Accès ouvert
2026
review
OpenAlex
Chang-Nam Kang, Hee Jung Son, Sung Cheol Park, Won Rak Choi
Osteoporosis has emerged as a major challenge in spine surgery amid the rapid aging of the global population. Diminished bone quality significantly heightens the risk of postoperative mechanical complications following spinal instrumentation, including screw loosening, proximal junctional kyphosis and failure, cage subsidence, …
kr
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Accès ouvert
2026
article
OpenAlex
Sung Cheol Park, Yongjung Kim, Sang Soo Eun, Hee Jung Son
Background/Objectives: Accurate estimation of intraoperative blood loss in endoscopic spine surgery remains challenging because of continuous saline irrigation and blood infiltration into surrounding soft tissues and potential dead spaces. Hidden blood loss (HBL), resulting from extravasation into tissue compartments or hemolysis, may …
kr
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Accès ouvert
2025
article
OpenAlex
M J Cho, Nara Been, Hee Jung Son
Abstract Background Major variants of SARS-CoV-2 have significantly altered transmissibility and infection characteristics, posing substantial challenges to public health. In particular, structural changes in the receptor-binding domain (RBD) of the spike protein influence its binding affinity to the human ACE2 receptor. This …
kr
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Accès ouvert
2025
article
OpenAlex
Hee-Joo Im, Hee Jung Son
This case study examines the current state of the undeclared major system at University D. It investigates first-year students' experiences with the system, their major selection motivation, and their perceptions and attitudes regarding adjustment to university life.A survey was conducted with 50 …
kr
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2025
article
OpenAlex
Hee Jung Son, Hee-Joo Im
The purpose of this paper is to investigate the effects of students’ peer feedback in collaborative English writing of general English classes. For this reason, online pre-and post-surveys were conducted on 33 students enrolled in D University in Chuncheongnam-do. The study results …
2025
article
OpenAlex
Hee Jung Son, Se‐Jun Park, Jin-Sung Park, Kyungdo Han
kr
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2025
article
OpenAlex
Hee Jung Son
This study examined the effects of feedback types on learners’ affective factors and English proficiency in process-oriented writing in general English college classes. Seventy-six first-year students from D University in Chungnam completed pre- and post-English achievement tests and surveys. During three process-oriented …
2025
article
OpenAlex
Tae Hoon Lee, Sang Hoon Seo, Hyunju Shin, Hee Jung Son et autres
kr
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2025
article
OpenAlex
Heejoo Im, Hee Jung Son
The purpose of this study is to investigate the effects of students’ collaborative English writing on writing anxiety. To this end, online surveys and English achievement tests were conducted on 120 students enrolled in D University in Chuncheongnam-do. The study’s results showed …
Accès ouvert
2024
article
OpenAlex
Noorie Kang, Sangmi Kim, Sung Noh Hong, Hyung‐Doo Park et autres
kr
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Accès ouvert
2024
article
OpenAlex
Hee Jung Son
This study investigated the potential educational application and effectiveness of an AI chatbot as a learning tool in general English classes at universities.To achieve this, 97 college students used an AI chatbot to perform group presentation projects and individual tasks and kept …
kr
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Accès ouvert
2024
article
OpenAlex
Hee Jung Son, Heejoo Im
The purpose of this study is to examine the influence of AI apps on learners' affective attitudes in problem-based learning (PBL) cooperative classes and to investigate students' learning experiences in PBL activities.For this purpose, an online survey was conducted with 71 first-year …
kr
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