• Child Health Nursing Research
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• v.16 no.1
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• pp.56-65
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• 2010

Purpose: This study was done to identify factors influencing cell phone addiction in adolescents. Methods: The participants were 548 adolescents in two middle schools and four high schools. Data were collected through self-report questionnaires which were constructed to include a cell phone addiction scale, an impulsiveness scale, media specific factors, and cell phone use. The data were analyzed using the SPSS program. Results: Of the adolescents, 88.7% reported being average users, 8.4%, heavy users, and 2.9%, cell phone addicted. Cell phone addiction was significantly correlated with impulsiveness and media specific factors. Significant factors influencing cell phone addiction were gender, sending and receiving text messages on weekends, monthly call charges, impulsiveness, recreational reasons, and cultural reasons. Conclusion: The above findings indicate that cell phone addiction in adolescents is influenced by gender, text message use, call charges, impulsiveness and media specific factors. Therefore the development of prevention and management programs for cell phone addiction in adolescents should be based on these factors which influence cell phone addiction.

• Child Health Nursing Research
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• v.16 no.3
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• pp.203-210
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• 2010

Purpose: This study was done to identify cell phone addiction in high school students and variables predicting this addiction. Methods: The participants were 469 adolescents from four high schools. Data were collected through self-report questionnaires, and analyzed using the SPSS program. Results: Of the high school students, 88.4% reported being average users, 7.5%, heavy users, and 4.1%, cell phone addicted. Cell phone addiction was significantly correlated with immediate self-control, self-efficacy, depression, and peer support. Predictors of cell phone addiction were the following: receiving text message on weekends, immediate self-control, main use (text message), minute per call on weekdays, listening to music, gender (female), monthly call charges, depression, person called (friends), and self-efficacy. These factors explained 39% of variance in cell phone addiction. Conclusion: The above findings indicate that cell phone addiction in high school students was influenced by gender, cell phone use, and psychological factors. Therefore the approach to effective cell phone addiction management for high school students is to consider these variables when developing programs for these students.

• Korean Parent-Child Health Journal
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• v.15 no.2
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• pp.60-70
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• 2012

Purpose: This study was done to examine factors influencing cell phone addiction for middle school students by gender. Methods: The participants were 228 male students and 228 female students in two middle schools. Data were collected through self-report questionnaires, and analyzed using the SPSS/WIN 19.0 program. Results: Cell phone addictions of female students are higher than those of male students. Factors influencing cell phone addiction for male students were mimicry, sending text message on weekdays, immediate self-control, grade, syntony, and monthly call charge, explaining 42.2% of variance in cell phone addiction. Factors influencing cell phone addiction for female students were internet addiction, sending and receiving text message on weekends, immediate self-control, long-term self-control, use time, main use, syntony, and monthly call charge, explaining 46.8% of variance in cell phone addiction. Conclusion: The results indicated that cell phone addiction and its influencing factors differed by gender. Therefore the approach to effective cell phone addiction management program for middle school students should consider gender differences.

• The Journal of Korean Academic Society of Nursing Education
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• v.17 no.2
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• pp.296-305
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• 2011

Purpose: This study was done to develop an educational needs scale for cell phone use, to investigate the scope of cell phone use in children and their parents' perception, and to compare the educational needs for children and parents regarding children's cell phone use. Method: The participants were 152 children and 152 parents in two cities. Data were collected through self-report questionnaires, and analyzed using the SPSS program. Result: Ten items regarding the educational needs for cell phone use were selected for the final scale, and categorized into 2 factors (cell phone use and cell phone addiction). The scope of cell phone use in children is different from their parents' perception. The educational needs of parents were higher than those of children. Conclusion: The findings indicate that the scope of cell phone use and the educational needs of children were different from their parents' perception and needs. Further research would be required to identify the educational needs for children and parents regarding children's cell phone use and related factors. In addition, development and effects of the educational programs for cell phone use in children and parents will be required.

• Proceedings of the IEEK Conference
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• 2008.06a
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• pp.333-334
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• 2008

With the role of cell phones in today's society as a digital personal assistant as well as the primary tool for personal communication, it is possible to imagine the involvement of cell phones in almost any type of crime. The progression of a criminal investigation can hinge on vital clues obtained from a cell phone. This paper will be concentrated on CDMA system phones and focus on the data extraction for cell phone forensics. Especially, the data acquisition method of JTAG interface access to memory chip will be covered.

• The Journal of Korean Society for School & Community Health Education
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• v.14 no.1
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• pp.1-12
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• 2013

Purpose: This study aimed to identify the influencing the effects of emotional characteristics of adolescents on cell phone addiction and to form the basis for the developments of programs to protect addictive cell phone use. Methods: The data of the Korean Child-Youth Panel Survey(KCYPS) was analyzed using the SPSS 18.0 program. Results: The influencing factors of the cell phone addiction were gender, attention, physical symptoms, depression, aggression, social withdrawal, games and entertainment, listening to music, text messages, call family and watching movies. The factors accounted for 30.6% of variance in cell phone addiction. Conclusions: These results suggest that cell phone addiction are influenced by emotional characteristics of adolescents. These results may contribute to development of programs to prevent cell phone addiction.

• Child Health Nursing Research
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• v.17 no.2
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• pp.91-99
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• 2011

Purpose: This study was done to develop a cell phone addiction prevention program for middle school students, and to examine the effects of the program on self-esteem, self-efficacy, impulsiveness, and cell phone use. Methods: The study was designed using a nonequivalent control group pre-test-post-test design. The participants were 63 middle school students (31 in the experimental group and 32 in the control group). Students in the experimental group were given the cell phone addiction prevention program. The data were analyzed using the SPSS/WIN 14.0 program. Results: Students in the experimental group reported a significant increase in self-esteem compared to students in the control group. Students in the experimental group also reported a significant decrease in cell phone use compared to students in the control group. Conclusion: The results of the study indicate that the cell phone addiction prevention program was effective in increasing self-esteem and decreasing cell phone use in middle school students.

• Journal of Fisheries and Marine Sciences Education
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• v.25 no.1
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• pp.87-101
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• 2013

The purpose of this study was to analyze differences in psychological characteristics according to cell phone dependency and use purpose in cell phone users of adolescences. Psychological characteristics of adolescents were consisted of attention aggression, somatic symptoms, social withdrawal, depression variables. The subjects were 2,158 cell phone owned second graders of middle school. A data of the Korean Child-Youth Panel Survey(KCYPS) was employed for the this study. Dependency and use purpose of cell phone were classified by cluster analysis into four groups with similar characteristics : 'high dependency-multipurpose', 'low dependency-social', 'low dependency-unsocial' 'middle dependency-peer interaction' groups. Major findings were that: the group differences in psychological characteristics were statistically significant. The 'low dependency-social' group showed highest on adjustments, and the other groups were maladaptive. Finally, implications for future research were discussed.

• Journal of the Korean Society of School Health
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• v.29 no.3
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• pp.149-155
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• 2016

Purpose: The purpose of this study was to identify the influence of cell phone addiction on communication skills and the interpersonal relationship ability of adolescents. Methods: The researcher recruited 751 high school students to assess their general characteristics, communication skills, cell phone addiction and interpersonal relationship ability. Data were collected from June 30 to July 14 in 2014 using copies of a structured self report questionnaire. The collected data were analyzed with descriptive statistics, t-test, ANOVA, Pearson's correlation coefficient and linear multiple regression using the SPSS/WIN 21.0 IBM program. Results: Of the students, 3.5% reported they were addicted users, and 7.6% reported they were heavy users. Results from multiple regression analysis showed that cell phone addiction did not have any influence on communication skills of the adolescents. However, cell phone addiction mostly affected the interpersonal relationship ability of the adolescents (${\beta}=.24$, p<.001). Poor school performance (${\beta}=.17$, p<.001) and low socioeconomic status (${\beta}=.12$, p<.05) were also related to the interpersonal skills of the adolescents. These variables explained 8.3% of the variance in the interpersonal skills of the adolescents. Conclusion: These results suggest that cell phone addiction has a negative influence on the development of the interpersonal relationship ability of adolescents. The findings of this study are expected to provide basic data about the influence of cell phone addiction on the interpersonal relationship ability of adolescents. Therefore, cell phone addiction treatment programs for adolescents need to include contents related to interpersonal relationship ability.

• The Korean Journal of Health Service Management
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• v.10 no.3
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• pp.185-197
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• 2016

Objectives : The purpose of this study was to identify the influencing factors of cell phone addiction in adolescents and to construct a cell phone addiction model for adolescents. Methods : Data from the 5th Korean Child-Youth Panel Survey (KCYPS) was analyzed with the SPSS 20.0 and 23.0 AMOS programs. Results : According to the model of this study, depression had statistically significant direct effects while emotional characteristics and parental abuse had statistically significant indirect effects on cell phone addiction in adolescents. School life adjustment had statistically significant direct and indirect effects on cell phone addiction in adolescents. Conclusions : Based on the results of this study, it is necessary to develop prevention and intervention programs to combat cell phone addiction in Korean adolescents.