중학생의 또래관계가 스마트폰 의존도에 미치는 영향과 사회적 위축의 매개효과 : 스마트폰의 사회적 이용에 따른 다집단 분석
초록
이 연구는 초기 청소년인 중학생에게 준거집단의 역할을 하는 또래 친구에 주목하여 중학생의 긍정적·부정적 또래관계가 스마트폰 의존도의 하위요인에 미치는 영향을 살펴보았다. 더 나아가, 사회적 이용에 따라 고·저 집단으로 분류한 뒤 집단 간 차이를 분석하고 사회적 위축의 매개효과를 함께 분석하였다. 한국청소년정책연구원의 한국아동·청소년패널조사(Korean Children & Youth Panel Survey) 2018 중1 패널 데이터 2차년도 자료를 사용하였고, 2,371명의 답변을 사용하여 구조방정식 모형을 활용한 다집단 분석을 실시하였다. 연구결과, 중학생의 긍정적 또래관계는 스마트폰 의존도의 하위요인 가운데 금단을 낮추고, 부정적 또래관계는 금단과 내성 모두를 증가시키는 경향을 보였으나 금단을 향한 효과크기가 더 큰 것으로 나타났다. 사회적 위축은 부정적 또래관계에 의해 증가하고 긍정적 또래관계에 의해 감소하지만, 부정적 또래관계가 상대적으로 더 큰 영향력을 발휘하였다. 중학생이 경험하는 사회적 위축으로 인해 스마트폰 의존도의 하위요인 금단과 내성 모두 증가하지만 내성을 향한 영향력이 상대적으로 더 강하게 나타났다. 사회적 이용에 따라 고·저 집단으로 분류한 다집단 분석 결과, 중학생의 긍정적 또래관계가 금단에 미치는 영향은 사회적 이용 수준이 높은 집단에서만 유의미하였다. 반면, 부정적 또래관계가 사회적 위축과 금단에 미치는 영향은 사회적 이용 수준이 낮은 집단에서 더 강하게 나타났다. 사회적 위축의 매개효과 분석 결과, 부정적 또래관계가 내성과 금단에 미치는 영향에 관해서는 모든 집단이 유의미하였다. 하지만 긍정적 또래관계가 금단에 미치는 영향에 관한 사회적 위축의 매개효과는 사회적 이용 수준이 낮은 집단에서만 유의미하지 않았다. 즉, 사회적 이용 수준이 높은 집단에서는 스마트폰 의존도 하위요인을 향한 긍정적 또래관계의 영향력이 강화되고 부정적 또래관계의 영향력은 완화되었다. 분석 결과를 종합하여, 청소년 대상 스마트폰 교육 및 관련 미디어교육 프로그램에서 미디어를 이용한 긍정적인 상호작용과 또래관계 경험을 지원해야 할 필요성을 논의하였다.
Abstract
Peer relationships and smartphone dependence are two essential features for middle school students. Peer relationships can be protective factors for smartphone dependence because adolescents can choose smartphone usage activities when their need for interpersonal relationships is not fulfilled. Then, how are the effects different for positive and negative peer relationships to smartphone dependency? Are positive and negative peer relationships' effects on the sub-factors of smartphone dependency different? Further, what mediates and which moderator factors differentiate the effects of peer relationships on smartphone dependency's sub-factors? This study investigated the effects of middle school students' positive and negative peer relationships on smartphone dependency (tolerance and withdrawal) with the mediation of social withdrawal. We also analyzed the differences between high and low social use groups. We used the structural equation model analysis and analyzed data from 2,371 respondents in the 2018 Korean Children & Youth Panel Survey' 2nd-year panel data provided by the Korea Youth Policy Institute. The result of the study indicates that middle school students' positive peer relationships lowered withdrawal. Negative peer relationships tended to increase both withdrawal and tolerance. The effect size of negative peer relationships toward withdrawal was substantial. Social withdrawal was increased by negative peer relationships and decreased by positive peer relationships, but negative peer relationships had a stronger effect on social withdrawal. Social withdrawal experienced by middle school students increased both withdrawal and tolerance sub-factors of smartphone dependence, but social withdrawal influenced tolerance relatively more. Multi-group analysis showed that positive peer relationships on the withdrawal of smartphone dependence were significant only in the group with a high level of social use. The effects of negative peer relationships on social withdrawal and smartphone dependence withdrawal were stronger in the group with a low level of social use. In the group with a high level of social use, the influence of positive peer relationships strengthened toward the sub-factors of smartphone dependence, while that of negative peer relationships was alleviated. Social withdrawal is a mediating factor between peer relationships and tolerance regardless of positive and negative peer relationships or a level of social use. However, social withdrawal is consistently a mediator between peer relationships and tolerance because social withdrawal does not affect the withdrawal of smartphone dependency in a low level of social use group. The results of this study suggest two strategies for media literacy programs for adolescents. First, it is necessary to encourage positive interaction and peer relationship experiences using smartphones in media literacy programs. Second, forced social use to decrease smartphone dependency may cause unintended adverse effects on adolescents who experience social withdrawal.
Keywords:
smartphone dependence, adolescent, peer relationship, social withdrawal, social use키워드:
스마트폰 의존도, 청소년, 또래관계, 사회적 위축, 사회적 이용Acknowledgments
This study was presented in the Media Literacy Research Group Session at the Spring Conference of the Korean Society for Journalism and Communication Studies in 2021. Thanks to the helpful advices of panelists and discussants, this paper has been improved (이 연구는 2021년 한국언론학회 봄철 정기학술대회 미디어교육연구회 세션에서 발표되었습니다. 발전된 논문이 될 수 있도록 조언해주신 사회자, 토론자분들과 심사위원분들께 감사드립니다).
References
- Abbasi, G. A., JagaveeranAbbasi, M., Goh, Y. N., & Tariq, B. (2021). The impact of type of content use on smartphone addiction and academic performance: Physical activity as moderator. Technology in Society, 64. [https://doi.org/10.1016/j.techsoc.2020.101521]
- Armsden, G. C., & Greenberg, M. T. (1987). The inventory of parent and peer attachment: Individual differences and their relationship to psychological well-being in adolescence. Journal of Youth and Adolescence, 16(5), 427–454. [https://doi.org/10.1007/BF02202939]
- Bae, J, A. & Cho, Y. (2010). Digital Media and Mother-Child Communication, Journal of Cybercommunication Academic Society, 27(1), 53-91
- Bae, S-L., Lee, C, H. & Lee, J. (2020). A Study on the Current Status of Youth Media Use and Policy Countermeasures by Target Ⅰ: Elementary student. (The Report of NYPI 20-R17) Retrieved 5/2/21 from https://www.nypi.re.kr/brdrr/boardrrView.do?menu_nix=d35o34AE&brd_id=BDIDX_PJk7xvf7L096m1g7Phd3YC&tab=
- Bae, S, M., Hong, J, Y. & Huyn, M, H. (2015). A Validation Study of the Peer Relationship Quality Scale for Adolescents, Korean Journal of Youth Studies, 22(5), 325-344
- Bae, S. M. (2015). The relationships between perceived parenting style, learning motivation, friendship satisfaction, and the addictive use of smartphones with elementary school students of South Korea: Using multivariate latent growth modeling. School Psychology International, 36(5), 513–531. [https://doi.org/10.1177/0143034315604017]
- Bae, S-M. (2017). The relationship between the type of smartphone use and smartphone dependence of Korean adolescents: National survey study. Children and Youth Services Review, 81, 207-211. [https://doi.org/10.1016/j.childyouth.2017.08.012]
- Bae, Y. (2016). The Problem and Current Status of Smartphone Addiction. (Korean Social Trends 2016) Retrieved 13/9/20 form http://kostat.go.kr/sri/srikor/srikor_pbl/3/index.board?bmode=read&aSeq=370220&pageNo=&rowNum=10&amSeq=&sTarget=&sTxt=, .
- Berndt, T. J. (1982). The features and effects of friendship in early adolescence. Child Development, 53(6), 1447–1460. [https://doi.org/10.2307/1130071]
- Berndt, T. J. (2002). Friendship Quality and Social Development. Current Directions in Psychological Science, 11(1), 7-10. [https://doi.org/10.1111/1467-8721.00157]
- Bowker, J., Rubin, K. H., & Coplan, R. J. (2012). Social withdrawal in adolescence. In R. J. R. Levesque (Ed.), Encyclopedia of adolescence(pp. 2817-2824). New York: Springe [https://doi.org/10.1007/978-1-4419-1695-2_124]
- Busch, P., & McCarthy, S. (2021). Antecedents and consequences of problematic smartphone use: A systematic literature review of an emerging research area. Computers in Human Behavior, 114, 106414. [https://doi.org/10.1016/j.chb.2020.106414]
- Chen, H. T., & Kim, Y. (2013). Problematic use of social network sites: the interactive relationship between gratifications sought and privacy concerns. Cyberpsychology, behavior and social networking, 16(11), 806–812. [https://doi.org/10.1089/cyber.2011.0608]
- Choi, E, Y. (2020). Mediating effects of social withdrawal and self-esteem between social relationships and smartphone dependence and gender differences in these relationships, Korean Journal of Youth Studies, 27(5), 433-459. [https://doi.org/10.21509/KJYS.2020.05.27.5.433]
- Choi, J., Jeon, H., Oh, H, J. & Hong, S. (2020). A study on the relationship between smartphone usage types and smartphone dependency of elementary school students – Focusing on contact and sns use, Korean Journal of Youth Studies, 27(5), 331-354. [https://doi.org/10.21509/KJYS.2020.05.27.5.331]
- Choi, J.-A. (2014, Nov). Longitudinal associations among social withdrawal, peer relationships, and depression in adolescence. Paper presented at the 2014 Autumn Conference of the The Journal of the Korea Contents Association, Seoul, Korea.
- Coplan, R., & Armer, M. (2007). A “Multitude” of Solitude: A Closer Look at Social Withdrawal and Nonsocial Play in Early Childhood. Child Development Perspectives, 1, 26-32. [https://doi.org/10.1111/j.1750-8606.2007.00006.x]
- Deursen, A.V., Bolle, C.L., Hegner, S., & Kommers, P. (2015). Modeling habitual and addictive smartphone behavior: The role of smartphone usage types, emotional intelligence, social stress, self-regulation, age, and gender. Computers in Human Behavior, 45, 411-420. [https://doi.org/10.1016/j.chb.2014.12.039]
- Elhai, J. D., Levine, J. C., Dvorak, R. D., & Hall, B. J. (2017). Non-social features of smartphone use are most related to depression, anxiety and problematic smartphone use. Computers in Human Behavior, 69, 75–82. [https://doi.org/10.1016/j.chb.2016.12.023]
- Eun, H-J. & Na, E-Y. (2002). Gratification Sought and Gratification Obtained by Internet Users and Their Relationship with Using Behavior. Korean Journal of Journalism & Communication Studies, 46(3), 214-253.
- Fischer, C. (1992). America Calling: A Social History of the Telephone to 1940. Berkeley: University of California Press
- Fornell, C., & Larcker, D. (1981). Evaluating structural equation models with unobservable, and measurement error. Journal of Marketing Research, 18(1), 39-50. [https://doi.org/10.1177/002224378101800104]
- Glasser, W. (1998). Choice theory, Harper & Row.
- Hong J. Y. & Doh. H-S. (2002). Parental marital conflict, attachment to parents, and peer relationships among adolescents. Journal of Families and Better Life, 20(5) 143-154
- Hong, S, H. (2000). The Criteria for Selecting Appropriate Fit Indices in Structural Equation Modeling and Their Rationales. The Korean Journal of Clinical Psychology, 19(1), 161-177.
- Jahng, K. E. (2019). Maternal abusive parenting and young South Korean adolescents' problematic smartphone use: The moderating effects of time spent hanging out with peers and trusting peer relationships. Children and Youth Services Review, 98, 96-104. [https://doi.org/10.1016/j.childyouth.2018.12.028]
- Jeon, G, R. & Lim, S. (2012). Study on the Contexts and Meanings of Adolescents' Addictive Game Play, Journal of Korea Game Society, 12(6), 83-94. [https://doi.org/10.7583/JKGS.2012.12.6.83]
- Jeong, O. & Lee, J. (2017) A Grounded Theory on Relationship Dynamics in Middle School Students` Peer Relationship Formation Process, Korea Journal of Counseling, 18(4), 317-341. [https://doi.org/10.15703/kjc.18.4.201708.317]
- Jo, M, H., Kim J, M., Rhu S, S. & Kim, I, H. (2017). The Difference of The Self-Regulation and The Usage Motivation between The SNS and The Game Group in The Over usage of Smartphone of Adolescents. Korean Journal of Youth Studies, 24(2), 297-317. [https://doi.org/10.21509/KJYS.2017.01.24.2.297]
- Kang, B. G. & Shin, H. J. (2014). Risk and protective factors affecting mobile phone addiction in adolescence: With a special focus on the comparison by gender. Korean Journal of Youth Studies, 21(8), 213-241.
- Katz, E., Blumler, J., & Gurevitch, M. (1973). Uses and Gratifications Research. The Public Opinion Quarterly, 37(4), 509-523. [https://doi.org/10.1086/268109]
- Keum, H. J. (2011) The Influences of Social Media Use on Social Capital and Psychological Wellbeing. Korean Journal of Broadcasting and Telecommunication Studies, 25(5), 7-48
- Kircaburun, K., Alhabash, S., Tosuntas, S, B., & Griffiths, M. (2018). Uses and Gratifications of Problematic Social Media Use Among University Students: a Simultaneous Examination of the Big Five of Personality Traits, Social Media Platforms, and Social Media Use Motives. International Journal of Mental Health and Addiction, 18, 525-547. [https://doi.org/10.1007/s11469-018-9940-6]
- Kim, A, K. & Kim, S, B. (2018) The moderating effect of peer attachment on the relationship between social withdrawal of youth and mobile phone dependency, Korean Journal of Youth Studies, 25(8), 245-267. [https://doi.org/10.21509/KJYS.2018.08.25.8.245]
- Kim, B. & Park, J. & Jung, H. & Han, Y. (2020). Latent profiles of offline/cyberbullying experiences among korean students and its relationship with peer conformity. Children and Youth Services Review. 118. 105349. [https://doi.org/10.1016/j.childyouth.2020.105349]
- Kim, D., Chung, Y., Lee, Y, Kim, B. & Jeon, H. (2016). Develpment and Validation of Youth Smartphone Addiction Self-report Scale. Korea Journal of Counseling, 17(3), 319-335. [https://doi.org/10.15703/kjc.17.3.201606.319]
- Kim, D., Lee, Y., Lee, J., Kim, M, C., Keum, C, M., Nam, J., Kang, E. & Chung, Y., (2012). New Patterns in Media Addiction: Is Smartphone a Substitute or a Complement to the Internet?, Korea Journal of Youth Counseling, 20(1), 71-88 [https://doi.org/10.35151/kyci.2012.20.1.005]
- Kim. D. & Lee, K. (2020) Influence of peer relationship on smartphone dependency among 7th graders: Multi-group analysis according to usage patterns by clustering purpose of using smartphones, Korean Journal of Child Study, 41(5), 45-58 [https://doi.org/10.5723/kjcs.2020.41.5.45]
- Kim, G-S.& Kim, E-M. (2015). Effect of emotional problem of the youth on school life adaptation: Dependence on smartphone as mediating effect. Journal of Welfare for The Correction, 38, 33-57.
- Kim, H. & Kim, S.-Y. (2020). Exploring the possible direction of interpreting inconsistent mediational effect, The Korean Journal of Psychology: General, 39(1), 91-115. [https://doi.org/10.22257/kjp.2020.3.39.1.91]
- Kim, H. J., Min, J. Y., Min, K. B., Lee, T. J., Yoo, S. (2018) Relationship among family environment, self-control, friendship quality, and adolescents’ smartphone addiction in South Korea: Findings from nationwide data. PLOS ONE, 13(2), e0190896. [https://doi.org/10.1371/journal.pone.0190896]
- Kim, H.-S. (2014) The Mediating Effect of Self-identity in the Influence of Peer-alienation of Youth to Mobile Phone Dependency, The Korea Contents Society, 14(12), 527-537.
- Kim. H-S. & Choi, Y.-J. (2015). The gender difference in predictors of mobile phone dependency in youth, The Korea Contents Society, 15(5), 340-352. [https://doi.org/10.5392/JKCA.2015.15.05.340]
- Kim, J, H. (2012). The effects of parental factors, friend`s factors and personal factors on the mobile phone dependency of youth mediated by mobile phone uses. Korean Journal of youth welfare, 14(3), 97-120.
- Kim, J. L. H., & Kang, J. (2017). The effect of loneliness on SNS addiction: Moderating effect of interpersonal relations orientation and its gender difference. Korean Journal of Clinical Psychology, 36(2), 154-164. [https://doi.org/10.15842/kjcp.2017.36.2.002]
- Kim, J. Y., Han, H., Park, E., & Kang, M. J. (2020). The Serial Multiple Mediating Effects of Social Withdrawal and Smartphone Dependency and the Influence of Negative Parenting Attitude on Adolescents' Academic Helplessness. Family and Environment Research, 58(4), 601-611. [https://doi.org/10.6115/fer.2020.040]
- Kim, K, Lee H. & Moon, S-I. (2016) Exploring the effects of network size, usage behaviors, and assimilation for peer relations on adolescents’ smartphone addiction symptoms, Korean Journal of Broadcasting and Telecommunication Studies, 30(4), 5-40
- Kim, S, J., Park, G, S. & Moon, S, H. (2015). Analysis on smartphone usage types of youth: Q methodological approach. Korean Journal of Youth Studies, 22(12), 1-26.
- Kim, S-S. & Cho, D-G. (2004) Relationship between internet use patterns and subfactors of internet addiction in adolescents, Studies on Korean Youth, 15(2), 355-384.
- Kim, Y. (2018). Analysis of cell phone ownership and usage behavior of children and adolescents. KIDI STAT Reprot Vol. 18-20. Retrieved 9/13/20 from http://m.kisdi.re.kr/mobile/repo/stat_view.m?key1=14421&selectPage=1
- Ko, E-H. & Kim, G. (2017). Influence of middle school students’ shyness and interpersonal anxiety on smartphone addiction: Focused on the mediating effect in problematic communication between parent-adolescent and peer relationship. Korean Journal of Youth Studies, 24(5), 55-78. [https://doi.org/10.21509/KJYS.2017.05.24.5.55]
- Kwak, J., Kim, J., & Yoon, Y. W. (2018). Effect of parental neglect on smartphone addiction in adolescents in south korea. Child abuse & neglect, 77, 75-84. [https://doi.org/10.1016/j.chiabu.2017.12.008]
- Kwon, Y. & Na, E-Y. (2017). The influence of parent communication on smartphone dependency in adolescents - Focused on the mediation effect of self-control, Journal of communication research, 54(2), 80-113. [https://doi.org/10.22174/jcr.2017.54.2.80]
- Leary, M. R. (1983). Social anxiousness: The construct and its measurement. Journal of Personality Assessment, 47(1), 66–75. [https://doi.org/10.1207/s15327752jpa4701_8]
- Lee, B, J., Min, W-H. & Kim, J-E. (2014) A study for developmental trajectories of social withdrawal in adolescence : An exploratory approach based on developmental-contextualism perspective. Korean Journal of Youth Studies, 21(8), 317-346.
- Lee, J. & Sung, D.-K. (2013). A cross-cultural study between korea and america on the use of social network service and the change of Interpersonal relationship: Focusing on self-schemata, self-disclosure and social anxiety. Journal of Social Science, 24(1), 257-281. [https://doi.org/10.16881/jss.2013.01.24.1.257]
- Lee, K-N. & Kim, H-H. (2019). The relationship of parent-child communication, loneliness and interpersonal problems on adolescents' smartphone addiction, Youth Facilities and Environment, 17(3), 27-36.
- Lee, S. (2021). Comparison of digital device usage behavior of middle school students in Gyeonggi-do before and after COVID-19. Today's Education in Statistics 2021 Issue 2. Retrieved 9/27/21 from http://ebook.goe.go.kr/20210602_161917/?fbclid=IwAR3uB98_dLCzso_prYHNeMER1KybQJCHgW4rdCnd50qVrF4KiIKgyhaGDVI
- Lee, S-M. & Kim, H-J. (2011) Generalization of structural equation models or practices and problems in multigroup analysis for the study of group differences, Social Sciences Review, 43(1), 63-112.
- Lee, Y., Chang, C., Lin, Y., & Cheng, Z. (2014). The dark side of smartphone usage: Psychological traits, compulsive behavior and technostress. Computers in Human Behavior, 31, 373-383 [https://doi.org/10.1016/j.chb.2013.10.047]
- Lyo, S, Y. & Hyun, S. (2019) Psychological personalities of middle school students with peer relationship problems in the figure diagnostic evaluation: Focused on middle school students visiting school counseling room, Korean Journal of Christian Counseling, 30(4), 77-115. [https://doi.org/10.23909/KJCC.2019.11.30.4.77]
- Mclver, J. P., & Carmines, E. G. (1981). Unidimensional scaling. Newbury Park, CA: Sage. [https://doi.org/10.4135/9781412986441]
- Min, W.-H. & Kim, D.-E. (2016). Longitudinal relationships between peer victimization and internalized problems in adolescence. Korean Journal of Youth Studies, 23(6), 397-426. [https://doi.org/10.21509/KJYS.2016.06.23.6.397]
- Nam, E. & Bae, H-B. (2019). Effects of adolescent depression on online and offline delinquency: Mediating effects of aggression and social withdrawal, Joural of Learner-Centered Curriculum and Instruction, 19(6), 353-375. [https://doi.org/10.22251/jlcci.2019.19.6.353]
- National Information Society Agency. (2011). Develpoment of Korean Smartphone Addiction Proneness Scale For Youth and Adults. Seoul: National Information Society Agency.
- National Information Society Agency (2016). Come out, out of the smartphone world. Retrieved 9/27/21 from https://www.gne.go.kr/upload_data/board_data/workroom/149215580692025.pdf
- Nho, C, R. & Kim, S. (2016). The effects of parenting attitudes on adolescents’ smartphone dependency: The mediating effects of adolescents’ depression and aggression, Studies on Korean Youth, 27(4), 87-114. [https://doi.org/10.14816/sky.2016.27.4.87]
- Palmgreen, P., Wenner, L. A., & Rayburn, J. D. (1980). Relations between gratifications sought and obtained: A study of television news. Communication Research, 7(2), 161–192. [https://doi.org/10.1177/009365028000700202]
- Papacharissi, Z., & Rubin, A. M. (2000). Predictors of internet use. Journal of Broadcasting & Electronic Media, 44(2), 175–196. [https://doi.org/10.1207/s15506878jobem4402_2]
- Park, J., H., Park, M. (2021) Smartphone use patterns and problematic smartphone use among preschool children. PLoS ONE, 16(3), e0244276. [https://doi.org/10.1371/journal.pone.0244276]
- Park, J, Y, Kim, K, A & Hong, C-H. (2012). The relationships between adolescents' cellular phone use motivation, peer Relationships, emotional factors and cellular phone addictive use, Korean Journal of Clinical Psychology, 31(1), 151-169. [https://doi.org/10.15842/kjcp.2012.31.1.008]
- Perry, D. G. & Bussey, K. (1984). Social development. Englewood Cliffs, NJ: Prentice Hall.
- Pett, M. A., Lackey, N. R. & Sullivan, J. J. (2003) Making sense of factor analysis: The use of factor analysis for instrument development in health care research. Thousand Oaks: SAGE Publications. [https://doi.org/10.4135/9781412984898]
- Rubin, K. H., Hymel, S., & Mills, R. S. (1989). Sociability and social withdrawal in childhood: Stability and outcomes. Journal of personality, 57(2), 237-255. [https://doi.org/10.1111/j.1467-6494.1989.tb00482.x]
- Rubin, K. H., Bukowski, W. M., & Parker, J. G. (2006). Peer interactions, relationships, and groups. In N. Eisenberg, W. Damon, & R. M. Lerner (Eds.), Handbook of child psychology: Social, emotional, and personality development (p. 571–645). John Wiley & Sons, Inc.. [https://doi.org/10.1002/9780470147658.chpsy0310]
- Rubin, K., Coplan, R., & Bowker, J. (2009). Social withdrawal in childhood. Annual review of Psychology, 60, 141-172. [https://doi.org/10.1146/annurev.psych.60.110707.163642]
- Schwartz, D., Farver, J., Chang, L., & Lee-Shin, Y. (2002). Victimization in south korean children's peer groups. Journal of Abnormal Child Psychology, 30, 113-125. [https://doi.org/10.1023/A:1014749131245]
- Seo, M. (2016). The influence of changes in mobile phone use by purposes on psychosocial maladjustment among early adolescents, Asian Journal of Education 17(4), 239-261 [https://doi.org/10.15753/aje.2016.12.17.4.239]
- Shin, Y, I. & Kang, T, S. (2020). The effects of social withdrawal on academic engagement: Focusing on the medium effect of self-esteem, The Journal of Learner-Centered Curriculum and Instruction, 20(11), 911-932. [https://doi.org/10.22251/jlcci.2020.20.11.911]
- Song, I., LaRose, R., Eastin, M., & Lin, C.A. (2004). Internet gratifications and internet addiction: On the uses and abuses of new media. Cyberpsychology & behavior : the impact of the Internet, multimedia and virtual reality on behavior and society, 7(4), 384-94. [https://doi.org/10.1089/cpb.2004.7.384]
- Statistics Korea. (2021). 2021 Youth statistics. Retrieved 8/9/21 from http://kostat.go.kr/portal/korea/kor_nw/1/1/index.board?bmode=read&aSeq=389790&pageNo=&rowNum=10&amSeq=&sTarget=&sTxt=
- Yang, C. C., & Brown, B. B. (2013). Motives for using facebook, patterns of facebook activities, and late adolescents' social adjustment to college. Journal of youth and adolescence, 42(3), 403–416. [https://doi.org/10.1007/s10964-012-9836-x]
- Yen, J. Y., Yen, C. F., Chen, C. S., Wang, P. W., Chang, Y. H., & Ko, C. H. (2012). Social anxiety in online and real-life interaction and their associated factors. Cyberpsychology, behavior and social networking, 15(1), 7–12. [https://doi.org/10.1089/cyber.2011.0015]
- Yong, H-R., Kang, H-N. & Hwang, H. (2019). A study on the psychological factors and environmental factors influencing of game leadership and social capital in adolescent, Journal of Korea Academia-Industrial cooperation Society, 20(2), 509-519.
- Yun H. G., & Lee J. Y. (2010). Middle school students' perceptions and their own level of peer relationship competence. The Korean Journal of School Psychology, 7(1), 1-18 [https://doi.org/10.16983/kjsp.2010.7.1.1]