Hyunjin Cha
Biographic Data
| ID | 8988143 |
|---|---|
| NAME | Hyunjin Cha |
| GIVEN NAMES | Hyunjin |
| FAMILY NAME | Cha |
| SIGNATURE | CHA H |
| AFFILIATIONS | Korea University |
| ORCID | 0000-0001-6044-949X |
| VERIFIED | Yes |
| TOTAL WORKS | 4 |
| TOTAL CITATIONS | 1 |
| WORKS AS AUTHOR | 4 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2019 |
| LATEST PUBLICATION YEAR | 2025 |
| H-INDEX | 1 |
Design and usability evaluation of a chatbot tutor for older adult learners to promote lifelong learning
The purpose of this study is to design and develop a chatbot to promote lifelong learning for older adult learners using a user-centered design approach. To identify the implications of the possibilities and considerations for creating a lifelong tutoring chatbot tailored for older adult learners, a prototype named Dr. SMART was implemented. This prototype provides learner-customized services by modeling their preferences, including preferred top…
What Makes Swing Voters Participate in Protests? The Effects of Voting Patterns and Election Cycles on Participation in Candlelight Protests in South Korea
This paper aims to analyze how the traits of candlelight protest participants have changed from 2004 to 2017 in South Korea. While previous studies have typically identified these traits of the candlelight protesters based on a single survey, this paper examines the change of protest participants using a multi-level analysis. This study argues that voter type and election cycles have a significant impact on an individual's decision to participate…
Incremental validity of narrative identity in predicting psychological well-being
The goal of the present study was to replicate and extend previous research that demonstrated the incremental validity of narrative identity in predicting psychological well-being among Korean adults. We recruited 147 Korean adults living in South Korea who completed a battery of questionnaires that assessed the Big Five traits, extrinsic value orientation, self-concept clarity, and psychological well-being. Participants then wrote a story about …
Digital equity and accessible Moocs
Despite the popular claim that massive open online courses (MOOCs) can democratise educational opportunities, this study suggests that current MOOC platforms are not designed to be accessible and inclusive for learners with disabilities. Our main goals in this study were to identify the needs and barriers that learners with visual impairments face when learning with mobile devices in MOOCs and to make recommendations for designing MOOCs that are …
Incremental validity of narrative identity in predicting psychological well-being
The goal of the present study was to replicate and extend previous research that demonstrated the incremental validity of narrative identity in predicting psychological well-being among Korean adults. We recruited 147 Korean adults living in South Korea who completed a battery of questionnaires that assessed the Big Five traits, extrinsic value orientation, self-concept clarity, and psychological well-being. Participants then wrote a story about …
Digital equity and accessible Moocs
Despite the popular claim that massive open online courses (MOOCs) can democratise educational opportunities, this study suggests that current MOOC platforms are not designed to be accessible and inclusive for learners with disabilities. Our main goals in this study were to identify the needs and barriers that learners with visual impairments face when learning with mobile devices in MOOCs and to make recommendations for designing MOOCs that are …
Incremental validity of narrative identity in predicting psychological well-being
The goal of the present study was to replicate and extend previous research that demonstrated the incremental validity of narrative identity in predicting psychological well-being among Korean adults. We recruited 147 Korean adults living in South Korea who completed a battery of questionnaires that assessed the Big Five traits, extrinsic value orientation, self-concept clarity, and psychological well-being. Participants then wrote a story about …
What Makes Swing Voters Participate in Protests? The Effects of Voting Patterns and Election Cycles on Participation in Candlelight Protests in South Korea
This paper aims to analyze how the traits of candlelight protest participants have changed from 2004 to 2017 in South Korea. While previous studies have typically identified these traits of the candlelight protesters based on a single survey, this paper examines the change of protest participants using a multi-level analysis. This study argues that voter type and election cycles have a significant impact on an individual's decision to participate…
Design and usability evaluation of a chatbot tutor for older adult learners to promote lifelong learning
The purpose of this study is to design and develop a chatbot to promote lifelong learning for older adult learners using a user-centered design approach. To identify the implications of the possibilities and considerations for creating a lifelong tutoring chatbot tailored for older adult learners, a prototype named Dr. SMART was implemented. This prototype provides learner-customized services by modeling their preferences, including preferred top…
Computer Science (2 works) · Usability (2 works) · Agreeableness (1 work) · AI in Service Interactions (1 work) · Andragogy (1 work) · Big Five personality traits (1 work) · Chatbot (1 work) · CLARITY (1 work) · Collectivism (1 work) · Conscientiousness (1 work)