John Horgan

John Horgan

Georgia State University

H-index: 58

North America-United States

About John Horgan

John Horgan, With an exceptional h-index of 58 and a recent h-index of 44 (since 2020), a distinguished researcher at Georgia State University, specializes in the field of Forensic psychology, terrorism, mass shootings.

His recent articles reflect a diverse array of research interests and contributions to the field:

Navigating the Conceptual Terrain of Extreme Belief and Behavior

The Politics of Perception: Political Preference Strongly Associated with Different Perceptions of Islamist and Right-Wing Terrorism Risk

Extremism, Fanaticism, Fundamentalism, Terrorism: A Conceptual Map

Dominant predictors of violent versus non-violent terrorist roles among US Muslim converts

After They Leave: Exploring Post-exit Distress in Former Violent Extremists

Terrorist Minds: The Psychology of Violent Extremism from Al-Qaeda to the Far Right

Crisis as catalyst: Crisis in conversion to Islam related to radicalism intentions

Impact of perceived peer attitudes and social network diversity on violent extremist intentions

John Horgan Information

University

Position

Distinguished University Professor Department of Psychology

Citations(all)

15423

Citations(since 2020)

8113

Cited By

9777

hIndex(all)

58

hIndex(since 2020)

44

i10Index(all)

110

i10Index(since 2020)

96

Email

University Profile Page

Georgia State University

Google Scholar

View Google Scholar Profile

John Horgan Skills & Research Interests

Forensic psychology

terrorism

mass shootings

Top articles of John Horgan

Title

Journal

Author(s)

Publication Date

Navigating the Conceptual Terrain of Extreme Belief and Behavior

R Peels

John Horgan

2025

The Politics of Perception: Political Preference Strongly Associated with Different Perceptions of Islamist and Right-Wing Terrorism Risk

Terrorism and Political Violence

Daniel W Snook

Ari D Fodeman

Katharina Meredith

John G Horgan

2024/1/2

Extremism, Fanaticism, Fundamentalism, Terrorism: A Conceptual Map

Rik Peels

Ruth Rebecca Tietjen

John Horgan

JM Berger

2024

Dominant predictors of violent versus non-violent terrorist roles among US Muslim converts

Behavioral Sciences of Terrorism and Political Aggression

Daniel W Snook

Ari D Fodeman

John G Horgan

Kevin M Swartout

2024

After They Leave: Exploring Post-exit Distress in Former Violent Extremists

Journal for Deradicalization

Katharina Meredith

John Horgan

2024/3/29

Terrorist Minds: The Psychology of Violent Extremism from Al-Qaeda to the Far Right

John Horgan

2023/12/31

Crisis as catalyst: Crisis in conversion to Islam related to radicalism intentions

Terrorism and political violence

Daniel W Snook

Ari D Fodeman

Scott M Kleinmann

John G Horgan

2023/2/17

Impact of perceived peer attitudes and social network diversity on violent extremist intentions

Terrorism and Political Violence

Wojciech Kaczkowski

KM Swartout

Lee Branum-Martin

John G Horgan

Anthony F Lemieux

2022/11/17

Pressure to prove: Muslim converts’ activism and radicalism mediated by religious struggle and punishing Allah reappraisal

Behavioral Sciences of Terrorism and Political Aggression

Ari D Fodeman

Daniel W Snook

John G Horgan

2022/1/2

Zeal of the convert? Comparing religiousness between convert and nonconvert Muslims.

Psychology of Religion and Spirituality

Daniel W Snook

Lee Branum-Martin

John G Horgan

2022/11

Human Security Psychology: A Linking Construct for an Eclectic Discipline

Review of General Psychology

Darrin Hodgetts

Veronica Hopner

Stuart Carr

Daniel Bar-Tal

James H Liu

...

2023/6

Terrorist transformations: The link between terrorist roles and terrorist disengagement

Studies in Conflict & Terrorism

Mary Beth Altier

Emma Leonard Boyle

John G Horgan

2022/8/8

The ABC model: Clarifications and elaborations

Terrorism and political violence

James Khalil

John Horgan

Martine Zeuthen

2022/4/3

Disaggregating lone-actor grievance-fuelled violence: Comparing lone-actor terrorists and mass murderers

Terrorism and Political Violence

Caitlin Clemmow

Paul Gill

Noémie Bouhana

James Silver

John Horgan

2022/4/3

The Attitudes-Behaviors Corrective (ABC) model of violent extremism

Terrorism and Political Violence

James Khalil

John Horgan

Martine Zeuthen

2022/4/3

On Re-engagement and Risk Factors

Mary Beth Altier

Emma Leonard Boyle

John G Horgan

2021/5/19

Returning to the fight: An empirical analysis of terrorist reengagement and recidivism

Terrorism and Political Violence

Mary Beth Altier

Emma Leonard Boyle

John G. Horgan

2019

Primum non nocere–First do no harm

Max Taylor

John Horgan

2021/2/17

Introduction: Primum Non Nocere–First Do No Harm

Max Taylor

John Horgan

2021/11/24

Conversion motifs among Muslim converts in the United States.

Psychology of Religion and Spirituality

Daniel W Snook

Scott M Kleinmann

Gentry White

John G Horgan

2021/11

See List of Professors in John Horgan University(Georgia State University)

Co-Authors

H-index: 42
Paul Gill

Paul Gill

University College London

H-index: 38
Max Taylor

Max Taylor

University College London

H-index: 33
Maura Conway

Maura Conway

Dublin City University

H-index: 33
Tore Bjørgo

Tore Bjørgo

Universitetet i Oslo

H-index: 30
William P. Evans

William P. Evans

University of Nevada, Reno

H-index: 27
Christian Thoroughgood

Christian Thoroughgood

Villanova University

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