ABC Tangerang. Teknik pengumpulan data dilakukan dengan angket dan tes. Angket digunakan untuk memperoleh data mengenai kreativitas siswa dan tes untuk memperoleh data mengenai hasil belajar kognitif siswa. Hasil penelitian ini menunjukkan bahwa kreatifitas siswa kelas X IPA Basic SMA ABC Tangerang dapat dikategorikan sebagai (1) tinggi (14,29%), (2) cukup tinggi (55,10%), (3) rata-rata (26,53%) dan (4) rendah (4,08%). Sedangkan hasil belajar kognitif siswa kelas X IPA Basic SMA ABC Tangerang dapat dikategorikan sebagai (1) tinggi (44,90%), cukup tinggi (28,57%), rata-rata (22,45%) (4) rendah (4,08%). Penelitian ini menunjukkan bahwa terdapat asosiasi positif dan signifikan ( r = 0.372, p = 0.004) antara kreativitas dengan hasil belajar kognitif siswa kelas X IPA Basic SMA ABC, yang dinyatakan dengan persamaan regresi.

IMPLEMENTASI MIROKREDENSIAL DI INDONESIA: MENGUKUR PENERIMAAN TEKNOLOGI MAHASISWA [THE IMPLEMENTATION OF MICROCREDENTIALS IN INDONESIA: MEASURING STUDENTS’ TECHNOLOGY ACCEPTANCE] Stefany, Stella; Purba, Herman; Suhendro, Anita; Banjarnahor, Evander
Polyglot Vol 19, No 1 (2023): JANUARY
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/pji.v1i19.6078

AbstractThis study aimed to analyse the main four major components of the Technology Acceptance Model (TAM) in study participants (N = 275). Study participants are students who enrolled in the full online Micro-Credential Developer Program and participated intensively in both synchronous and asynchronous learning activities. Result indicates that perceived ease of use was not directly correlated with participants' behavioural intent to use. It is predicted that the LMS used did not match the course’s characteristics, there still is much room for improvement in the learning design, and the pre-training of students before the program is implemented needs to be significantly improved. The study also presents a comparison of findings on student acceptance of technology in micro-credential programs conducted in various other countries. Bahasa Indonesia Abstrak Penelitian ini menganalisa 4 elemen utama dalam Technology Acceptance Model (TAM) pada sampel mahasiswa (N-275) yang mengikuti Program Mikro Kredensial Game Developer secara intensif dengan moda pembelajaran full daring secara sinkronus maupun asinkronus. Hasil penelitian menunjukkan Perceived Ease of Use tidak memberikan pengaruh langsung terhadap Behavioural Intention to Use dari responden. Hal ini diduga karena kurangnya tepatnya pemilihan LMS yang digunakan, rancangan pembelajaran yang masih harus ditingkatkan serta kurangnya pelatihan yang diberikan oleh penyelenggara kepada responden sebelum Program ini berlangsung. Penelitian ini juga menyajikan perbandingan hasil kajian penerimaan teknologi mahasiswa dalam program mikro kredensial yang dilakukan di berbagai negara lain.

Analisis Average Waiting Time Penjadwalan CPU Menggunakan Algoritma Shortest Remaining First dan Algoritma Round Robin Belferik, Ronald; Banjarnahor, Evander
JDMIS: Journal of Data Mining and Information Systems Vol. 3 No. 1 (2025): February 2025
Publisher : Yayasan Pendidikan Penelitian Pengabdian Algero

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54259/jdmis.v3i1.4076

In operating systems, process scheduling is a critical aspect to determine the order of process execution by the CPU. This research compares the average waiting time (AWT) of Shortest Remaining First (SRF) algorithm and Round Robin (RR) algorithm where the problem to be solved is CPU scheduling. The purpose of this research is to get an algorithm that has a short average waiting time. The test results obtained that the SRF algorithm has a very short average waiting time with a value of 29.85 ms compared to the RR algorithm which gets an AWT result of 65.6 ms.

ANALISIS IMPLEMENTASI SUPPORT VECTOR MACHINE DAN RANDOM FOREST UNTUK PREDIKSI KATEGORI INDEKS KUALITAS UDARA JAKARTA Banjarnahor, Evander; Belferik, Ronald; Cendana, Wiputra; Abraham, Yohanes Adi Saputra
Jurnal INSTEK (Informatika Sains dan Teknologi) Vol 10 No 1 (2025): APRIL
Publisher : Department of Informatics Engineering, Faculty of Science and Technology, Universitas Islam Negeri Alauddin, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/instek.v10i1.56477

Kualitas udara yang buruk di Jakarta berdampak signifikan terhadap kesehatan masyarakat dan lingkungan. Oleh karena itu, diperlukan metode prediksi untuk membantu pengambilan kebijakan mitigasi polusi udara. Penelitian ini memprediksi kategori indeks kualitas udara dengan metode Support Vector Machine (SVM) dan Random Forest menggunakan data polutan (PM10, PM2.5, SO₂, CO, O₃, NO₂) dari Kaggle tahun 2021, meliputi PM10, PM2.5, SO2, CO, O3, dan NO2. Analisis korelasi menunjukkan bahwa PM10 dan PM2.5 memiliki hubungan yang sangat kuat (r = 0.96), menandakan keterkaitan erat dalam menentukan tingkat polusi udara. SVM dan Random Forest disimulasikan dengan berbagai rasio pembagian data latih dan uji (10:90, 15:85, 20:80, 25:75, dan 30:70), serta menggunakan stratified k-fold cross-validation untuk meningkatkan validitas hasil dan mengurangi potensi overfitting. Hasil evaluasi menunjukkan bahwa kedua model memberikan performa yang sangat baik dengan akurasi lebih dari 97% pada seluruh skenario pembagian data. Random Forest mencapai akurasi maksimum 100% pada rasio 15:85, sementara SVM mencatatkan akurasi tertinggi 98,9% pada rasio 25:75. Hasil cross-validation menunjukkan bahwa Random Forest mencapai akurasi 100% pada simulasi menggunakan 5-folds, dengan nilai presisi, recall, dan F1-score yang juga 100%. Di sisi lain SVM menunjukkan akurasi sedikit lebih rendah yaitu 97,30% namun lebih konsisten dengan standar deviasi 2,50%.

HUBUNGAN ANTARA KREATIVITAS DENGAN HASIL BELAJAR KOGNITIF SISWA KELAS X IPA BASIC SMA ABC PADA PEMBELAJARAN MATEMATIKA [ON THE RELATIONSHIP BETWEEN CREATIVITY AND COGNITIVE LEARNING OUTCOMES OF GRADE 10 BASIC SCIENCE HIGH SCHOOL STUDENTS IN MATHEMATICS LEARNING] Banjarnahor, Evander; Winardi, Yonathan; Dirgantoro, Kurnia Putri Sepdikasari
JOHME: Journal of Holistic Mathematics Education Vol. 2 No. 1 (2018): DECEMBER
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/johme.v2i1.1268

Creativity is a very important aspect of learning, including learning mathematics, because creativity helps students in problem solving. This article is an associative quantitative correlational research to determine the relationship between creativity and cognitive learning outcomes of students in grade 10 (basic science track) at a high school in Tangerang. Data collection techniques were carried out by questionnaires and tests. The questionnaire obtained data on the students' creativity and the tests gathered data on the students' cognitive learning outcomes. The results of the study showed that the creativity of the students were categorized as (1) high (14.29%) , (2) quite high at 55.10%, (3) fair (26.53%) and (4) low (4.08 %). For the cognitive learning outcomes, students were categorized as (1) high (44.90%), (2) quite high (28.57%), (3) average (22.45%) and (4) low (4.08%). This study shows that there is a positive and significant association (r = 0.372, p = 0.004) between creativity and cognitive learning outcomes of these grade 10 students presented by the regression equation Y = 9.908 + 0.638 X.BAHASA INDONESIA ABSTRACT: Kreativitas merupakan salah satu aspek yang sangat penting dalam pembelajaran, termasuk dalam pembelajaran matematika, karena kreativitas membantu siswa dalam pemecahan masalah. Artikel ini merupakan suatu penelitian kuantitatif asosiatif korelasional untuk mengetahui ada tidaknya hubungan antara kreativitas dengan hasil belajar kognitif siswa kelas X IPA Basic SMA ABC Tangerang. Teknik pengumpulan data dilakukan dengan angket dan tes. Angket digunakan untuk memperoleh data mengenai kreativitas siswa dan tes untuk memperoleh data mengenai hasil belajar kognitif siswa. Hasil penelitian ini menunjukkan bahwa kreatifitas siswa kelas X IPA Basic SMA ABC Tangerang dapat dikategorikan sebagai (1) tinggi (14,29%), (2) cukup tinggi (55,10%), (3) rata-rata (26,53%) dan (4) rendah (4,08%). Sedangkan hasil belajar kognitif siswa kelas X IPA Basic SMA ABC Tangerang dapat dikategorikan sebagai (1) tinggi (44,90%), cukup tinggi (28,57%), rata-rata (22,45%) (4) rendah (4,08%). Penelitian ini menunjukkan bahwa terdapat asosiasi positif dan signifikan ( r = 0.372, p = 0.004) antara kreativitas dengan hasil belajar kognitif siswa kelas X IPA Basic SMA ABC, yang dinyatakan dengan persamaan regresi.

IMPLEMENTASI MIROKREDENSIAL DI INDONESIA: MENGUKUR PENERIMAAN TEKNOLOGI MAHASISWA [THE IMPLEMENTATION OF MICROCREDENTIALS IN INDONESIA: MEASURING STUDENTS’ TECHNOLOGY ACCEPTANCE] Stefany, Stella; Purba, Herman; Suhendro, Anita; Banjarnahor, Evander
Polyglot Vol 19 No 1 (2023): JANUARY
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/pji.v1i19.6078

AbstractThis study aimed to analyse the main four major components of the Technology Acceptance Model (TAM) in study participants (N = 275). Study participants are students who enrolled in the full online Micro-Credential Developer Program and participated intensively in both synchronous and asynchronous learning activities. Result indicates that perceived ease of use was not directly correlated with participants' behavioural intent to use. It is predicted that the LMS used did not match the course’s characteristics, there still is much room for improvement in the learning design, and the pre-training of students before the program is implemented needs to be significantly improved. The study also presents a comparison of findings on student acceptance of technology in micro-credential programs conducted in various other countries. Bahasa Indonesia Abstrak Penelitian ini menganalisa 4 elemen utama dalam Technology Acceptance Model (TAM) pada sampel mahasiswa (N-275) yang mengikuti Program Mikro Kredensial Game Developer secara intensif dengan moda pembelajaran full daring secara sinkronus maupun asinkronus. Hasil penelitian menunjukkan Perceived Ease of Use tidak memberikan pengaruh langsung terhadap Behavioural Intention to Use dari responden. Hal ini diduga karena kurangnya tepatnya pemilihan LMS yang digunakan, rancangan pembelajaran yang masih harus ditingkatkan serta kurangnya pelatihan yang diberikan oleh penyelenggara kepada responden sebelum Program ini berlangsung. Penelitian ini juga menyajikan perbandingan hasil kajian penerimaan teknologi mahasiswa dalam program mikro kredensial yang dilakukan di berbagai negara lain.

Klasifikasi Rentang Gaji Lowongan Pekerjaan di Glints Wilayah Jabodetabek Menggunakan Regresi Logistik dan Random Forest Berbasis Web Scraping Banjarnahor, Evander; Setiawan, Theodore Miracle; Charlest, Wellson Antonio; Belferik, Ronald
TIN: Terapan Informatika Nusantara Vol 6 No 8 (2026): January 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/tin.v6i8.9193

Digital transformation has reshaped the labor market, with online platforms such as Glints serving as large-scale data repositories that connect job seekers with employers. In the Greater Jakarta (Jabodetabek) region, salary information is a critical factor in career decision-making; however, salary-related information asymmetry remains a major challenge. This study begins with a descriptive analysis of 1,497 job vacancies collected through web scraping techniques to examine salary distributions across locations and employment statuses. The salaries were classified into three categories: low salary (≤ IDR 5 million), medium salary (IDR 5–10 million), and high salary (≥ IDR 10 million). The results indicate that the majority of job vacancies fall into the low-salary category (77.09%), followed by the medium-salary category (21.37%), while high-salary positions constitute only 1.54% of the total dataset. Subsequently, this study aims to develop salary category classification models by comparing two machine learning methods: Logistic Regression and Random Forest. Model performance was evaluated using accuracy, precision, recall, and F1-score under multiple training–testing split scenarios. The experimental results demonstrate that Random Forest consistently outperforms Logistic Regression, achieving a highest accuracy of 98.00%, compared to approximately 79% for Logistic Regression. These findings suggest that the relationship between job characteristics and salary categories is complex and non-linear, making it more effectively captured by ensemble-based, non-linear algorithms such as Random Forest. This study contributes to improving salary transparency and supports the development of more accurate and data-driven salary prediction systems.

The Effectiveness of Sixth Grade Math in Focus Curriculum for Indonesian Christian Schools Students Tia Aulia Putri Sadeva; Sylvia Primulawati; Robert Harry Soesanto; Evander Banjarnahor
Didaktika: Jurnal Kependidikan Vol. 14 No. 2 Mei (2025): Didaktika Jurnal Kependidikan
Publisher : South Sulawesi Education Development (SSED)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58230/27454312.2025

Math In Focus as a curriculum program is based on the Singaporean mathematics framework. However, it has been adjusted for U.S. classrooms by Great Source & Hougton Mifflin Harcourt publisher. This curriculum program was also used by a Christian school in Jakarta, Indonesia that has predominantly Indonesian students whose mother tongue was Indonesian language. Thus, the purpose of this study is to evaluate the effectiveness of Math In Focus curriculum program that was used in a Christian school in Jakarta, Indonesia, particularly in Grade VI. This research used a case study research methodology. The techniques of data collection used were questionnaire, interview, and observation. The results showed that the accuracy of the target was highly effective (81.5%), the aims of the program was also highly effective (82.5%), the socialization of the program was effective (71.5%), and the supervision of the program was also effective enough (70.5%). It can be concluded that Math In Focus curriculum program was effective enough (76.5%) for Indonesian Christian students in sixth grade although English is not their mother tongue. The other findings in this research were the supported and inhibited factors of the effectiveness.

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