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EXPLORING TRUST IN TSUNAMI EVACUATION DECISION: AN INITIAL STUDY Arini, Hilya Mudrika
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 11, No 2 (2019): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

This initial study explores the importance of trust in Aceh tsunami evacuation. Drawing upon the cultural theory as theoretical basis, this research classifies people in Aceh based on their trust level and identifies the significant factors influencing them to trust to different sources during tsunami. To accomplish the goals, an offline survey to 62 respondents in Aceh who experienced tsunami was conducted. From this survey, it found that most of respondents tend to be more trust to their self (individualist) and family/neighbor (egalitarian) than trust to government (hierarchy) and religious leader (traditional). On the other hand, (1) self-efficacy, (2) evacuation knowledge and (3) trust level to non-government people are indicated as the significant factors influencing people to trust in different sources during tsunami evacuation. This initial result will be benefit to develop a predictive model of trust using Agent-based model and simulation (ABMS) for the further research.

EXPLORING TRUST IN TSUNAMI EVACUATION DECISION: AN INITIAL STUDY Hilya Mudrika Arini
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 11, No 2 (2019): November
Publisher : Institut Teknologi Dirgantara Adisutjipto

This initial study explores the importance of trust in Aceh tsunami evacuation. Drawing upon the cultural theory as theoretical basis, this research classifies people in Aceh based on their trust level and identifies the significant factors influencing them to trust to different sources during tsunami. To accomplish the goals, an offline survey to 62 respondents in Aceh who experienced tsunami was conducted. From this survey, it found that most of respondents tend to be more trust to their self (individualist) and family/neighbor (egalitarian) than trust to government (hierarchy) and religious leader (traditional). On the other hand, (1) self-efficacy, (2) evacuation knowledge and (3) trust level to non-government people are indicated as the significant factors influencing people to trust in different sources during tsunami evacuation. This initial result will be benefit to develop a predictive model of trust using Agent-based model and simulation (ABMS) for the further research.

Developing a Group Model Building Causal Loop Diagram to Understand Millennial Generation Trust in Twitter as Early Warning System for Natural Disaster Hilya Mudrika Arini; Nurul Lathifah; Fina Ananda
Jurnal Teknik Industri Vol. 23 No. 1 (2021): June 2021
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jti.23.1.35-46

Nowadays, Twitter is used as an Early Warning System (EWS) for disasters because of the speed and many users. Based on Asosiasi Penyedia Jasa Internet Indonesia (APJII) data, in 2017, almost 50% of internet users in Indonesia are born in 1983-1998. They are called the millennial generation. Therefore, this study aims to explore the trust of millennials towards Twitter as an EWS. This study utilizes the conceptual model from System Dynamics named Causal Loop Diagram (CLD) to identify the factors and the causal relationship among millennials' factors to trust Twitter as an EWS. It involves ten participants from the millennial generation, consisting of five passive Twitter users and five active Twitter users. A semi-structured interview was conducted with all participants to build the initial CLD gathered from each participant's perspective. Afterward, the initial CLD was verified by all participants through Focus Group Discussion. A group model building CLD that represents the influencing factors and their causal relationship of millennial generation trust in Twitter as EWS for a natural disaster is successfully developed from this study. The tweet frequency, the number of followers, the account credibility, the verified account, the level of trust in social media, and the content quality are considered the underlying factors of active and passive users to trust in Twitter as an EWS natural disaster.

Analisis perubahan sistem kualitas udara Kota Yogyakarta pada masa pandemi COVID-19 Himawan Novianto; Muhammad Mufti Azis; Hilya Mudrika Arini
Jurnal Rekayasa Proses Vol 16, No 2 (2022)
Publisher : Departemen Teknik Kimia Fakultas Teknik Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.71888

Beberapa penelitian membahas penurunan konsentrasi polutan udara selama masa pandemi COVID-19, namun belum banyak penelitian yang membahas kaitan antara variabel kualitas udara dan tingkat mobilitas masyarakat. Penelitian ini menyelidiki keterkaitan hubungan antara variabel polutan udara, faktor meteorologi, dan tingkat mobilitas masyarakat di Kota Yogyakarta. Fenomena hubungan sistem kualitas udara dan mobilitas masa pandemi COVID-19 tahun 2020 terbagi dalam dua periode: (a) Pembatasan Aktivitas (April s.d. Juli 2020) dan (b) Normal Baru (Agustus s.d. Desember 2020). Kualitas udara Kota Yogyakarta sebelum dan pada masa pandemi COVID-19 menunjukkan perbaikan, dari kategori Baik: 31,85% menjadi 90,37% ISPU (chi-square asymp. sig. < 0,05). Polutan udara PM10, SO2, dan CO menurun sebesar 18%, 93%, dan 74%, sedangkan O3 meningkat sebesar 104% pada masa pandemi COVID-19 tahun 2020. Polutan udara primer PM10, SO2, dan CO berhubungan positif terhadap faktor meteorologi penyinaran matahari, tetapi berhubungan negatif terhadap polutan udara sekunder O3 serta faktor meteorologi suhu udara, kelembaban udara, curah hujan, dan kecepatan angin. Pembatasan aktivitas masyarakat di luar rumah secara umum menyebabkan perbaikan kualitas udara, di mana penurunan mobilitas transportasi menjadi variabel yang mempengaruhi penurunan polutan udara primer di Kota Yogyakarta. Pembatasan aktivitas mempengaruhi polutan udara sekunder, di mana kenaikan O3 terjadi ketika mobilitas dalam ruangan dan transportasi meningkat.

Analisis perubahan sistem kualitas udara Kota Yogyakarta pada masa pandemi COVID-19 Himawan Novianto; Muhammad Mufti Azis; Hilya Mudrika Arini
Jurnal Rekayasa Proses Vol 16, No 2 (2022)
Publisher : Departemen Teknik Kimia Fakultas Teknik Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.71888

Beberapa penelitian membahas penurunan konsentrasi polutan udara selama masa pandemi COVID-19, namun belum banyak penelitian yang membahas kaitan antara variabel kualitas udara dan tingkat mobilitas masyarakat. Penelitian ini menyelidiki keterkaitan hubungan antara variabel polutan udara, faktor meteorologi, dan tingkat mobilitas masyarakat di Kota Yogyakarta. Fenomena hubungan sistem kualitas udara dan mobilitas masa pandemi COVID-19 tahun 2020 terbagi dalam dua periode: (a) Pembatasan Aktivitas (April s.d. Juli 2020) dan (b) Normal Baru (Agustus s.d. Desember 2020). Kualitas udara Kota Yogyakarta sebelum dan pada masa pandemi COVID-19 menunjukkan perbaikan, dari kategori Baik: 31,85% menjadi 90,37% ISPU (chi-square asymp. sig. < 0,05). Polutan udara PM10, SO2, dan CO menurun sebesar 18%, 93%, dan 74%, sedangkan O3 meningkat sebesar 104% pada masa pandemi COVID-19 tahun 2020. Polutan udara primer PM10, SO2, dan CO berhubungan positif terhadap faktor meteorologi penyinaran matahari, tetapi berhubungan negatif terhadap polutan udara sekunder O3 serta faktor meteorologi suhu udara, kelembaban udara, curah hujan, dan kecepatan angin. Pembatasan aktivitas masyarakat di luar rumah secara umum menyebabkan perbaikan kualitas udara, di mana penurunan mobilitas transportasi menjadi variabel yang mempengaruhi penurunan polutan udara primer di Kota Yogyakarta. Pembatasan aktivitas mempengaruhi polutan udara sekunder, di mana kenaikan O3 terjadi ketika mobilitas dalam ruangan dan transportasi meningkat.

The Effect of Gain-Loss Framing Information on Risk Attitude during Coronavirus Disease (COVID-19) Pandemic Muhamad Adhitya Nugroho; Rini Dharmastiti; Hilya Mudrika Arini
Proceeding of International Conference on Science, Health, And Technology 2021: Proceeding of the 2nd International Conference Health, Science And Technology (ICOHETECH)
Publisher : LPPM Universitas Duta Bangsa Surakarta

This study aims to identify risk attitude and analyze its changes by presenting information related to COVID-19 pandemic with gain-loss framing. 152 respondents aged 18-23 years, with the status of active undergraduate students or fresh graduates, and stayed in Special Region of Yogyakarta Province, Indonesia, participated in this study. RiBy using lottery choice questionnaire to measure risk attitude in initial condition, it is found that 47% of respondents tend to be risk averse, which is being uncomfortable with risk. 28 selected respondents join the gain-loss framing experiments that present series of video news related to COVID-19 pandemic with predetermined tone (gain or loss). Hypothetical gamble survey based on video news are used to measure risk attitude after the experiment. It is known that gain framing information affects someone to be risk averse, while loss framing information makes someone to be risk seeking or feeling comfortable to any risk in decision making. Media coverage are recommended to use gain framing information to control human behavior and support government's policy in complying health protocols and stay at home during COVID-19 pandemic.

People’s Trust in a Virtual Project Team: Results of a Game Experiment Vera Setyanitami; Hilya Mudrika Arini; Nurul Lathifah
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 25 No. 1 (2023): June 2023
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jti.25.1.65-78

This study aims to: (1) find out the variables that influence people’s trust in the virtual team in a project, (2) find out the relationship of these variables with people trust in the virtual team in a project, and (3) the relationship between the presence of experienced members on a virtual team in leading an organization to determine the success of a project. The experiment was conducted using online Werewolf game and collected questionnaires from 30 respondents that divided into 3 groups, i.e., (1) having experience of being leaders, (2) a combination of having and having no experience of being leaders, and (3) having no experience of being leaders. A correlation test and a comparative test were used to analyze the result. The results found four variables that could influence people’s trust, i.e., (1) ability, (2) benevolence, (3) integrity, and (4) task faithfulness. All variables had a positive effect, except for task faithfulness. There is a relationship between the presence of leaders in a virtual team to the success of the project.

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