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Matthew Costello

Biographic Data

ID210648
NAMEMatthew Costello
GIVEN NAMESMatthew
FAMILY NAMECostello
SIGNATURECOSTELLO M
AFFILIATIONSClemson University, Clemson, SC, USA
VERIFIEDNo
TOTAL WORKS16
TOTAL CITATIONS62
WORKS AS AUTHOR16
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2014
LATEST PUBLICATION YEAR2025
H-INDEX4
  • Cheating with ChatGPT and Techniques of Neutralization

    James Hawdon, Matthew Costello et al.•ARTICLE•Deviant Behavior•2025•Cited by: 2•References: 100

  • Defending Others Online

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•International Journal of…•2023

    This paper examines factors correlated with online self-help-an informal form of social control vis-à-vis intervention-upon witnessing a cyberhate attack. Using online surveys from 18- to 26-year-old respondents in the United States, we explore the roles of various types of online and offline formal and informal social control mechanisms on the enactment of self-help through the use of descriptive statistics and ordinal logistic regression. The r…

  • Measuring Hate

    Open Access•James Hawdon, A V Reichelmann et al.•ARTICLE•Social Science Computer Review•2023•Cited by: 4•References: 17

    The purpose of this research is to test the validity of commonly used measures of exposure to and production of online extremism. Specifically, we investigate if a definition of hate influences survey responses about the production of and exposure to online hate. To explore the effects of a definition, we used a split experimental design on a sample of 18 to 25-year-old Americans where half of the respondents were exposed to the European Union’s …

  • Factors Associated with Online Hate Acceptance

    Open Access•Magdalena Celuch, Atte Oksanen et al.•ARTICLE•International Journal of…•2022

    The Internet, specifically social media, is among the most common settings where young people encounter hate speech. Understanding their attitudes toward the phenomenon is crucial for combatting it because acceptance of such content could contribute to furthering the spread of hate speech as well as ideology contamination. The present study, theoretically grounded in the General Aggression Model (GAM), investigates factors associated with online …

  • Utilizing criminological theories to predict involvement in cyberviolence among the iGeneration

    Matthew Costello, Matt Costello et al.•ARTICLE•Sociological Spectrum•2022•References: 14

    Cyberviolence is a growing concern, leading researchers to explore why some users engage in harmful acts online. This study uses leading criminological theories—the general theory of crime/self-control theory, social control/bonding theory, social learning theory, and general strain theory—to explore why 15–18-year-old American adolescents join ongoing acts of cyberviolence. Additionally, we examine the role of socio-demographic traits and online…

  • Assessing County-Level Behavioral Health and Justice Systems with the Sequential Intercept Model Practices, Leadership, and Expertise Scorecard

    Open Access•Leonard Swanson, Victoria Nelson et al.•ARTICLE•Community Mental Health Journal•2022•References: 28

  • Viewing anti-immigrant hate online

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Computers in Human Behavior•2021

  • “Dnt Let ’em H8 U!”

    Open Access•Sebastian Wach, Matthew Costello et al.•ARTICLE•Computers & Education•2021

  • The Enthymemes of Supporting President Trump

    Open Access•James Hawdon, Matthew Costello et al.•ARTICLE•Social Science Computer Review•2020•Cited by: 1•References: 11

    Does hateful rhetoric appeal to supporters of President Trump? Prior studies link sexism, racism, Islamophobia, anti-immigrant sentiment, and intolerant forms of Christianity to supporting or voting for President Trump. We extend this literature by examining whether individuals who approve of President Trump’s job performance are more accepting of the hateful rhetoric and imagery they encounter online. We do so using online survey data ( N = 465)…

  • Predictors of Viewing Online Extremism Among America's Youth

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Youth & Society•2020•Cited by: 1•References: 37

    Exposure to hate material is related to a host of negative outcomes. Young people might be especially vulnerable to the deleterious effects of such exposure. With that in mind, this article examines factors associated with the frequency that youth and young adults, ages 15 to 24, see material online that expresses negative views toward a social group. We use an online survey of individuals recruited from a demographically balanced sample of Ameri…

  • Cyber-Routines, Political Attitudes, and Exposure to Violence-Advocating Online Extremism

    Open Access•James Hawdon, Colin Bernatzky et al.•ARTICLE•Social Forces•2019

    The Internet’s relatively unfettered transmission of information risks exposing individuals to extremist content. Using online survey data (N = 768) of American youth and young adults, we examine factors that bring individuals into contact with online material advocating violence. Combining aspects of social structure-social learning theory with insights from routine activity theory, we find that exposure to violence-advocating materials is posit…

  • Social Group Identity and Perceptions of Online Hate

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Sociological Inquiry•2019•Cited by: 10•References: 56

    Why do some people find online hate material more disturbing than others? We use a random sample of Americans between the ages 15 and 36 to address this question. Descriptive results indicate that a majority of respondents surveyed find online hate material very or extremely disturbing, while smaller shares find it moderately, slightly, or not at all disturbing. We utilize an ordinal logistic regression to explore factors associated with these va…

  • We don't like your type around here

    Matthew Costello, Matt Costello et al.•ARTICLE•Deviant Behavior•2019•Cited by: 7•References: 76

    What factors are related to online targeting of hate material based to sexual orientation? This study addresses that question, utilizing a sample of 968 Internet users aged 15–36. Employing a logistic regression analysis, we find that social network usage, online antagonism, informal online social control, and a lack of online anonymity increase the likelihood of being targeted. Moreover, individuals living in the southern region of the United St…

  • Conflict Management Styles and Cybervictimization

    James Hawdon, Matthew Costello et al.•ARTICLE•Sociological Spectrum•2017•Cited by: 4•References: 49

    Do online conflict management styles affect the likelihood of cybervictimization? To answer this question, we use an online survey of youth and young adults recruited from a demographically balanced sample of Americans. Using an extended version of routine activity theory, we examine how two conflict resolution styles—self-help and toleration—affect the target suitability of online users and, in turn, their likelihood of being the victim of cyber…

  • Confronting Online Extremism

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Social Science Computer Review•2016•Cited by: 11•References: 11

    Who is likely to be a target of online hate and extremism? To answer this question, we use an online survey ( N = 963) of youth and young adults recruited from a demographically balanced sample of Americans. Adapting routine activity theory, we distinguish between actor-initiated social control (i.e., self-help), other-initiated social control (i.e., collective efficacy), and guardianship and show how self-help is positively related to the likeli…

  • Bread, Justice, or Opportunity? The Determinants of the Arab Awakening Protests

    Open Access•Matthew J Costello, Matthew Costello et al.•ARTICLE•World Development•2014•Cited by: 22•References: 13

  • Bread, Justice, or Opportunity? The Determinants of the Arab Awakening Protests

    Open Access•Matthew J Costello, Matthew Costello et al.•ARTICLE•World Development•2014•Cited by: 22•References: 13

  • Confronting Online Extremism

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Social Science Computer Review•2016•Cited by: 11•References: 11

    Who is likely to be a target of online hate and extremism? To answer this question, we use an online survey ( N = 963) of youth and young adults recruited from a demographically balanced sample of Americans. Adapting routine activity theory, we distinguish between actor-initiated social control (i.e., self-help), other-initiated social control (i.e., collective efficacy), and guardianship and show how self-help is positively related to the likeli…

  • Social Group Identity and Perceptions of Online Hate

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Sociological Inquiry•2019•Cited by: 10•References: 56

    Why do some people find online hate material more disturbing than others? We use a random sample of Americans between the ages 15 and 36 to address this question. Descriptive results indicate that a majority of respondents surveyed find online hate material very or extremely disturbing, while smaller shares find it moderately, slightly, or not at all disturbing. We utilize an ordinal logistic regression to explore factors associated with these va…

  • We don't like your type around here

    Matthew Costello, Matt Costello et al.•ARTICLE•Deviant Behavior•2019•Cited by: 7•References: 76

    What factors are related to online targeting of hate material based to sexual orientation? This study addresses that question, utilizing a sample of 968 Internet users aged 15–36. Employing a logistic regression analysis, we find that social network usage, online antagonism, informal online social control, and a lack of online anonymity increase the likelihood of being targeted. Moreover, individuals living in the southern region of the United St…

  • Measuring Hate

    Open Access•James Hawdon, A V Reichelmann et al.•ARTICLE•Social Science Computer Review•2023•Cited by: 4•References: 17

    The purpose of this research is to test the validity of commonly used measures of exposure to and production of online extremism. Specifically, we investigate if a definition of hate influences survey responses about the production of and exposure to online hate. To explore the effects of a definition, we used a split experimental design on a sample of 18 to 25-year-old Americans where half of the respondents were exposed to the European Union’s …

  • Conflict Management Styles and Cybervictimization

    James Hawdon, Matthew Costello et al.•ARTICLE•Sociological Spectrum•2017•Cited by: 4•References: 49

    Do online conflict management styles affect the likelihood of cybervictimization? To answer this question, we use an online survey of youth and young adults recruited from a demographically balanced sample of Americans. Using an extended version of routine activity theory, we examine how two conflict resolution styles—self-help and toleration—affect the target suitability of online users and, in turn, their likelihood of being the victim of cyber…

  • Cheating with ChatGPT and Techniques of Neutralization

    James Hawdon, Matthew Costello et al.•ARTICLE•Deviant Behavior•2025•Cited by: 2•References: 100

  • The Enthymemes of Supporting President Trump

    Open Access•James Hawdon, Matthew Costello et al.•ARTICLE•Social Science Computer Review•2020•Cited by: 1•References: 11

    Does hateful rhetoric appeal to supporters of President Trump? Prior studies link sexism, racism, Islamophobia, anti-immigrant sentiment, and intolerant forms of Christianity to supporting or voting for President Trump. We extend this literature by examining whether individuals who approve of President Trump’s job performance are more accepting of the hateful rhetoric and imagery they encounter online. We do so using online survey data ( N = 465)…

  • Predictors of Viewing Online Extremism Among America's Youth

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Youth & Society•2020•Cited by: 1•References: 37

    Exposure to hate material is related to a host of negative outcomes. Young people might be especially vulnerable to the deleterious effects of such exposure. With that in mind, this article examines factors associated with the frequency that youth and young adults, ages 15 to 24, see material online that expresses negative views toward a social group. We use an online survey of individuals recruited from a demographically balanced sample of Ameri…

  • Bread, Justice, or Opportunity? The Determinants of the Arab Awakening Protests

    Open Access•Matthew J Costello, Matthew Costello et al.•ARTICLE•World Development•2014•Cited by: 22•References: 13

  • Confronting Online Extremism

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Social Science Computer Review•2016•Cited by: 11•References: 11

    Who is likely to be a target of online hate and extremism? To answer this question, we use an online survey ( N = 963) of youth and young adults recruited from a demographically balanced sample of Americans. Adapting routine activity theory, we distinguish between actor-initiated social control (i.e., self-help), other-initiated social control (i.e., collective efficacy), and guardianship and show how self-help is positively related to the likeli…

  • Conflict Management Styles and Cybervictimization

    James Hawdon, Matthew Costello et al.•ARTICLE•Sociological Spectrum•2017•Cited by: 4•References: 49

    Do online conflict management styles affect the likelihood of cybervictimization? To answer this question, we use an online survey of youth and young adults recruited from a demographically balanced sample of Americans. Using an extended version of routine activity theory, we examine how two conflict resolution styles—self-help and toleration—affect the target suitability of online users and, in turn, their likelihood of being the victim of cyber…

  • Cyber-Routines, Political Attitudes, and Exposure to Violence-Advocating Online Extremism

    Open Access•James Hawdon, Colin Bernatzky et al.•ARTICLE•Social Forces•2019

    The Internet’s relatively unfettered transmission of information risks exposing individuals to extremist content. Using online survey data (N = 768) of American youth and young adults, we examine factors that bring individuals into contact with online material advocating violence. Combining aspects of social structure-social learning theory with insights from routine activity theory, we find that exposure to violence-advocating materials is posit…

  • Social Group Identity and Perceptions of Online Hate

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Sociological Inquiry•2019•Cited by: 10•References: 56

    Why do some people find online hate material more disturbing than others? We use a random sample of Americans between the ages 15 and 36 to address this question. Descriptive results indicate that a majority of respondents surveyed find online hate material very or extremely disturbing, while smaller shares find it moderately, slightly, or not at all disturbing. We utilize an ordinal logistic regression to explore factors associated with these va…

  • We don't like your type around here

    Matthew Costello, Matt Costello et al.•ARTICLE•Deviant Behavior•2019•Cited by: 7•References: 76

    What factors are related to online targeting of hate material based to sexual orientation? This study addresses that question, utilizing a sample of 968 Internet users aged 15–36. Employing a logistic regression analysis, we find that social network usage, online antagonism, informal online social control, and a lack of online anonymity increase the likelihood of being targeted. Moreover, individuals living in the southern region of the United St…

  • The Enthymemes of Supporting President Trump

    Open Access•James Hawdon, Matthew Costello et al.•ARTICLE•Social Science Computer Review•2020•Cited by: 1•References: 11

    Does hateful rhetoric appeal to supporters of President Trump? Prior studies link sexism, racism, Islamophobia, anti-immigrant sentiment, and intolerant forms of Christianity to supporting or voting for President Trump. We extend this literature by examining whether individuals who approve of President Trump’s job performance are more accepting of the hateful rhetoric and imagery they encounter online. We do so using online survey data ( N = 465)…

  • Predictors of Viewing Online Extremism Among America's Youth

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Youth & Society•2020•Cited by: 1•References: 37

    Exposure to hate material is related to a host of negative outcomes. Young people might be especially vulnerable to the deleterious effects of such exposure. With that in mind, this article examines factors associated with the frequency that youth and young adults, ages 15 to 24, see material online that expresses negative views toward a social group. We use an online survey of individuals recruited from a demographically balanced sample of Ameri…

  • Viewing anti-immigrant hate online

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•Computers in Human Behavior•2021

  • “Dnt Let ’em H8 U!”

    Open Access•Sebastian Wach, Matthew Costello et al.•ARTICLE•Computers & Education•2021

  • Factors Associated with Online Hate Acceptance

    Open Access•Magdalena Celuch, Atte Oksanen et al.•ARTICLE•International Journal of…•2022

    The Internet, specifically social media, is among the most common settings where young people encounter hate speech. Understanding their attitudes toward the phenomenon is crucial for combatting it because acceptance of such content could contribute to furthering the spread of hate speech as well as ideology contamination. The present study, theoretically grounded in the General Aggression Model (GAM), investigates factors associated with online …

  • Utilizing criminological theories to predict involvement in cyberviolence among the iGeneration

    Matthew Costello, Matt Costello et al.•ARTICLE•Sociological Spectrum•2022•References: 14

    Cyberviolence is a growing concern, leading researchers to explore why some users engage in harmful acts online. This study uses leading criminological theories—the general theory of crime/self-control theory, social control/bonding theory, social learning theory, and general strain theory—to explore why 15–18-year-old American adolescents join ongoing acts of cyberviolence. Additionally, we examine the role of socio-demographic traits and online…

  • Assessing County-Level Behavioral Health and Justice Systems with the Sequential Intercept Model Practices, Leadership, and Expertise Scorecard

    Open Access•Leonard Swanson, Victoria Nelson et al.•ARTICLE•Community Mental Health Journal•2022•References: 28

  • Defending Others Online

    Open Access•Matthew Costello, Matt Costello et al.•ARTICLE•International Journal of…•2023

    This paper examines factors correlated with online self-help-an informal form of social control vis-à-vis intervention-upon witnessing a cyberhate attack. Using online surveys from 18- to 26-year-old respondents in the United States, we explore the roles of various types of online and offline formal and informal social control mechanisms on the enactment of self-help through the use of descriptive statistics and ordinal logistic regression. The r…

  • Measuring Hate

    Open Access•James Hawdon, A V Reichelmann et al.•ARTICLE•Social Science Computer Review•2023•Cited by: 4•References: 17

    The purpose of this research is to test the validity of commonly used measures of exposure to and production of online extremism. Specifically, we investigate if a definition of hate influences survey responses about the production of and exposure to online hate. To explore the effects of a definition, we used a split experimental design on a sample of 18 to 25-year-old Americans where half of the respondents were exposed to the European Union’s …

  • Cheating with ChatGPT and Techniques of Neutralization

    James Hawdon, Matthew Costello et al.•ARTICLE•Deviant Behavior•2025•Cited by: 2•References: 100

Psychology (15 works) · Social Psychology (13 works) · Social Media and Politics (10 works) · Sociology (10 works) · Hate Speech and Cyberbullying Detection (9 works) · Political science (9 works) · Social Psychology (8 works) · Computer Science (7 works) · Criminology (6 works) · Internet privacy (5 works)

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