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Journal : TELKOMNIKA (Telecommunication Computing Electronics and Control)

Usability improvement of public transit application through mental model and user journey Komang Candra Brata; Aryo Pinandito; Nurizal Dwi Priandani; Mahardeka Tri Ananta
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 19, No 2: April 2021
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v19i2.18323

Abstract

Using a mobile application that is featured with local public transit information can greatly improve user action, as well as assisting travelers to have a better experience while taking public transit services. Crowd environment inside a public transit is one of the most frequent causes that lead difficulties to passengers when they engaging their mobile devices to access their apps or in some conditions. Finding crucial information such as stops points and remaining time to interchanges point when switching to another line becomes more difficult in those conditions especially for foreigners who new in a particular region. This study presents the combination of a mental model and a usability approach to construct a user journey map that led to new insights on user's experiences and challenges when utilizing their mobile local transit application. This valuable information is a part of the elicitation process to propose an alternative interaction method to enhance the usability and travel experience of the public transit app. The experimental results indicate that in contrast to the existing mobile transit app, the proposed interface with the utilization of a wearable device could considerably enhance user action when trying to reach the desired location in terms of total time and performance. It implies that the proposed solution, which works through the mental model and user journey is able to intuitively enhance the public transit app usability.
An idea of intuitive mobile diopter calculator for myopia patient Komang Candra Brata; Mukhammad Sharif Hidayatulloh
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 1: February 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i1.11623

Abstract

The diopter is the unit of measurement for the refractive power of a lens. Myopia is a form of refractive error which is a leading cause of visual disability throughout the world. The prevailing treatment of refractive errors which are commonly used in daily life are glasses and contact lenses. Although those methods can overcome myopia, many myopia patients still don’t really know how to measure their current refractive error in diopter. This condition may retard the progression of refractive treatment in the myopic individual. The common methods to measure refractive error are phoropter with Snellen chart and retinoscopy, but those expensive tools need expertise to operate. This paper presents the concept of measure the face to smartphone screen distance to provide the possibility to implement a mobile application as a low-cost alternative refractive measurement tool. The main objective is to investigate the feasibility of mobile application to help patients with myopia measuring their blur line distances and evaluate their diopter levels independently. The experimental results reveal that, with 80.5 usability score the overall functionality of proposed application can be categorized as usable to users and feasible for future implementation.
Co-Authors Abdul Ghoniy Nur Chasana Abdurrahman Diewa Prakarsa Abyan Setia Asa Putra Achmad Arif Kusamiaji Achmad Arwan Achmad Igaz Falatehan Adam Hendra Brata Adam Hendra Brata Ade Armawi Paypas Adena Nioga Admaja Dwi Herlambang Agi Putra Kharisma Agus Purnomo Ruminto Ahmad Afif Supianto Ahmad Afif Supianto Ahmad Afif Supianto Ahmad Wahid Rifa'i Ahmad Wildan Rizaldy Ahmadan Mukhtarif Akbar, Muhammad Aminul Akhmad Rizqi Azhari Albilaga Linggra Pradana Alfin Hidayat Darmawan Alfonsus Avianto Chandrawan Alif Andarta Al Falah Amir Saqib Azhardika Amira Fauzia Rahmah Andri Suranta Ginting Angel Anggina Nasution Annisa Novy Kholiyanti Arka Fadila Yasa Arya Yudha Mahendra Arya Yudha Mahendra Aryo Pinandito Azka Muhammad Hanisa Bayu Reza Gunawan Buce Trias Hanggara Candra , Ersya Nadia Charles Sanggalangi Chavindro Bunga Mardiasto Danang Trisdiana Putra Denny Sagita Rusdianto Deron Liang Dewi, Ratih Kartika Dicky Wahyudi Dinda Hudaifa Djoko Pramono Dwi Yovan Harjananto Eka Iqbal Virgiawan Ekklesioga Kaban Eko Prasetyo Lukman Nur Hakim Erastus Mauliate Erika Ramadhanty Eriq Muh. Adams Jonemaro Fadhil Rizqullah Saniputra Fadhyl Farhan Alghifari Fadhyl Farhan Alghifari Fais Al Huda Faishal Pradipta Astungkoro Faizatul Amalia Fajar Pradana Fara Nur Azizah Fatimah Azzahra Fatkhur Rosyad Fatur Rahnat Ariyan Fatwa Ramdani, Fatwa Felinda Gracia Lubis Ferlie Deanada Effendi Fiqih Yanfirdaus Afandi Fitrantika Diashafira Fitriyah, Hurriyatul Gema Isya Luthfi Prathama Ghifari Galih Ramadhan Ghozi Akbar Wicaksono Ginanjar Wisnu Ifan A. Ginanjar Wisnu Ifan Agusti Giri Nugroho Hafidz Aulia Setijadi Hafiz Maulana Hanifah Muslimah Az-Zahra Hanifah Muslimah Az-Zahra, Hanifah Muslimah Harun Christian Bentro Hendrikus Dimas Samara Herman Tolle Hernawan, Zildan Isrezkinurahman Heru Putra Hilman Hamdani Hilyah Nadhirah Ignatius Daniel Y.T.A. Ginting Ilham Rachmad Zunaidi Ilmam Achmadiarsyi Imam Safi'i Ingke Ryastratika Milenia Efendi Iqbal Setya Nurfimansyah Ishak Robin Simorangkir Ismail Rabbanii Ismiarta Aknuranda Januari Arka Jemal Rashidi Jeriko Hosea Julanto Jimmy Sohaga Dachi Joang Pratama Achmad Jodie Rizky Hidayat Joel Johanes Cirio Joshua Dika Khoirul Abdul Jamil Kusworo, Muhammad Aziz Linda Shintya Sari Lutfi Fanani Lutfi Fanani Lutfi Fanani M Faizal Putra Pradana M. Ali Fauzi M. Isrofil Dwi Khusnanta M. Syafiul Umam Mahardeka Tri Ananta Mahardeka Tri Ananta, Mahardeka Tri Maharoni Hendra Pradikja Meita Putri Aidha Mochamad Ilham Irwinansyah Mohamad Handy Nugraha Mohamad Handy Nugraha Mohammad Haikal Hasnain Mohammad Syaifudin Abdullah Muhamad Nabil Rabani Muhammad Abdul 'Alim Muhammad Abyan Safitra Muhammad Afif Fauzi Muhammad Aminul Akbar Muhammad Avied Bachmid Muhammad Enowato Muhammad Hasan Johan Alfarizi Muhammad Ilham Wibowo Muhammad Jauhari Jawara Perkasa Muhammad Lamkhil Bashor Muhammad Lavy Aunil Malik El Harisy Muhammad Naufal Dzikrullah Muhammad Rafsan Adhizar Muhammad Rizqi Rakha Aulia Muhammad Rizqinovniari Muhammad Salman Ramadhan Muhammad Satya Nugraha Muhammad Zaharuddin Mukhammad Sharif Hidayatulloh Mukhammad Sharif Hidayatulloh Nabila Nabila Nabila Nabila Nabila, Nabila Nike Wirahayu Cahyaningsih Niken Hendrakusma Wardani Noveria Anggraeni Fiaji Novrian, Irhamsyah Reva Nugraha, Irvan Rizki Nurizal Dwi Priandani Nurul Hidayat Nyoman Putra Utama Pangayoman, Wishnuadji Surya Prabowo, Muhammad Bintang Priska Suseta Prita Nur Rizky Faridiani Putra, Ananda Ilyasa Rachmad Soleh Rafiqah Majidah Rahman Rulli Arjiansa Ramadhan, Rigel Vibi Ramadhani Imam Khoiri Randy Indraswara Raras Kirana Amaranggana Rasyid Asis Perdana Ratih Kartika Dewi Reinhard Jonathan Silalahi Retno Indah Rokhmawati Revianda Amrullah Akbar Riekko Rahmat Rahardian Rio Donaroe Munthe Riswan Septriayadi Sianturi Riza Setiawan Robertus Dwi Ari Utomo Robihamanto Robihamanto Rr. Tasia Haniifah Rihadatul Aisy Ryan Sutawijaya Sabil Prihastomo Seputro Sabilatunnajah Sabilatunnajah Safier Yusuf Santi Yunika Sufiana Santi Yunika Sufiana Satrio Hadi Wijoyo Sigit Widodo Stefanus Anugrah Pribadi Surbakti, Osvaldo Rios Junior Swastika Akbar Umardani Syahshiyah Rohidah Tegar Yoga Prabawakusuma Tri Afirianto Tri Afirianto, Tri Utomo, Ibnu Najah Barlian Hadi Wahyu Septiadi Wanda Septia Dewi Lestari Welly Dian Astika Wornandes Michel Sinaga Yudha Akbar Pramana Zhafrant, Rifqi Hilmy Zulvarina, Prima