J. Lee

Publications218
h-index30
Citations3,588
Highly Influential Citations45
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Technology Acceptance and Social Networking in Distance Learning
TLDR
This study examines the use of integrated communication and engineering design tools in a distributed learning environment. Expand
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Charge pump with perfect current matching characteristics in phase-locked loops
Conventional CMOS charge pump circuits have some current mismatching characteristics. The current mismatch of the charge pump in the PLLs generates a phase offset, which increases spurs in the PLL… Expand
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Optimistic bias about online privacy risks: Testing the moderating effects of perceived controllability and prior experience
TLDR
This study examined the ways in which Internet users construct their risk judgments about online privacy. Expand
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Collaborative Information Seeking in Intercultural Computer-Mediated Communication Groups
TLDR
This article examines the process of collaborative information seeking in intercultural computer-mediated communication (CMC) groups and shows that preexisting social networks, groups, and intergroup boundaries significantly constrained the flow of information across intercultural CMC groups. Expand
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Development of computer-supported collaborative social networks in a distributed learning community
TLDR
A social network perspective is employed to understand how collaborative networks evolved over time when 31 distributed learners collaborated on a design project using computer-mediated communication system during two semesters. Expand
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Psychosocial predictors of participation restriction poststroke in Korea: A path analysis.
OBJECTIVE The present cross-sectional study tested a hypothetical path model consisting of psychosocial factors in relation to activity participation restriction in chronic stroke. Motor and… Expand
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The influence of self-efficacy, subjective norms, and risk perception on behavioral intentions related to the H1N1 flu pandemic: A comparison between Korea and the US
This study examined the extent to which individualism-collectivism moderates the relative effects of agency control beliefs (i.e., self-efficacy), social norms (i.e., subjective norms), and risk… Expand
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Simple and Task-oriented Mirror Therapy for Upper Extremity Function in Stroke Patients: A Pilot Study
Objective/Background To compare the effects of simple and task-oriented mirror therapies on upper extremity function in stroke patients with hemiplegia. Methods A single-subject, reversal (applied… Expand
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A new one-step synthesis method for coating multi-walled carbon nanotubes with cuprous oxide nanoparticles
A new method was developed for the synthesis of Cu2O-coated multi-walled carbon nanotubes (MWCNTs) on the basis of Fehling’s reaction. The method involved dispersion of carbon nanotubes in Fehling’s… Expand
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Giant strain in Nb-doped Bi0.5(Na0.82K0.18)0.5TiO3 lead-free electromechanical ceramics
Abstract The effect of Nb substitution on the crystal structure, ferroelectric, and electric field induced strain properties of Bi 0.5 (Na 82 K 0.18 ) 0.5 TiO 3 (BNKT) ceramics has been investigated.… Expand
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