Členové týmu
Lenka Dědková, Ph.D. je zástupkyní vedoucího IRTIS a editorkou časopisu Cyberpsychology: Journal of Psychosocial Research on Cyberspace. Lenka se podílela na několika národních i mezinárodních projektech a výzkumem na internetu se zabývá především z perspektivy psychologie. Má ale výrazné zkušenosti s interdisciplinárním výzkumem; spolupracovala například na několika projektech na pomezí sociálních věd a informatiky. Její odborné zájmy zahrnují výzkum zkušeností dospívajících s interakcemi s neznámými lidmi z internetu, rodičovskou mediaci používání internetu a internetovou bezpečnost.
Ocenění
- 2020 - Cena MUNI Scientist
Grantová agentura Masarykovy univerzity
za publikaci EU Kids Online 2020 reportu - 2016 - Cena rektora
Masarykova Univerzita
pro nejlepší studenty doktorského programu
Časopisecké články
2023
- Bedrošová, M., Mylek, V., Dedkova, L., & Velicu, A. (2023). Who is searching for cyberhate? Adolescents’ characteristics associated with intentional or unintentional exposure to cyberhate. Cyberpsychology, Behavior, and Social Networking. Advance online publication. https://doi.org/10.1089/cyber.2022.0201
- Geržičáková, M., Dedkova, L., & Mýlek, V. (2023). What do parents know about children’s risky online experiences? The role of parental mediation strategies. Computers in Human Behavior, 141, 107626. https://doi.org/10.1016/j.chb.2022.107626
2022
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Dedkova, L., & Mýlek, V. (2022). Parental mediation of online interactions and its relation to adolescents’ contacts with new people online: The role of risk perception. Information, Communication & Society. Advance online publication. https://doi.org/10.1080/1369118X.2022.2146985
- Dedkova, L., Smahel, D., & Just, M. (2022). Digital security in families: The sources of information relate to the active mediation of internet safety and parental internet skills. Behaviour & Information Technology, 41(5), 1052-1064. https://doi.org/10.1080/0144929X.2020.1851769
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Knapová, L., Smahel, D., Dedkova, L., & Matyas, V. (2022). Comparing nonresponders and responders of online intercept surveys: A large-scale experimental ICT security-related study. Human Behavior and Emerging Technologies, 3107621. https://doi.org/10.1155/2022/3107621
- Kruzikova, A., Knapova, L., Smahel, D., Dedkova, L., & Matyas, V. (2022). Usable and secure? User perception of four authentication methods for mobile banking. Computers & Security, 115, 102603. https://doi.org/10.1016/j.cose.2022.102603
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Mýlek, V., Dedkova, L., & Mesch, G. S. (2022). Czech adolescents’ face-to-face meetings with people from the internet: The role of adolescents’ motives and expectations. Journal of Youth and Adolescence. Advance online publication. https://doi.org/10.1007/s10964-022-01697-z
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Smahel, D., Dedkova, L., Kraus, L., Matyas, V., & Stavova, V. (2022). Investigating Installers of Security Software in 20 Countries: Individual-and Country-Level Differences. Human Behavior and Emerging Technologies, 1230344. https://doi.org/10.1155/2022/1230344
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Smahel, D., Gulec, H., Lokajova, A., Dedkova, L., & Machackova, H. (2022). The integrative model of ICT effects on Adolescents’ well-being (iMEW): The synthesis of theories from developmental psychology, media and communications, and health. European Journal of Developmental Psychology, 1–18. https://doi.org/10.1080/17405629.2022.2135501
- Wright, M. F., Wachs, S., Yanagida, T., Ševčíková, A., Dědková, L., Bayraktar, F., Aoyama, I., Kamble, S. V., Macháčková, H., Li, Z., Soudi, S., Lei, L., & Shu, C. (2022). Coping with Public and Private Face-to-Face and Cyber Victimization among Adolescents in Six Countries: Roles of Severity and Country. International Journal of Environmental Research and Public Health, 19(21), 14405. https://doi.org/10.3390/ijerph192114405
2021
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Galbava, S., Machackova, H., & Dedkova, L. (2021). Cyberostracism: Emotional and behavioral consequences in social media interactions. Comunicar, 29(67). https://doi.org/10.3916/C67-2021-01
- Knapova, L.,
- Mýlek, V., Dedkova, L., & Smahel, D. (2021). Information sources about face-to-face meetings with people from the Internet: Gendered influence on adolescents’ risk perception and behavior. New Media & Society. Online publication. https://doi.org/10.1177/14614448211014823
2020
- Dedkova, L., & Smahel, D. (2020). Online parental mediation: Associations of family members’ characteristics to individual engagement in active mediation and monitoring. Journal of Family Issues, 41(8), 1112-1136. https://doi.org/10.1177/0192513X19888255
- Mikuska, J., Smahel, D., Dedkova, L., Staksrud, E., Mascheroni, G., & Milosevic, T. (2020). Social relational factors of excessive internet use in four European countries. International Journal of Public Health, 65(8), 1289-1297. https://doi.org/10.1007/s00038-020-01484-2
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Mýlek, V., Dedkova, L., & Machackova, H. (2020). Factors influencing interactions between adolescents and unknown people from the internet: Findings from five European countries. Children and Youth Services Review, 114. https://doi.org/10.1016/j.childyouth.2020.105038
2018
- Cernikova, M, Dedkova, L., & Smahel, D. (2018). Youth interaction with online strangers: Experiences and reactions to unknown people on the Internet. Information, Communication & Society, 21, 94-110. http://dx.doi.org/10.1080/1369118X.2016.1261169
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Daneback, K., Bjereld, Y., Macháčková, H., Ševčíková, A., & Dědková, L. (2018). Bullied online but not telling anyone: What are the reasons for not disclosing cybervictimization? Studia Paedagogica, 23(4), 119-128. https://doi.org/10.5817/SP2018-4-6
- Machackova, H., Dedkova, L., Sevcikova, A., & Cerna, A. (2018). Bystanders’ supportive and passive responses to cyberaggression. Journal of School Violence, 17, 99-110. http://dx.doi.org/10.1080/15388220.2016.1222499
- Stavova, V., Dedkova, L., Matyas, V., Just, M., Smahel, D., & Ukrop, M. (2018). Experimental large-scale review of attractors for detection of potentially unwanted applications. Computers & Security, 76, 92-100. https://doi.org/10.1016/j.cose.2018.02.017
- Stavova, V., Dedkova, L., Ukrop, M., & Matyas, V. (2018). A large-scale comparative study of beta testers and regular users. Communications of the ACM, 61(2), 64-71. http://dx.doi.org/10.1145/3173570
- Wright, M. F., Yanagida, T., Macháčková, H., Dědková, L., Ševčíková, A., Aoyama, I., Bayraktar, F, ... Shu, C. (2018). Face-to-face and cyber victimization among adolescents in six countries: The interaction between attributions and coping strategies. Journal of Child and Adolescent Trauma, 11, 99-112. https://doi.org/10.1007/s40653-018-0210-3
2017
- Wright, M. F., Yanagida, T., Aoyama, I., Dědková, L., Li, Z., Kamble, S. V., … & Shu, C. (2017). Differences in attributions for public and private face-to-face and cyber victimization among adolescents in China, Cyprus, the Czech Republic, India, Japan, and the United States. The Journal of Genetic Psychology, 178, 1-14. http://dx.doi.org/10.1080/00221325.2016.1185083
- Wright, M. F., Yanagida, T., Aoyama, I., Ševčíková, A., Macháčková, H., Dědková, L., … & Shu, C. (2017). Differences in severity and emotions for public and private face-to-face and cyber victimization across six countries. Journal of Cross-Cultural Psychology, 48, 1216-1229. http://dx.doi.org/10.1177/0022022116675413
2016
- Cerna, A., Machackova, H., & Dedkova, L. (2016). Whom to trust: The role of mediation and perceived harm in support seeking by cyberbullying victims. Children & Society, 30, 256-277. http://dx.doi.org/10.1111/chso.12136
- Machackova, H., Dedkova, L., Sevcikova, A., & Cerna, A. (2016). Empathic responses by cyberbystanders: The importance of proximity. Journal of Youth Studies, 19, 793-804. http://dx.doi.org/10.1080/13676261.2015.1112882
- Wright, M. F., Yanagida, T., Ševčíková, A., Aoyama, I., Dědková, L., Macháčková, H., … & Lei, L. (2016). Differences in coping strategies for public and private face-to-face and cyber victimization among adolescents in six countries. International Journal of Developmental Science, 10, 43-53. http://dx.doi.org/10.3233/DEV-150179
2015
- Bayraktar, F., Machackova, H., Dedkova, L., Cerna, A., & Sevcikova, A. (2015). Cyberbullying: The discriminant factors among cyberbullies, cybervictims, and cyberbully-victims in a Czech adolescent sample. Journal of Interpersonal Violence, 30, 3192-3216. http://dx.doi.org/10.1177/0886260514555006
- Machackova, H., Dedkova, L., & Mezulanikova, K. (2015). Brief report: The bystander effect in cyberbullying incidents. Journal of Adolescence, 43, 96-99. http://dx.doi.org/10.1016/j.adolescence.2015.05.010
- Ševčíková, A., Macháčková, H., Wright, M. F., Dědková, L., & Černá, A. (2015). Social support seeking in relation to parental attachment and peer relationships among victims of cyberbullying. Journal of Psychologists and Counsellors in Schools, 25, 170-182. http://dx.doi.org/10.1017/jgc.2015.1
2014
- Dedkova, L., Cerna, A., Janasova, K., & Daneback, K. (2014). Meeting online strangers offline: The nature of upsetting experiences for adolescent girls. Communications. European Journal of Communication Research, 39, 327–346. http://dx.doi.org/10.1515/commun-2014-0115
2013
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Machackova, H., Cerna, A., Sevcikova, A., Dedkova, L., & Daneback, K. (2013). Effectiveness of coping strategies for victims of cyberbullying. Cyberpsychology: Journal of Psychosocial Research on Cyberspace, 7(3), article 5. http://dx.doi.org/10.5817/CP2013-3-5
- Macháčková, H., Dedkova, L., Sevcikova, A., & Cerna, A. (2013). Bystanders’ support of cyberbullied schoolmates. Journal of Community and Applied Social Psychology, 23, 25-36. http://dx.doi.org/10.1002/casp.2135
Knihy
2013
- Černá, A., Dedkova, L., Macháčková, H., Ševčíková, A., & Šmahel, D. (2013). Kyberšikana: Průvodce novým fenoménem [Cyberbullying: A guide to a new phenomenon]. Praha: Grada.
Kapitoly knih
2022
- Dedkova, L., Machackova, H., & Smahel, D. (2022). Information and communication technologies and well-being. In D. Lemish (Ed.), The Routledge international handbook of children, adolescents, and media (2nd ed., pp. 185-193). Routledge.
2015
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Dedkova, L. (2015). Stranger is not always danger: The myth and reality of meetings with online strangers. In P. Lorentz, D. Smahel, M. Metykova, & M. F. Wright (Eds.), Living in the digital age: Self-presentation, networking, playing, and participating in politics (pp. 78-94). Brno: Muni Press. Dostupné zde.
2014
- Dedkova, L. (2014). Navazování kontaktů online a setkávání se s neznámými lidmi z internetu [Seeking and meeting online strangers]. In A. Ševčíková (Ed.), Děti a dospívající online: Vybraná rizika používání internetu [Youth online: Selected risks of internet use] (pp. 75-97). Praha: Grada.
Reporty
2022
- Bedrosova, M., Dufkova, E., Dembytska, N., Gerzicakova, M., & Dedkova, L. (2022). Kybernenávist v českých rodinách: Jaké jsou zkušenosti dospívajících a co o nich vědí jejich rodiče a pečovatelé? Brno: Masaryk University.
2021
- Vokál, D., Šmahel, D., & Dedkova, L. (2021). Excesivní používání internetu českými dospívajícími: Srovnání před a během pandemie Covid-19. [Výzkumná zpráva]. Masarykova univerzita.
2020
- Kružíková, A., Knapová, L., Gabrhelík, O., Šmahel, D., Dědková, L., Matyáš, V., Doležal, P., & Šmahelová, M. (2020). User Testing of Mobile Banking Authentication Methods: UX Testing, User Interviews, and Quantitative Survey. Brno: Masaryk University.
- Smahel, D., Machackova, H., Mascheroni, G., Dedkova, L., Staksrud, E., Ólafsson, K., Livingstone, S., & Hasebrink, U. (2020). EU Kids Online 2020: Survey results from 19 countries. EU Kids Online. https://doi.org/10.21953/lse.47fdeqj01ofo
2018
- Bedrošová, M., Hlavová, R., Macháčková, H., Dedkova, L., & Šmahel, D. (2018). České děti a dospívající na internetu: Zpráva z výzkumu na základních a středních školách. Projekt EU Kids Online IV – Česká republika. Brno: Masarykova univerzita.
2015
- Macháčková, H., Dědková, L., & Ševčíková, A. (2015). Dospívající na internetu [Adolescents on the Internet]. Brno: Masarykova univerzita. Available here.
2014
- Dědková, L., Macháčková, H., Ševčíková, A., Černá, A., & Wright, M. (2014). Vnímání verbálních útoků na internetu a ve školách [The perception of verbal attacks in online and school environment]. Available here.
2013
- Macháčková, H., Dědková, L., Ševčíková, A., & Černá, A. (2013). Online obtěžování a kyberšikana II. Rozšířená zpráva projektu „Copingové strategie kyberšikany u adolescentů“. Available here.
2012
- Macháčková, H., Černá, A., Dědková, L., Ševčíková, A., & Blažková, E. (2012). Online obtěžování a kyberšikana. Zpráva projektu „Copingové strategie kyberšikany u adolescentů“ [Cyberbullying and Online Harassment. The report from project Coping strategies with cyberbullying among adolescents]. Available here.
Konference
2022
- Dědková, L., Mýlek, V., & Lebedíková, M. (2022, October 19-22). The impact of parental mediation on children’s online activities: Two-wave panel study. Presented at the 9th European Communication Conference (ECREA), Aarhus, Denmark. Dostupné zde.
- Dědková, L., & Šmahel, D. (2022, October 19-22). Publishing practices in media studies and communications. Presented at the 9th European Communication Conference (ECREA), Aarhus, Denmark. Dostupné zde.
- Geržičáková, M., Dědková, L., & Mýlek, V. (2022, October 19-22). Does momma know best? Parental characteristics and their association to parents' knowledge about children's online risks [Poster presentation]. Presented at the 9th European Communication Conference (ECREA), Aarhus, Denmark. Dostupné zde.
- Mýlek, V., & Dědková, L. (2022, October 19-22). Why, with whom, and what was the outcome? Face-to-face meetings between adolescents and people from the internet. Presented at the 9th European Communication Conference (ECREA), Aarhus, Denmark. Dostupné zde.
- Šmahel, D., Güleç, H., Lokajová, A., Dědková, L., & Macháčková, H. (2022, October 19-22). The integrative model of ICT effects on adolescents’ well-being: The synthesis of theories. Presented at the 9th European Communication Conference (ECREA), Aarhus, Denmark. Dostupné zde.
2021
- Dedkova, L. & Mylek, V. (2021, September). Parental mediation of online interactions and its association with adolescents' contacts with online strangers. Presented at 8th European Communication Conference (ECREA) 2021 (Online).
- Machackova, H., Bedrosova, M., Dedkova, L. (2021, November). The bystander intervention model: An experimental study on adolescents’ reactions to cyberaggression. Presented at 25th Workshop on Aggression, Turku, Finland.
- Mýlek, V., & Dědková, L. (2021, September). How risky are meetings with online strangers? The role of information sources in adolescent’s risk perception. Presented at the 8th European Communication Conference (ECREA), online.
2020
- Mikuška, J., Šmahel, D., Dědková, L. A., Mascheroni, G., Milosevic, T. & Staksrud, E. (2020, September). Social environment factors of excessive internet use in four European countries. Presented at the European Association for Research on Adolescence (EARA) 2020 (Online) Conference - Adolescence in a rapidly changing world, Porto, Portugal.
- Mýlek, V., & Dědková, L. (2020, September). Who is upset after face-to-face meetings with online strangers? The role of individual characteristics among European adolescent. Presented at the European Association for Research on Adolescence (EARA) 2020 (Online) Conference - Adolescence in a rapidly changing world, Porto, Portugal.
2019
- Bedrosova, M., Dedkova, L., Machackova, H., & Izrael, P. (2019, November). Who is searching for cyberhate? Cross-cultural comparison of Visegrad countries. Presented at 24th Workshop on Aggression, Stavanger, Norway.
- Knapová, L., Dědková, L., Kružíková, A., & Šmahel, D. (2019, November). NFC Token vs. Card-Reader: A Large-Scale Study of Preferences in Smartphone Authentication. Presented at Cyberspace conference, Brno, Czech Republic.
- Knapová, L., Kružíková, A., Dědková, L., & Šmahel, D. (2019, November). User Perceptions of Usability and Security of Authentication Methods for Mobile Banking on Smartphones. Presented at Cyberspace conference, Brno, Czech Republic.
- Machackova, H., & Dedkova, L. (2019, November). Application of Bystander Intervention Model in Incidents of Cyberaggression. Presented at 24th Workshop on Aggression, Stavanger, Norway.
- Mýlek, V. & Dědková, L. (2019, October). Adolescents' Interactions with Online Strangers in the Context of Risk-Taking Behavior and Developmental Needs. Presented at the conference (Re-)Connecting Perspectives on Interpersonal Communication and Social Interaction (ICSI 2019), Tilburg, Netherlands.
2018
- Dedkova, L. (2018, September). Mediation of children‘s internet use. Presented at conference Media & Education, Poznan, Poland.
- Dedkova, L., Machackova, H., & Smahel, D. (2018, October). České děti online. Výsledky výzkumu EU KIDS Online 2018. Presented at conference Praha bezpečně online, Prague, Czech Republic.
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Dedkova, L., Smahel, D., & Machackova, H. (2018, May). Parental monitoring of children‘s online activities in families with 5-17 year old children. Presented at ICA preconference: Trust, control, and privacy: Mediatisation of childhood and adolescence in the digital age, Prague, Czech Republic.
- Mišovicová, D., Dědková, L., Horák, O., Nováková, N., & Ošlejšková, H. (2018, October). Reálná a potenciální rizika internetu pro dospívající s epilepsií. Presented at 30. česko-slovenský epileptologický sjezd.
2016
- Cernikova, M., Dědková, L., & Šmahel, D. (2016, November). Youth’s experiences with online strangers: Developmental perspective. Presented at the 6th European Communication Conference (ECREA), Prague, Czech Republic.
- Dedkova, L. & Machackova, H. (2016, November). Evaluating online information: What makes people trust and distrust. Poster presented at the 6th European Communication Conference (ECREA), Prague, Czech Republic.
- Dedkova, L. & Machackova, H. (2016, September). Thinness-oriented online communities visited by early and middle adolescents. Poster presented at the XV biennial conference of European Association for Research on Adolescence (EARA), Cadiz, Spain.
- Machackova, H. & Dedkova, L. (2016, November). To trust or suspect? The role of advertising in the evaluation of trustworthiness of online information. Poster presented at the 6th European Communication Conference (ECREA), Prague, Czech Republic.
- Machackova, H., Cerna, A., & Dedkova, L. (2016, September). Beyond pro-ana and pro-mia: Adolescent members of thinness-oriented online communities. Poster presented at the XV biennial conference of European Association for Research on Adolescence (EARA), Cadiz, Spain.
- Machackova, H., Dedkova, L. & Smahel, D. (2016, November). Parental worries about the bullying of their children. Presented at the conference 21th Workshop on Aggression, Oradea, Romania.
2015
- Černíková, M., & Dědková, L. (2015, May). Meeting strangers online: Children´s perspectives. Presented at the conference Youth and Digital Media 2015, Akureyri, Island.
- Dedkova, L., Machackova, H., & Smahel, D. (2015, November). The role of user characteristics in detecting potentially unwanted applications in internet security software. Presented at Cyberspace conference, Brno, Czech Republic.
2014
- Cerna, A., Dedkova, L, & Machackova, H. (2014, May). Cyberbullying victims: Mediation and coping. Poster presented at Cyberbullying: A Challenge for researchers and practitioners, Gothenburg, Sweden. Available here.
- Dedkova, L., Machackova, H., & Mezulanikova, K. (2014, November). Real and hypothetical cyberbullying bystanders: Do they tell the same story? Presented at the conference Social and Media Dimensions of Aggression, Berlin, Germany.
- Dedkova, L. , Machackova, H., Sevcikova, A., & Cerna, A. (2014, May). Groups of cyberbullying victims: Differentiating role of harm extent. Poster presented at Cyberbullying: A Challenge for researchers and practitioners, Gothenburg, Sweden. Available here.
- Machackova, H. & Dedkova, L. (2014, March). Cyberbullying victims: Coping strategies and victimization context. Poster presented at SRA Biennial Meeting, Austin, Texas, USA. Available here.
- Machackova, H., Dedkova, L., & Mezulanikova, K. (2014, November). Bystander effect in cyberbullying incidents. Presented at the conference Social and Media Dimensions of Aggression, Berlin, Germany.
- Machackova, H, Dedkova, L., Sevcikova, A., & Cerna, A. (2014, May). Cyberbystanders’ empathic response: The context matters! Poster presented at Cyberbullying: A Challenge for researchers and practitioners, Gothenburg, Sweden.
- Macháčková, H., Dědková, L., Ševčíková, A., & Černá, A. (2014, November). Active and Passive Cyber-Bystanders: What is the Difference? Presented at the conference Cyberspace, Brno, Czech Republic.
2013
- Černá, A., Dědková, L., Daneback, K., Ševčíková, A., & Macháčková, H. (2013, September). This can’t hurt me: How the quality of relationship with peers and parents helps the victim to overcome cyberbullying. Presented at XVI th European Conference on Developmental Psychology, Lausanne, Switzerland.
- Macháčková, H & Dědková, L. (2013, September). Personal self-disclosure in online communities: Role of members´ self-disclosure, online disinhibition and perceived risk among Czech adolescents. Poster presented at XVI th European Conference on Developmental Psychology, Lausanne, Switzerland.
- Dedkova, L. & Janasova, K. (2013, September). Negative experiences with meeting online strangers: Adolescent girls’ risk prevention. Presented at XVI th European Conference on Developmental Psychology, Lausanne, Switzerland. Available here.
- Dědková, L., & Macháčková, H. (2013, March). The risk of online communities: Who is prone to behavioral change by community members? Presented at UCSIA international workshop Youth 2.0: Connecting, Sharing and Empowering?, Antwerp, Belgium. Available here.
- Machackova, H. & Dedkova, L. (2013). Risky online communities in the Czech Republic. Presented at the Conference Social Processes & Personality, Třešť, Czech Republic. Available here.
- Macháčková, H., & Dědková, L. (2013, April). Online groups in early adolescence: Perceived importance and influence, online behavior and moderating role of online/offline interaction. Poster presented at 2013 Society for Research in Child Development Biennial Meeting, Seattle, Washington, USA. Available here.
2012
- Macháčková, H., Ševčíková, A., Dědková, L., & Černá, A. (2012, June). The effectiveness of coping strategies used by cyberbullying victims. Poster presented at International Conference on Cyberbullying, Paris, France. Available here.
- Ševčíková, A., Macháčková, H., Dědková, L., & Černá, A. (2012, October). Cyberbullying: Does the perception of harm and the length of victimization matter? Poster presented at International Conference on Cyberbullying, Vienna, Austria. Available here.
2011
- Machackova, H. & Dedkova, L. (2011, November). Cyberbullying victims: Telling parents and peers. Presented at the conference Cyberspace 2011, Brno, Czech Republic.
Stať ve sborníku
2014
- Machackova, H., & Dedkova, L. (2014). Self-disclosure in online communities. In XVI European Conference on Developmental Psychology (pp. 145-147). Bologna, Italy: Medimond.
2012
- Šmahel, D., Helsper, E. J., Barbovschi, M., & Dědková, L. (2012). Meeting Online Strangers among European Children. In 15th European Conference on Developmental Psychology proceedings (pp. 419-422). Bologna, Italy: Medimond.
Popularizace
2023
- Dědková, L., & Mýlek, V. (2023, February 22). How effective are parenting strategies when it comes to meeting people online? [blogpost] Dostupné zde.
- Dědková, L., v podcastu. Šťastná, L. (2023, February 17). Rozpravy 2023/02: Média, rodiče a děti. Rozpravy o médiích. Dostupné zde.

Lenka Dědková, Ph.D.
E-mail: ldedkova@fss.muni.cz
ResearchGate: Lenka Dedkova
ORCID: 0000-0002-0807-1183
Oblasti výzkumného zájmu
- rodičovská mediace používání internetu
- online vztahy
- osobní setkání s neznámými lidmi z internetu
- metodologie výzkumu na internetu
- online bezpečnost