2025

• Jaron Bedrosova, M., Tercova, N., De Coninck, D., Pyżalski, J., Waechter, N., & Machackova, H. (2025). Adolescents’ intentional and unintentional cyberhate exposure in Estonia, Finland, Germany, Italy, Poland, and Portugal: The role of perceived discrimination and digital literacy. Journal of Children and Media, 1–20. https://doi.org/10.1080/17482798.2025.2480091
• Kvardova, N., Machackova, H., Maes, Ch. & Vandenbosch, L. (2025). Navigating Beauty Standards on Social Media: Impact of Appearance Activity on Adolescents’ Body Dissatisfaction. Journal of Youth and Adolescence. https://doi.org/10.1007/s10964-025-02159-y
• Šaradín Lebedíková, M., Šmahel, D. & Macháčková, H. (2025). The Role of Digital Skills in Adolescent Sexting: An Exploratory Study. Comunicar: Revista Científica de Comunicación y Educación, n. 81, v. XXXIII, 2025. https://dx.doi.org/10.58262/C81-2025-03

2024

• Jaron Bedrosova, M., Dufkova, E., Machackova, H., Huang, Y., & Blaya, C. (2024). Bias-based cyberaggression related to origin, religion, sexual orientation, gender, and weight: Systematic review of young people’s experiences, risk and protective factors, and the consequences. Trauma, Violence, & Abuse, 0(0). https://doi.org/10.1177/15248380241275971
• Lacko, D., Machackova, H. & Slavík, L. (2024). Adolescents' perceptions of the credibility of informational content on fitness and dietary supplements: The impact of banner and native advertising. Journal of Adolescence (August 2024). https://doi.org/10.1002/jad.12394
• Lacko, D., Machackova, H. & Smahel, D. (2024). Does violence in video games impact aggression and empathy? A longitudinal study of Czech adolescents to differentiate within- and between-person effects. Computers in Human Behavior, 159, 108341. https://doi.org/10.1016/j.chb.2024.108341
• Machackova, H., Jaron Bedrosova, M., Muzik, M., Zlamal, R., Fikrlova, J., Literova, A., Dufkova, E., Smahel, D., Boomgaarden, H., Song, H., Tolochko, P., d'Haenens, L., Joris, W., Kalmus, V., Tikerperi, M.-L., Opermann, S., Napp, M., Soidla, I., Uibos, A., Soo, K., ... & Helsper, E. J. (2024). Digital skills among youth: A dataset from a three-wave longitudinal survey in six European countries. Data in Brief, 54, 110396. https://doi.org/10.1016/j.dib.2024.110396

2023

• Bedrosova, M., Kvardova, N., & Machackova, H. (2023). Bystanders’ Victim Blaming and Minimizing Consequences of Weight-Based Cyberhate Attacks: The Roles of anti-Fat Attitudes, Body-Positive Online Content, and Gender. Journal of Interpersonal Violence, 38(9-10), 6915-6941. https://doi.org/10.1177/08862605221140037   https://osf.io/sxkg4
• Görzig, A., Blaya, C., Bedrosova, M., Audrin, C., & Machackova, H. (2023). The amplification of cyberhate victimisation by discrimination and low life satisfaction: Can supportive environments mitigate the risks? The Journal of Early Adolescence, 43(1), 5–36. https://doi.org/10.1177/02724316221078826
• Kvardová, N., Lacko, D. & Machackova, H. (2023). The validity of the Czech version of Body Appreciation Scale-2 for adolescents. Journal of Eating Disordorders, 11(176), 1-15. https://doi.org/10.1186/s40337-023-00897-7 https://osf.io/ybkvn/
• Kvardova, N., Macháčková, H., & Güleç, H. (2023). ‘I wish my body looked like theirs!’: How positive appearance comments on social media impact adolescents’ body dissatisfaction. Body Image, 47, 101630. https://doi.org/10.1016/j.bodyim.2023.101630  https://osf.io/upxjn/ https://osf.io/4gjky
• Lacko, D., Machackova, H., & Dufková, E. (2023). Does aggressive commentary by streamers during violent video game affect state aggression in adolescents? New Media & Society.  Online first. https://doi.org/10.1177/14614448231182620  https://osf.io/d29xc/ https://osf.io/anhsg
• Smahel, D., Gulec, H., Lokajova, A., Dedkova, L., & Machackova, H. (2023). 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 20(6), 1–18. https://doi.org/10.1080/17405629.2022.2135501

2022

• Bedrosova, M., Machackova, H., Serek, J., Smahel, D., & Blaya, C. (2022). The relation between the cyberhate and cyberbullying experiences of adolescents in the Czech Republic, Poland, and Slovakia. Computers in Human Behavior, 126, 107013, 1-13. https://doi.org/10.1016/j.chb.2021.107013
• Drtilova, H., Machackova, H., & Smahelova, M. (2022). Evaluation of web-based health information from the perspective of women with eating disorders: Thematic analysis. Journal of Medical Internet Research, 24(6). https://doi.org/10.2196/31148​
• Kvardova, N., Machackova, H., & Smahel, D. (2022). A moderated mediation model for body-positive online content and body image among adolescents. Body Image, 42, 370-374. https://doi.org/10.1016/j.bodyim.2022.07.002 https://osf.io/pv53r
• 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

• 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
• Kvardova, N., Smahel, D., Machackova, H., & Subrahmanyam, K. (2021). Who is exposed to harmful online content? The role of risk and protective factors among Czech, Finnish, and Spanish adolescents. Journal of Youth and Adolescence, 50, 2294-2310. https://doi.org/10.1007/s10964-021-01422-2
• Sevcikova, A., Vasek, D., Blinka, L., Machackova, H., & Jezek, S. (2021). Markers of sexual life and health in association with internet use for sexual purposes in Czechs aged 50 and older. Sexuality Research and Social Policy, 18, 355-367. http://dx.doi.org/10.1007/s13178-020-00463-9

2020

• Kvardova, N., Machackova, H., & Smahel, D. (2020). The direct and indirect effects of online social support, neuroticism, and web content internalization on the drive for thinness among women visiting health-oriented websites. International Journal of Environmental Research and Public Health, 17(7). https://doi.org/10.3390/ijerph17072416
• Lakomy, M., Hlavova, R., Machackova, H., Bohlin, G., Lindholm, M., Bertero, M. G., & Dettenhofer, M. (2020). The motivation for citizens’ involvement in life sciences research is predicted by age and gender. PLOS ONE, 15(8), 1-17. http://dx.doi.org/10.1371/journal.pone.0237140
• Machackova, H. (2020). Bystander reactions to cyberbullying and cyberaggression: individual, contextual, and social factors. Current Opinion in Psychology, 36, 130-134. https://doi.org/10.1016/j.copsyc.2020.06.003
• Machackova H., & Tkaczyk, M. (2020). The effect of media and political beliefs and attitudes on trust in political institutions: A multilevel analysis on data from 21 European countries. Communication Today, 11(2), 65-83. https://is.muni.cz/publication/1701858/05_MACHACKOVA_TKACZYK_CT-2-2020.pdf
• 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

2019

• Almenara, C. A., Machackova, H., & Smahel, D. (2019). Sociodemographic, attitudinal, and behavioral correlates of using nutrition, weight loss, and fitness websites: An online survey. Journal of Medical Internet Research, 21(4), e10189. http://dx.doi.org/10.2196/10189
• Görzig, A., Bedrosova, M., & Machackova, H. (2019). Do stereotypes of mental and developmental disorders predict bystander intentions in cyberbullying? An application of the stereotype content model. International Journal of Developmental Science, 13(3-4), 83-95. https://doi.org/10.3233/DEV-190270
• Lakomý, M., Hlavová, R., & Machackova, H. (2019). Open science and the science-society relationship. Society, 56, 246-255. https://doi.org/10.1007/s12115-019-00361-w
• Smahel, D., Elavsky, S., & Machackova, H. (2019). Functions of mHealth applications: A user’s perspective. Health informatics journal, 25(3), 1065-1075. https://doi.org/10.1177/1460458217740725

2018

• 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
• Machackova, H., & Smahel, D. (2018). The perceived importance of credibility cues for the assessment of the trustworthiness of online information by visitors of health-related websites: The role of individual factors. Telematics and Informatics, 35, 1534-1541. http://dx.doi.org/10.1016/j.tele.2018.03.021
• Šerek, J., Machackova, H., & Macek, P. (2018). Who crosses the norms? Predictors of the readiness for non-normative political participation among Czech adolescents. Journal of Adolescence, 62, 18-26. https://doi.org/10.1016/j.adolescence.2017.11.001
• 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

• Elavsky, S., Smahel, D., & Machackova, H. (2017). Who are mobile app users from healthy lifestyle websites? Analysis of patterns of app use and user characteristics. Translational Behavioral Medicine, 7, 891–901. https://doi.org/10.1007/s13142-017-0525-x
• Macháčková, H., & Šerek, J. (2017). Does ‘clicking’ matter? The role of online participation in adolescents’ civic development. Cyberpsychology: Journal of Psychosocial Research on Cyberspace, 11(4), article 5. http://dx.doi.org/10.5817/CP2017-4-5
• Šerek, J., & Machackova, H. (2017). The role of school climate and personality in the development of Czech adolescents’ political self-efficacy. Applied Developmental Science, 23(3), 203-213. https://doi.org/10.1080/10888691.2017.1364163
• Šerek, J., Machackova, H., & Macek, P. (2017). The chicken or egg question of adolescents’ political involvement: Longitudinal analysis of the relation between adolescents’ political participation, efficacy, and political interest. Zeitschrift für Psychologie, 225, 347-356. https://doi.org/10.1027/2151-2604/a000297
• 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

• Almenara, C. A., Machackova, H., & Smahel, D. (2016). Individual differences associated with exposure to ‘‘ana-mia’’ websites: An examination of adolescents from 25 European countries. Cyberpsychology, Behavior, and Social Networking, 19, 475-480. http://dx.doi.org/10.1089/cyber.2016.0098
• 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
• Juhová, D., Macháčková, H., Šerek, J., & Macek, P. (2016). Vliv individuálních faktorů a školního prostředí na vnímaný přínos školních diskusí o celospolečenských tématech [The influence of individual characteristics and school environment on perceptions of the benefits of school discussions about civic issues]. E-psychologie, 10(3), 13-25.
• 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
• Machackova, H., & Pfetsch, J. (2016). Bystanders’ responses to offline bullying and cyberbullying: The role of empathy and normative beliefs about aggression. Scandinavian Journal of Psychology, 57, 169–176. http://dx.doi.org/10.1111/sjop.12277
• Macková, A., Macháčková, H., Macek, J., & Šerek, J. (2016). When age matters: Patterns of participative and communicative practices in the Czech Republic. Communication Today, 7(2), 46-65.
• 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

• Barbovschi M., Macháčková, H., & Ólafsson, K. (2015). Underage use of social network sites: It’s about friends. Cyberpsychology, Behavior, and Social Networking, 18, 328-332. http://dx.doi.org/10.1089/cyber.2014.0553
• 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
• Šerek, J., & Machackova, H. (2015). Predicting online and offline civic participation among young Czech Roma: The roles of resources, community perceptions and social norms. Journal of Ethnic and Migration Studies, 41, 2173-2191. http://dx.doi.org/10.1080/1369183X.2015.1049590
• 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

• Šerek, J., & Machackova, H. (2014). Online only: Which Czech young adults prefer online civic participation? Cyberpsychology: Journal of Psychosocial Research on Cyberspace, 8(3), article 6. http://dx.doi.org/10.5817/CP2014-3-6

2013

• 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
• Sevcikova, A., Serek, J., Machackova, H. & Smahel, D. (2013). The extent matters: Exposure to sexually explicit materials among Czech adolescents. Journal of Early Adolescence, 33, 1048-1071. http://dx.doi.org/10.1177/0272431613483004. Available here.

2012

• Vazsonyi, A. T., Machackova, H., Sevcikova, A., Smahel, D., & Cerna, A. (2012). Cyberbullying in context: Direct and indirect effects by low self-control across 25 European countries. European Journal of Developmental Psychology, 9, 210-227. http://dx.doi.org/10.1080/17405629.2011.644919. Available here.

2009

• Machackova, H. & Blinka, L. (2009). Význam členství v online fanouškovské komunitě pro adolescenty [Importance of online fan communities for adolescents]. Sociální studia, 6(2), 37-53. Available here.

2018

• Šmahel, D., Macháčková, H., Šmahelová, M., Čevelíček, M., Almenara, C. A., & Holubčíková, J. (2018). Digital technology, eating behaviors, and eating disorders. New York: Springer.

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.

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.

2016

• Görzig, A. & Machackova, H. (2016). Cyberbullying in Europe: A review of evidence from cross-national data.  In M. F. Wright (Ed.), A social-ecological approach to cyberbullying (pp. 295-326). Hauppauge: Nova Publishing.

2015

• Machackova, H. (2015). Online communities and early adolescents. 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. 62-77). Brno: Muni Press. Available here.
• Machackova, H., Cernikova, M., Smahel, D., & Ocadlikova, Z. (2015). Children’s privacy management on social network sites. 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. 95-109). Brno: Muni Press. Available here.

2014

• Macháčková, H. (2014). Online komunity: v čem představují rizika pro dospívající? [Online communities: What are their risks for adolescents?]. In A. Ševčíková (Ed.), Děti a dospívající online: Vybraná rizika používání internetu [Youth online: Selected risks of internet use]. Praha: Grada.
• Macháčková, H. (2014). Soukromí a sebe-odkrývání na online sociálních sítích [Privacy and self-disclosure on online social network sites]. In A. Ševčíková (Ed.), Děti a dospívající online: Vybraná rizika používání internetu [Youth online: Selected risks of internet use]. Praha: Grada.

2025

• Smahel, D., Šaradín Lebedíková, M., Lacko, D., Kvardová, N., Mýlek, V., Tkaczyk, M., Svestkova, A., Gulec, H., Hrdina, M., Machackova, H., & Dedkova, L. (2025). Tech & Teens: Insights from 15 Studies on the Impact of Digital Technology on Well-Being. EU Kids Online. 

2023

• Machackova, H., Jaron Bedrosova, M., Tolochko, P., Muzik, M., Waechter, N., & Boomgaarden, H. (2023). Digital skills among children and youth: A report from a three-wave longitudinal study in six countries. KU Leuven: ySKILLS. https://doi.org/10.5281/zenodo.8304512
• Mýlek, V., Dědková, L., Šestauber, J., & Macháčková H. (2023). Adolescents’ face-to-face meetings with online acquaintances. Brno: Masaryk university.
• Smahel, D., Mascheroni, G., Livingstone, S., Helsper, E. J., van Deursen, A., Tercova, N., Stoilova, M., Georgiou, M., Machackova, H., & Alho, K. (2023). Theoretical Integration of ySKILLS: Towards a New Model of Digital Literacy. KU Leuven: ySKILLS. https://doi.org/10.5281/zenodo.10090717

2022

• Vissenberg, J., Spurava, G., Terčová, N., Morávková, H., Bedrošova, M., Bossens, E., Macháčková, Ha., Kotilainen, S., & d'Haenens, L. (2022). Report on the role of critical information skills in recognising mis- and disinformation. KU Leuven, Leuven: ySKILLS.

2020

• Machackova, H., Blaya, C., Bedrosova, M., Smahel, D., & Staksrud, E. (2020). Children’s experiences with cyberhate. EU Kids Online. https://doi.org/10.21953/lse.zenkg9xw6pua
• 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
• Zlamal, R., Machackova, H., Smahel, D., Abramczuk, K., Ólafsson, K., & Staksrud, E. (2020). EU Kids Online 2020: Technical report. EU Kids Online. https://doi.org/10.21953/lse.04dr94matpy7

2019

• Dědková, L., Macháčková, H., Hlavová, R., Bedrošová, M., Horák, O., & Danhofer, P. (2019). Chování dospívajících s epilepsií na internetu 2018. Brno: Masaryk University.

2018

• Bedrošová, M., Hlavová, R., Macháčková, H., Dedkova, L., & Šmahel, D. (2018). Czech children on the internet: Report from a survey at primary and secondary schools. Project EU Kids Online IV – the Czech Republic. Brno: Masaryk University.
• Lakomý, M., Bohlin, G., Hlavová, R., Macháčková, H., Bergman, M., & Lindholm, M. (2018). Public attitudes to life sciences research in 6 European countries (ORION project Deliverable No. 2.3). Stockholm: VA.
• Nehybková, E., Šmahelová, M., Čevelíček, M., Šmahel, D., Drtilová, H., & Macháčková, H. (2018). Digitální technologie a poruchy příjmu potravy. Výzkumná zpráva [Digital technology and eating disorders. Research report.] Brno: Masaryk University. Available here.

2017

• Macháčková, H., & Šmahel, D. (2017). Zdraví a internet: Co lidé dělají na online stránkách o stravování a cvičení? [Health and the internet: What people do on websites about eating and exercise?] Brno: Masarykova univerzita. Available here.

2016

• Juhová, D., Scott, Z., Macháčková, H., Šerek, J., &  Macek, P. (2016). Psychologické aspekty občanské participace adolescentů: Srovnání výsledků z let 2014 a 2015 [Psychological aspects of adolescent civic participation: Comparisons of findings from 2014 and 2015].

2015

• Görzig, A., & Machackova, H. (2015). Cyberbullying from a socio-ecological perspective: A contemporary synthesis of findings from EU Kids Online (Media@LSE Working Paper Series, No. 36). London: LSE. Available here.
• 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.
• Šerek, J., Macháčková, H., & Scott, Z. (2014). Psychologické aspekty občanské participace adolescentů. Zpráva z výzkumného projektu [Psychological aspects of adolescent civic participation]. Available here.

2013

• Macháčková, H., Dědková, L., Ševčíková, A., & Černá, A. (2013). Online Harassment and Cyberbullying II. An extended report on the “Coping strategies in adolescents facing cyberbullying”. 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.

2024

• Jaron Bedrosova, M., Kvardova, N., Machackova, H., & Matthes, J. (2024). What affects bystanders’ responses towards cyberhate in social media news? An experimental study of hate against plus-size people. Presented at the 28th Workshop on Aggression, Nottingham, United Kingdom.  Available here.
• Křížová, N., Kvardová, N., & Macháčková, H. (2024, June 11-13). Empowerment or Pressure? Exploring the Impact of Female Body Depictions in Body Positivity InstagramPosts on Self-Objectification [Poster presentation] Presented at Appearance Matters Conference 10, Bristol, United Kingdom. Available here.
• Kvardová, N., Machackova, H., Maes, C., & Vadenbosch, L. (2024, September 25-28). Navigating Beauty Standards on Social Media: Impact of Appearance-Focused Activity on Adolescent Body Dissatisfaction. Presented at the 19th Conference of the European Association for Research on Adolescence 2024, Limassol, Cyprus. Available here.
• Lacko, D., Macháčková, H., & Šmahel, D. (2024, September 24-27). Within- and between-person effects of violence in video games on aggression and empathy. Presented at the 10th European Communication Conference (ECREA), Ljubljana, Slovenia. Available here.
• Macháčková, H. & Shukla, S. (2024, September 24-27). Adolescent Cyberaggression: Unveiling the Influence of Anonymity and Appetitive Cybermotives on Peers and Celebrities. Presented at the 10th European Communication Conference (ECREA), Ljubljana, Slovenia. Available here.
• Mužík, M., Jaroň Bedrošová, M., Mascheroni, G. & Macháčková, H. (2024, September 24-27). Are civically active youths prone to spreading misinformation? The role of perceived discrimination. Presented at the 10th European Communication Conference (ECREA), Ljubljana, Slovenia. Available here.

2023

• Jaron Bedrosova, M., Tercova, N., De Coninck, D., Pyżalski, J., Waechter, N., & Machackova, H. (2023). Adolescents‘ intentional and unintentional exposure to cyberhate: The role of digital skills and perceived discrimination. Presented at 27th Workshop on Aggression, London, United Kingdom. Available here.
• Lebedíková, M., Šmahel, D. , & Macháčková, H. (2023, July 13). The Role of Digital Skills in Wanted and Unwanted Sexting Among European Adolescents. Presented at the International Association for Media and Communication Research Conference - IAMCR2023 in Lyon, France. Available here.
• Macháčková, H. (2023, February 7). Online rizika u dětí a dospívajících (keynote). Prezentováno na Bezpečnost detí v digitálnom priestore, Katolícka Univerzita v Ružomberku, Slovakia.
• Machackova, H., Jaron Bedrosova, M., & Shukla, S. (2023). Adolescents’ responses to cyberaggression: The role of empathy, assertiveness, and attitudes toward cyberaggression. Presented at 27th Workshop on Aggression, London, United Kingdom.
• Shukla, S. & Machackova, H. (2023, July 3 – July 6). Helping or Not Helping: Understanding the role of Individual, Social, and Contextual factors among Bystanders in Cyberbullying. Presented at the 18^th European Congress of Psychology, Brighton, United Kingdom.

2022

• Bedrošová, M., Kvardová, N., & Macháčková, H. (2022). Bystanders’ victim blaming and minimizing consequences of weight-based cyberhate attacks: The roles of anti-fat attitudes, body-positive online content, and gender. Presented at 26th Workshop on Aggression, Jena, Germany. 
• Bedrošová, M., Terčová, N., Macháčková, H., & Pyzalski, J. (2022, October 19-22). Adolescents’ intentional and unintentional exposure to cyberhate: The role of digital skills. Presented at the 9th European Communication Conference (ECREA), Aarhus, Denmark. Available here.
• Kvardová, N., Macháčková, H., & Güleç, H. (2022, October 19-22). "I wish I'd have a body like that!": The effect of social media comments endorsing appearance ideals on body dissatisfaction of adolescents. Presented at the 9th European Communication Conference (ECREA), Aarhus, Denmark. Available here.
• Lacko, D., Dufková, E., & Macháčková, H. (2022, October 19-22). The effects of streamers' aggressive videogame narration on adolescents' state aggression and normative beliefs about aggression. Presented at the 9th European Communication Conference (ECREA), Aarhus, Denmark. Available here.
• 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. Available here.
• Waechter, N., & Macháčková, H. (2022, October 19-22). Increasing the explanatory power of results in longitudinal research on digital skills. Presented at the 9th European Communication Conference (ECREA), Aarhus, Denmark.

2021

• Bedrosova, M., Dufkova, E., & Machackova, H. (2021, November). A systematic review of empirical studies on risk and protective factors for cyberhate experiences of young people. Presented at 25th Workshop on Aggression, Turku, Finland.
• Bedrosova, M., Machackova, H., Serek, J., Smahel, D., Blaya, C., Izrael, P., Holdos, J., & Pyzalski, J. (2021, September). The cyberhate and cyberbullying experiences of children in Czechia, Poland and Slovakia: Testing the bifactor model. Presented at the 8th European Communication Conference (ECREA), online.
• Görzig, A., Blaya, C., Bedrosova, M., Audrin, C., & Machackova, H. (2021, November). The amplification of cyberhate victimisation by discrimination and low life satisfaction: Can supportive environments mitigate the risks?. Presented at 25th Workshop on Aggression, Turku, Finland.
• Kvardova, N., Smahel, D., Machackova, H., Garmendia, M., Kotilainen, S., & Okkonen, J. (2021, September). Who is exposed to harmful online content? The role of risk and protective factors among Czech, Finnish, and Spanish adolescents. Presented at the 8th European Communication Conference (ECREA), online.
• Lacko, D., & Machačková, H. (2021, November). The Influence of Online Advertising on Adolescents’ Perceived Credibility of Information Related to the Fitness/Dietary Supplements. Presented at Cyberspace conference, Brno, Czech Republic.
• 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.

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.
• Machackova, H., & Dedkova, L. (2019, November). Application of Bystander Intervention Model in Incidents of Cyberaggression. Presented at 24th Workshop on Aggression, Stavanger, Norway.
• Valkovicova, N., Kvardova, N., Smahel, D., & Machackova, H. (2019, November). Do Mobile Phone Bans Work? An Analysis of Phone-use Rules in Czech Schools. Presented at Cyberspace conference, Brno, Czech Republic.
  

2018

• Bedrošová, M., Macháčková, H., & Šmahel, D. (2018, November). Cyberhate in the context of online risk experiences among youth. Presented at the 7th European Communication Conference (ECREA), Lugano, Switzerland. 
• Dedkova, L., Machackova, H., & Smahel, D. (2018, October). České děti online. Výsledky výzkumu EU KIDS Online 2018 [Czech children online. Findings from EU KIds Online 2018]. Presented at conference Praha bezpečně online, Prague, Czech Republic.
• 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.
• Drtilová, H., Macháčková, H., & Šmahelová, M. (2018, November). The Credibility of Online Information from the Perspective of Women Suffering with Eating Disorders. Presented at Cyberspace conference, Brno, Czech Republic.
• Macháčková, H. & Šerek, J. (2018, November). The role of media in the perceptions of democracy across Europe. Poster presented at the 7th European Communication Conference (ECREA), Lugano, Switzerland.

2017

• Šmahelová, M., Macháčková, H., & Drtilová, H. (2017, November). The credibility of online health information from the perspective of adolescents and young adults: Quantitative and qualitative examination. Presented at the conference III International Congress of Clinical and Health Psychology on Children and Adolescents, Seville, Spain.

2016

• 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.
• Umemura, T., Šerek, J. & Machackova, H. (2016, September). Roles of parents in adolescents’ political attitudes: Mediating effects of general attitudes toward other people and society. Presented at the XV biennial conference of European Association for Research on Adolescence (EARA), Cadiz, Spain.

2015

• 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.
• Görzig, A. & Machackova, H. (2015, November). Cyber-bullying from a socio-ecological perspective: A review of evidence from cross-national data. Presented at the XXth Workshop Aggression: Future Challenges of Aggression Research, Linz, Austria.
• Machackova, H. & Pfetsch, J. S. (2015, November). Bystanders’ responses to bullying and cyberbullying: The role of empathy and normative beliefs about aggression. Presented at the XXth Workshop Aggression: Future Challenges of Aggression Research, Linz, Austria.

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

• Blinka, L. Macháčková, H. & Černá, A. (2013, March). Teenage blogosphere in the era of Facebook: a cluster analysis of what youth blog about. Presented at the conference Youth 2.0: connecting, sharing and empowering?, Antwerp, Belgium.
• 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.
• 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.
• Šerek, J., Petrovičová, Z., Macháčková, H., & Macek, P. (2012). Online civic participation among youth: An extension of traditional participation, or a new quality? Paper presented at the PIDOP Conference 2012, April 16-17, 2012, Guildford, UK. 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

• Černá, A., Vazsonyi, A.T., Šmahel, D., Ševčíková, A., & Macháčková, H. (2011, August). Cyberbullying in Context: Direct and Indirect Effects by Low Self-Control Across 25 European Countries. Preliminary results. Presented at European Conference on Developmental Psychology, Bergen, Norway.
• Machackova, H. & Blinka, L. (2011, February). Teen’s blogosphere in the Czech Republic: an identity playground of self-presentation and imagined audience. Presented at the conference Youth (Sub)cultures in Changing Societies, Tallinn, Estonia.
• Machackova, H. & Dedkova, L. (2011, November). Cyberbullying victims: Telling parents and peers. Presented at the conference Cyberspace 2011, Brno, Czech Republic.

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

• Ševčíková, A., Šerek, J., & Macháčková, H. (2012). Exposure to online  sexual materials and cross-country differences. In M. Strano, H. Harchovec, F. Sudweeks, & Ch. Ess. (Eds.), Proceedings of Eighth International Conference on Cultural Attitudes Towards Technology and Communication (pp. 502-513). Murdoch: Murdoch University.

2024

• Macháčková, H. (2024, February 11). Marušáková, E. Hranice anonymity má každý nastavené jinak, výzkumnice se pustila do jejich výzkumu. Magazín M. Available here. [Czech]

2022

• Macháčková, H. (2022, December 14). Online Anonymity as a Continually Challenging Concept in Media Psychology. APA Amplifier Magazine. [blogpost] Available here.