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Journal : Journal of Embedded Systems, Security and Intelligent Systems

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The Effect of K-NN Algorithm Practice Chatbot Tutors on the Speed and Accuracy of Solving AI Problems in Vocational Schools Andi Asfar; Andi Winda Purnamasari; Angriani Nur; Aprilia; Arnis; Ashabul Kahfi
Journal of Embedded Systems, Security and Intelligent Systems Vol 6, No 1 (2025): March 2025
Publisher : Program Studi Teknik Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59562/wrd2bn63

Abstract

Learning Artificial Intelligence (AI) concepts at the vocational high school level often presents challenges, particularly in understanding procedural algorithms such as K-Nearest Neighbor (K-NN). Students frequently experience difficulties in calculating distances, selecting the optimal value of k, and determining classification results accurately and efficiently. This study investigates the effect of a chatbot tutor designed for K-NN practice on students’ speed and accuracy in solving AI problems. A quasi-experimental design with a pretest–posttest control group model was employed. Sixty students from a vocational high school majoring in Software Engineering were divided into an experimental group receiving chatbot-assisted practice and a control group receiving conventional instruction. Data were collected through validated K-NN problem-solving tests and task completion time measurements. Statistical analysis using paired and independent sample t-tests revealed that the experimental group demonstrated significantly faster completion times and higher accuracy scores compared to the control group (p < 0.05). The effect size indicated a moderate to high practical impact. The findings suggest that chatbot-based tutoring can enhance both efficiency and precision in learning K-NN algorithms. This study contributes empirical evidence supporting the integration of chatbot tutors into Artificial Intelligence instruction in vocational education to improve problem-solving performance.
Co-Authors Adira, Alin Hafizhah Afni, Nur' Agus Slamet Al Imran Amalia, Intan Rahma Andi Asfar Andi Winda Purnamasari Angriani Nur Annisa Mutiara Pertiwi Arifzan Razak Aris Catur Bintoro Arlita Gladys Tricia Charyadie Arnis Arya Brahmanta Ashabul Kahfi Asniar, Wd. Devi Asrin Asyruni Multahada Aulia, Mahda Ridhotul Auti, Asmin Awal Nur Kholifatur Rosyidah Ayu Lestari Azhar Bambang Sucahyo Chiquita Dewi Nada Nisrina Christian, Elvin Damaiyanti, Siska Debby Rosalina Dewi Nugraheni Restu Mastuti Diana Soesilo Dwi Andriani, Dwi Dwi Gita Nathalia Dwi Hariyanto Dwi Setianingtyas Elana Deswita EndangKustiowati Ernia Missa, Eka Fachry Abda El Rahman Fadly Umar Fajar Pitaloka Fatin Kusuma Anggraini Febriliyanti, Imelia Hariningtyas Dian Rachmawati Henu Sumekar Herlina Suryawati Hermawan, Agung Irmawati Izzati, Wisnatul Jaya Maulana Jimmy Eko Budi Hartono Juliansyah, Muhamad Ednis Kartika Sari Kholilullah, Muhammad Kirana Aridhani Wahidah Kristanti Parisihni La Djawa, Awal Rahmad La Sunardin Ld. Muh. Ilham Lungit Kusuma Ningrum M.I. Widiastuti M.Sabiqul Huda Medriono Morsal Lamo Misbahudin Moh. Basroni Rizal MOHAMAD DJASULI Mulyanie, Erni Mursyidah, Azizah Mustari S. Lamada Nafiah Navisa, Dita khafka Ni Luh Fidriana Nora Lelyana Rahayu Ramadhan, Taufieq Zannata Rheni Anggraini Sairun, Mujiono Samrina, Titin Saptaswari, Dianty Sauri, Muhammad Sopian Seni, Muhamad Shabila, Miranda Shintya Rizki Ayu Agitha Shofura Afifah Sri Suciati Subur Ismail Suharni Montjai Sularsih Suriani Susilo Jahja, Adi Teguh Irawan Trihantana, Rully Twi Agnita Cevanti Vivin Vivin Ariestania Wahyu Tri Widiastuti Widiyanti , Indri WIDYASTUTI Wulan Furrie Yufita Fitriani ‘Amali, M Shodiqul