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Joaquín A Mora-Merchán

Biographic Data

ID1267247
NAMEJoaquín A Mora-Merchán
GIVEN NAMESJoaquín A
FAMILY NAMEMora-Merchán
SIGNATUREMORA-MERCHÁN J A
AFFILIATIONSUniversidad de Sevilla
ORCID0000-0002-8558-6965
VERIFIEDYes
TOTAL WORKS15
TOTAL CITATIONS60
AUTHOR COUNT15
EDITOR COUNT0
FIRST PUBLICATION YEAR1996
LATEST PUBLICATION YEAR2026
H-INDEX4
  • What factors shape bystanders’ defensive responses to non-consensual sexting? An approach from social and behavioral theoretical frameworks

    Open Access•Daniela Villa-Henao, Mónica Ojeda et al.•ARTICLE•Current Psychology•2026

    Non-consensual sexting (NCS) is a form of cyberviolence with serious consequences, particularly during adolescence—a developmental stage characterized by peer influence and identity formation. While conventional approaches focused on victims and perpetrators, increasing attention is being directed toward bystanders, who have the potential to intervene and disrupt these harmful dynamics. Unlike previous research, which often applies a single theor…

  • Longitudinal associations between cyberbullying and cyberhate: The role of online empathy and moral disengagement

    Open Access•Olga Jiménez-Díaz, Marie Jaron Bedrosova et al.•ARTICLE•Technology in Society•2026

    Cyberbullying and cyberhate are two forms of cyberaggression that share several characteristics but differ in key aspects such as repetition, power imbalance, and the nature of their targets. Although often examined separately, their potential overlaps and the psychological mechanisms that distinguish them require further investigation. In this context, online empathy and moral disengagement may offer insight into the shared and distinct emotiona…

  • Defender, Passive, and Pro-Bully: Exploring Bystanders’ Intentions toward Cyberbullying

    Open Access•Cirenia Quintana-Orts, Ana Alcántara-Lázaro et al.•ARTICLE•Psychosocial Intervention•2026

    Objective: The present study examines the usefulness of the Theory of Planned Behavior (TPB) in explaining three distinct responses to cyberbullying among adolescents: defending, pro-bully, and passive intentions. A model was constructed to assess intentions, including control variables (gender, age, cyberbullying victimization, and perpetration experiences), social norms (family, friends, and teachers), attitude toward helping cyberbullying vict…

  • Understanding Bystanders’ Reactions to Cyberbullying: An Approach From the Theory of Normative Social Behavior

    Open Access•Ana Alcántara-Lázaro, Ana A Alcántara-Lázaro et al.•ARTICLE•Youth & Society•2026•References: 85

    Bystander responses are crucial to understanding cyberbullying dynamics, yet further research is needed to clarify which factors shape them. This study extends prior work based on the Theory of Normative Social Behavior (TNSB) by testing its explanatory power across defender, reinforcing, and passive profiles while incorporating mediators such as empathy, parental supervision, toxic online disinhibition, and need for popularity. Participants were…

  • Understanding Bystander’s Response and Intentions in Non-Consensual Sexting: Insights from the Theory of Normative Social Behavior

    Open Access•Daniela Villa-Henao, Mónica Ojeda et al.•ARTICLE•Archives of Sexual Behavior•2026•References: 115

    Non-consensual sexting entails the dissemination of erotic-sexual content without the consent of the original sender. Previous research has mainly focused on understanding the behavior of victims and aggressors. However, bystanders have been found to exert a key role in the psychosocial dynamics of this type of cyberviolence. Thus, it is essential to enhance our understanding of bystander response patterns by examining theoretical frameworks cond…

  • Behind Nonconsensual Sexting Among Adolescents: Victim‐to‐Perpetrator Dynamic and the Moderating Roles of Empathy and Toxic Online Disinhibition

    Open Access•Daniela Villa-Henao, Sebastian Wach et al.•ARTICLE•Human Behavior and Emerging…•2025

    Social networks have become integral to adolescent communication, with sexting—defined as the exchange of sexual content—emerging as a common practice. While consensual sexting is often viewed as a form of sexual expression, nonconsensual sexting represents a significant type of digital violence. This study examined the relationship between NCS victimization and perpetration among adolescents and explored the moderating roles of empathy and toxic…

  • Associations Between Searching and Sending Cyberhate: The Moderating Role of the Need of Online Popularity and Toxic Online Disinhibition

    Open Access•Olga Jiménez-Díaz, Sebastian Wach et al.•ARTICLE•Cyberpsychology Behavior and…•2025

    Cyberhate, also known as hate speech, has emerged as a significant global concern. Existing research suggests that adolescents are primarily involved in cyberhate as bystanders, mainly unintentionally. However, there is growing evidence that some adolescents intentionally search for such content. Some indications suggest that actively searching for cyberhate may align more closely with sending it than mere exposure, hinting at a potentially risky…

  • Understanding bystanders’ behaviour to cyberhate: An explanatory approach from the theory of normative social behaviour

    Open Access•Olga Jiménez-Díaz, Joaquín A Mora-Merchán et al.•ARTICLE•Cyberpsychology Journal of…•2025

    Cyberhate is a new form of cyberviolence among adolescents with high social and scientific concern. Although previous research has examined aggressors and victims, far less attention has been given to bystanders. Examining how adolescents respond when witnessing cyberhate, and the factors that shape these behaviours, is essential within a solid theoretical framework. For that, this study aims to 1) find out the responses of adolescent bystanders …

  • Sexual Diversity Bullying and Cyberbullying Questionnaires: An Inclusive Approach to Measure Sexuality-Based Bullying

    Noelia Muñoz‐fernández, Noelia Muñoz-Fernández et al.•ARTICLE•Journal of Homosexuality•2024•Cited by: 2•References: 58

    LGBTQ+ bullying is a specific type of stigma-based bullying with a high prevalence among LGBTQ+ people. However, instruments to assess this phenomenon are scarce and focus on homophobic aggressions, and the motivations therefor, mainly in relation to gay and lesbian youths. In this study, we introduce and validate an instrument to assess LGBTQ+ bullying. The instrument covers general and specific aggressions, as well as dimensions of sexuality be…

  • Bully-victims in bullying and cyberbullying: An analysis of school-level risk factors

    Open Access•Cirenia Quintana-Orts, Joaquín A Mora-Merchán et al.•ARTICLE•Social Psychology of Education•2023•Cited by: 5•References: 3

  • Bullying is bullying, if they want to say it's because of being LGBT that's another story’: Perceptions of educators on LGBTQ+ bullying

    Open Access•Paz Elipe, Dolores T Sutil et al.•ARTICLE•Teaching and Teacher Education•2023•Cited by: 3•References: 6

  • Asegúrate' Program: Effects on cyber-aggression and its risk factors

    Open Access•Rosario Del Rey, Joaquín A Mora-Merchán et al.•ARTICLE•Comunicar•2018•Cited by: 4•References: 5

    Intervention against cyberbullying and other risks associated with the misuse of ITC and social networks is an important social demand. The «Asegúrate» Program tries to support teachers in this intervention. This research shows the impact of the program among those that have shown to be less sensitive to other ones: cyber-aggressors. Concretely, the impact of the program on the prevalence of aggression in cyberbullying and bullying, sexting and a…

  • The Emotional Impact of Bullying and Cyberbullying on Victims: A European Cross‐National Study

    Open Access•Ricardo Ortega Ruiz, Rosário Ortega et al.•ARTICLE•Aggressive Behavior•2012•Cited by: 16•References: 43

    Past research has demonstrated the effects of bullying can be severe and long term for the individuals involved. The main aim of this study is to analyze the emotional impact on victims of traditional bullying, both direct and indirect forms, and of cyberbullying through mobile phones and the Internet. A sample of 5,862 adolescents from three different countries, I taly (N = 1,964), S pain (N = 1,671), and E ngland (N = 2,227), responded to a que…

  • Friendship and loneliness among bullies and victims: Data from seven countries

    Open Access•Mike Eslea, Ersilia Menesini et al.•ARTICLE•Aggressive Behavior•2004•Cited by: 26•References: 22

    Research suggests that the relationship between school bullying and its various risk factors should be clearer among girls than boys, and should become stronger with age, as roles within the peer group stabilise. This paper tests this theory by comparing sex, school type, and bully/victim status differences in friendships and playground social interactions, using data from nine surveys in seven countries: China, England, Ireland, Italy, Japan, Po…

  • El aula como escenario de la vida afectiva y moral

    Open Access•Ricardo Ortega Ruiz, Rosário Ortega et al.•ARTICLE•Culture and Education•1996•Cited by: 4

    El problema de las relaciones de maltrato y abuso que tienen lugar a veces entre los escolares, dentro del marco de convivencia del sistema escolar, es un tema, hasta ahora poco estudiado, que sin embargo, se vuelve cada vez más preocupante dados los altos índices de violencia juvenil que se observan. Para los que estamos interesados en el análisis de los procesos educativos, este tema es de gran relevancia porque nos plantea retos que van más al…

  • Friendship and loneliness among bullies and victims: Data from seven countries

    Open Access•Mike Eslea, Ersilia Menesini et al.•ARTICLE•Aggressive Behavior•2004•Cited by: 26•References: 22

    Research suggests that the relationship between school bullying and its various risk factors should be clearer among girls than boys, and should become stronger with age, as roles within the peer group stabilise. This paper tests this theory by comparing sex, school type, and bully/victim status differences in friendships and playground social interactions, using data from nine surveys in seven countries: China, England, Ireland, Italy, Japan, Po…

  • The Emotional Impact of Bullying and Cyberbullying on Victims: A European Cross‐National Study

    Open Access•Ricardo Ortega Ruiz, Rosário Ortega et al.•ARTICLE•Aggressive Behavior•2012•Cited by: 16•References: 43

    Past research has demonstrated the effects of bullying can be severe and long term for the individuals involved. The main aim of this study is to analyze the emotional impact on victims of traditional bullying, both direct and indirect forms, and of cyberbullying through mobile phones and the Internet. A sample of 5,862 adolescents from three different countries, I taly (N = 1,964), S pain (N = 1,671), and E ngland (N = 2,227), responded to a que…

  • Bully-victims in bullying and cyberbullying: An analysis of school-level risk factors

    Open Access•Cirenia Quintana-Orts, Joaquín A Mora-Merchán et al.•ARTICLE•Social Psychology of Education•2023•Cited by: 5•References: 3

  • Asegúrate' Program: Effects on cyber-aggression and its risk factors

    Open Access•Rosario Del Rey, Joaquín A Mora-Merchán et al.•ARTICLE•Comunicar•2018•Cited by: 4•References: 5

    Intervention against cyberbullying and other risks associated with the misuse of ITC and social networks is an important social demand. The «Asegúrate» Program tries to support teachers in this intervention. This research shows the impact of the program among those that have shown to be less sensitive to other ones: cyber-aggressors. Concretely, the impact of the program on the prevalence of aggression in cyberbullying and bullying, sexting and a…

  • El aula como escenario de la vida afectiva y moral

    Open Access•Ricardo Ortega Ruiz, Rosário Ortega et al.•ARTICLE•Culture and Education•1996•Cited by: 4

    El problema de las relaciones de maltrato y abuso que tienen lugar a veces entre los escolares, dentro del marco de convivencia del sistema escolar, es un tema, hasta ahora poco estudiado, que sin embargo, se vuelve cada vez más preocupante dados los altos índices de violencia juvenil que se observan. Para los que estamos interesados en el análisis de los procesos educativos, este tema es de gran relevancia porque nos plantea retos que van más al…

  • Bullying is bullying, if they want to say it's because of being LGBT that's another story’: Perceptions of educators on LGBTQ+ bullying

    Open Access•Paz Elipe, Dolores T Sutil et al.•ARTICLE•Teaching and Teacher Education•2023•Cited by: 3•References: 6

  • Sexual Diversity Bullying and Cyberbullying Questionnaires: An Inclusive Approach to Measure Sexuality-Based Bullying

    Noelia Muñoz‐fernández, Noelia Muñoz-Fernández et al.•ARTICLE•Journal of Homosexuality•2024•Cited by: 2•References: 58

    LGBTQ+ bullying is a specific type of stigma-based bullying with a high prevalence among LGBTQ+ people. However, instruments to assess this phenomenon are scarce and focus on homophobic aggressions, and the motivations therefor, mainly in relation to gay and lesbian youths. In this study, we introduce and validate an instrument to assess LGBTQ+ bullying. The instrument covers general and specific aggressions, as well as dimensions of sexuality be…

  • El aula como escenario de la vida afectiva y moral

    Open Access•Ricardo Ortega Ruiz, Rosário Ortega et al.•ARTICLE•Culture and Education•1996•Cited by: 4

    El problema de las relaciones de maltrato y abuso que tienen lugar a veces entre los escolares, dentro del marco de convivencia del sistema escolar, es un tema, hasta ahora poco estudiado, que sin embargo, se vuelve cada vez más preocupante dados los altos índices de violencia juvenil que se observan. Para los que estamos interesados en el análisis de los procesos educativos, este tema es de gran relevancia porque nos plantea retos que van más al…

  • Friendship and loneliness among bullies and victims: Data from seven countries

    Open Access•Mike Eslea, Ersilia Menesini et al.•ARTICLE•Aggressive Behavior•2004•Cited by: 26•References: 22

    Research suggests that the relationship between school bullying and its various risk factors should be clearer among girls than boys, and should become stronger with age, as roles within the peer group stabilise. This paper tests this theory by comparing sex, school type, and bully/victim status differences in friendships and playground social interactions, using data from nine surveys in seven countries: China, England, Ireland, Italy, Japan, Po…

  • The Emotional Impact of Bullying and Cyberbullying on Victims: A European Cross‐National Study

    Open Access•Ricardo Ortega Ruiz, Rosário Ortega et al.•ARTICLE•Aggressive Behavior•2012•Cited by: 16•References: 43

    Past research has demonstrated the effects of bullying can be severe and long term for the individuals involved. The main aim of this study is to analyze the emotional impact on victims of traditional bullying, both direct and indirect forms, and of cyberbullying through mobile phones and the Internet. A sample of 5,862 adolescents from three different countries, I taly (N = 1,964), S pain (N = 1,671), and E ngland (N = 2,227), responded to a que…

  • Asegúrate' Program: Effects on cyber-aggression and its risk factors

    Open Access•Rosario Del Rey, Joaquín A Mora-Merchán et al.•ARTICLE•Comunicar•2018•Cited by: 4•References: 5

    Intervention against cyberbullying and other risks associated with the misuse of ITC and social networks is an important social demand. The «Asegúrate» Program tries to support teachers in this intervention. This research shows the impact of the program among those that have shown to be less sensitive to other ones: cyber-aggressors. Concretely, the impact of the program on the prevalence of aggression in cyberbullying and bullying, sexting and a…

  • Bully-victims in bullying and cyberbullying: An analysis of school-level risk factors

    Open Access•Cirenia Quintana-Orts, Joaquín A Mora-Merchán et al.•ARTICLE•Social Psychology of Education•2023•Cited by: 5•References: 3

  • Bullying is bullying, if they want to say it's because of being LGBT that's another story’: Perceptions of educators on LGBTQ+ bullying

    Open Access•Paz Elipe, Dolores T Sutil et al.•ARTICLE•Teaching and Teacher Education•2023•Cited by: 3•References: 6

  • Sexual Diversity Bullying and Cyberbullying Questionnaires: An Inclusive Approach to Measure Sexuality-Based Bullying

    Noelia Muñoz‐fernández, Noelia Muñoz-Fernández et al.•ARTICLE•Journal of Homosexuality•2024•Cited by: 2•References: 58

    LGBTQ+ bullying is a specific type of stigma-based bullying with a high prevalence among LGBTQ+ people. However, instruments to assess this phenomenon are scarce and focus on homophobic aggressions, and the motivations therefor, mainly in relation to gay and lesbian youths. In this study, we introduce and validate an instrument to assess LGBTQ+ bullying. The instrument covers general and specific aggressions, as well as dimensions of sexuality be…

  • Behind Nonconsensual Sexting Among Adolescents: Victim‐to‐Perpetrator Dynamic and the Moderating Roles of Empathy and Toxic Online Disinhibition

    Open Access•Daniela Villa-Henao, Sebastian Wach et al.•ARTICLE•Human Behavior and Emerging…•2025

    Social networks have become integral to adolescent communication, with sexting—defined as the exchange of sexual content—emerging as a common practice. While consensual sexting is often viewed as a form of sexual expression, nonconsensual sexting represents a significant type of digital violence. This study examined the relationship between NCS victimization and perpetration among adolescents and explored the moderating roles of empathy and toxic…

  • Associations Between Searching and Sending Cyberhate: The Moderating Role of the Need of Online Popularity and Toxic Online Disinhibition

    Open Access•Olga Jiménez-Díaz, Sebastian Wach et al.•ARTICLE•Cyberpsychology Behavior and…•2025

    Cyberhate, also known as hate speech, has emerged as a significant global concern. Existing research suggests that adolescents are primarily involved in cyberhate as bystanders, mainly unintentionally. However, there is growing evidence that some adolescents intentionally search for such content. Some indications suggest that actively searching for cyberhate may align more closely with sending it than mere exposure, hinting at a potentially risky…

  • Understanding bystanders’ behaviour to cyberhate: An explanatory approach from the theory of normative social behaviour

    Open Access•Olga Jiménez-Díaz, Joaquín A Mora-Merchán et al.•ARTICLE•Cyberpsychology Journal of…•2025

    Cyberhate is a new form of cyberviolence among adolescents with high social and scientific concern. Although previous research has examined aggressors and victims, far less attention has been given to bystanders. Examining how adolescents respond when witnessing cyberhate, and the factors that shape these behaviours, is essential within a solid theoretical framework. For that, this study aims to 1) find out the responses of adolescent bystanders …

  • What factors shape bystanders’ defensive responses to non-consensual sexting? An approach from social and behavioral theoretical frameworks

    Open Access•Daniela Villa-Henao, Mónica Ojeda et al.•ARTICLE•Current Psychology•2026

    Non-consensual sexting (NCS) is a form of cyberviolence with serious consequences, particularly during adolescence—a developmental stage characterized by peer influence and identity formation. While conventional approaches focused on victims and perpetrators, increasing attention is being directed toward bystanders, who have the potential to intervene and disrupt these harmful dynamics. Unlike previous research, which often applies a single theor…

  • Longitudinal associations between cyberbullying and cyberhate: The role of online empathy and moral disengagement

    Open Access•Olga Jiménez-Díaz, Marie Jaron Bedrosova et al.•ARTICLE•Technology in Society•2026

    Cyberbullying and cyberhate are two forms of cyberaggression that share several characteristics but differ in key aspects such as repetition, power imbalance, and the nature of their targets. Although often examined separately, their potential overlaps and the psychological mechanisms that distinguish them require further investigation. In this context, online empathy and moral disengagement may offer insight into the shared and distinct emotiona…

  • Defender, Passive, and Pro-Bully: Exploring Bystanders’ Intentions toward Cyberbullying

    Open Access•Cirenia Quintana-Orts, Ana Alcántara-Lázaro et al.•ARTICLE•Psychosocial Intervention•2026

    Objective: The present study examines the usefulness of the Theory of Planned Behavior (TPB) in explaining three distinct responses to cyberbullying among adolescents: defending, pro-bully, and passive intentions. A model was constructed to assess intentions, including control variables (gender, age, cyberbullying victimization, and perpetration experiences), social norms (family, friends, and teachers), attitude toward helping cyberbullying vict…

  • Understanding Bystanders’ Reactions to Cyberbullying: An Approach From the Theory of Normative Social Behavior

    Open Access•Ana Alcántara-Lázaro, Ana A Alcántara-Lázaro et al.•ARTICLE•Youth & Society•2026•References: 85

    Bystander responses are crucial to understanding cyberbullying dynamics, yet further research is needed to clarify which factors shape them. This study extends prior work based on the Theory of Normative Social Behavior (TNSB) by testing its explanatory power across defender, reinforcing, and passive profiles while incorporating mediators such as empathy, parental supervision, toxic online disinhibition, and need for popularity. Participants were…

  • Understanding Bystander’s Response and Intentions in Non-Consensual Sexting: Insights from the Theory of Normative Social Behavior

    Open Access•Daniela Villa-Henao, Mónica Ojeda et al.•ARTICLE•Archives of Sexual Behavior•2026•References: 115

    Non-consensual sexting entails the dissemination of erotic-sexual content without the consent of the original sender. Previous research has mainly focused on understanding the behavior of victims and aggressors. However, bystanders have been found to exert a key role in the psychosocial dynamics of this type of cyberviolence. Thus, it is essential to enhance our understanding of bystander response patterns by examining theoretical frameworks cond…

Bullying, Victimization, and Aggression (13 works) · Psychology (8 works) · Social Psychology (7 works) · Empathy (5 works) · Hate Speech and Cyberbullying Detection (5 works) · Normative (5 works) · Social Psychology (5 works) · Child Development and Digital Technology (4 works) · Normative social influence (4 works) · Bystander effect (3 works)

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