John Horgan | Academic Influence

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John Horgan

Psychology

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#4284

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Psychology

John Horgan 's Degrees

PhD Psychology National University of Ireland
Bachelors Psychology National University of Ireland

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Why Is John Horgan Influential?

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According to Wikipedia, John G. Horgan is a Distinguished University Professor of Psychology at Georgia State University in Atlanta, Georgia. He studies involvement and engagement with terrorism, with a focus on disengagement and deradicalisation from terrorist movements. He has been described by the European Eye on Radicalization research group as the "world’s most distinguished expert in the psychology of terrorism". Since 2019, Horgan has been leading a team of researchers funded by the U.S. Department of Homeland Security to research the incel subculture.

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John Horgan 's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

From Complexity to Perplexity (1995) (428)
Bombing Alone: Tracing the Motivations and Antecedent Behaviors of Lone-Actor Terrorists*,†,‡ (2013) (359)
Walking Away from Terrorism: Accounts of Disengagement from Radical and Extremist Movements (2009) (347)
A psychology of terrorism? (2005) (306)
Leaving Terrorism Behind: Individual and Collective Disengagement (2009) (293)
Terrorist Use of the Internet by the Numbers: Quantifying Behaviors, Patterns and Processes (2017) (129)
The search for the terrorist personality. (2008) (126)
Turning away from terrorism (2014) (103)
Trauma and Openness to Legal and Illegal Activism Among Somali Refugees (2015) (72)
Can science explain consciousness? (1994) (70)
Navigating ISIS’s Preferred Platform: Telegram1 (2017) (69)
Risk assessment and the terrorist (2010) (66)
Why They Leave: An Analysis of Terrorist Disengagement Events from Eighty-seven Autobiographical Accounts (2017) (66)
Who Were the Volunteers? 1 The Shifting Sociological and Operational Profile of 1240 Provisional Irish Republican Army Members (2013) (61)
The critical role of friends in networks for countering violent extremism: toward a theory of vicarious help-seeking (2016) (60)
Psychology of terrorism: Introduction to the special issue. (2017) (48)
Profile: Reluctant Revolutionary (1991) (47)
Relation of psychosocial factors to diverse behaviors and attitudes among Somali refugees. (2016) (47)
Turning away from terrorism : Lessons from psychology (2014) (44)
Rationales for terrorist violence in homegrown jihadist groups: A case study from the Netherlands (2016) (44)
The forgotten era of brain chips. (2005) (42)
In Their Own Words? Methodological Considerations in the Analysis of Terrorist Autobiographies (2012) (41)
The Worst Enemy of Science (1993) (41)
From Cubs to Lions: A Six Stage Model of Child Socialization into the Islamic State (2017) (41)
Lethal Connections: The Determinants of Network Connections in the Provisional Irish Republican Army, 1970–1998 (2014) (40)
Simple mathematical law benchmarks human confrontations (2013) (40)
Walking away: the disengagement and de-radicalization of a violent right-wing extremist (2017) (39)
Foreshadowing targeted violence: Assessing leakage of intent by public mass murderers (2018) (38)
Shooting Alone: The Pre‐Attack Experiences and Behaviors of U.S. Solo Mass Murderers (2017) (35)
The Attitudes-Behaviors Corrective (ABC) Model of Violent Extremism (2019) (32)
Killing Range: Explaining Lethality Variance Within a Terrorist Organization (2014) (32)
Women’s connectivity in extreme networks (2016) (32)
Leaving Terrorism Behind: An Individual Perspective (2008) (31)
The Case for Firsthand Research (2003) (29)
Returning to the Fight: An Empirical Analysis of Terrorist Reengagement and Recidivism (2019) (28)
Physiology or medicine. (1988) (25)
Shared Struggles? Cumulative Strain Theory and Public Mass Murderers From 1990 to 2014 (2018) (25)
Tiocfaidh ár Mná: Women in the Provisional Irish Republican Army (2012) (23)
Making bones better. (1988) (23)
The Intellectual Warrior (1992) (22)
Eugenics revisited. (1993) (22)
Indicators of lone actor violent events: The problems of low base rates and long observational periods. (2016) (20)
Mandelbrot Set-To (1990) (20)
Counterterrorism Killings and Provisional IRA Bombings, 1970–1998 (2016) (20)
The Rational Foraging Terrorist: Analysing the Distances Travelled to Commit Terrorist Violence (2017) (20)
Killing Range (2015) (19)
Bill Gates's Apocryphal History (1996) (19)
Bufo abuse. A toxic toad gets licked, boiled, teed up and tanned. (1990) (18)
Josephson's Inner Junction (1995) (18)
Improvised Explosive Device: The Problem of Definition (2011) (18)
Are Scientists Too Messy for Antarctica (1993) (17)
The Nicest Guy in Washington (1993) (17)
Towards a Typology of Terrorism Involvement: A Behavioral Differentiation of Violent Extremist Offenders (2018) (16)
The New Challenges (1992) (15)
Skullduggery. Pundits ponder perforated prehistoric pates from Peru. (1990) (15)
Star Wars of the Seas (1988) (15)
The Pied Piper of Superstrings (1991) (14)
Up in Flames (1991) (13)
Terrorist Transformations: The Link between Terrorist Roles and Terrorist Disengagement (2020) (13)
Poverty and HIV (2013) (13)
Issues in the Sociology and Psychology of Religious Conversion (2018) (13)
Test negative. A look at the "evidence" justifying illicit-drug tests. (1990) (13)
Labour: The price of power (1986) (13)
Disaggregating Lone-actor Grievance-fuelled Violence: Comparing Lone-actor Terrorists and Mass Murderers (2020) (13)
Revisiting Old Battlefields (1994) (12)
Small Arms (2019) (12)
Reloading the Armalite? Victims and Targets of Violent Dissident Irish Republicanism, 2007–2015 (2016) (12)
``Peaceful'' Nuclear Explosions (1996) (12)
The drones come home (2013) (11)
Affirmative action. AIDS researchers seek to enroll more minorities in clinical trials. (1989) (11)
Were four corners victims biowar casualties? (1993) (10)
The no-name virus. Questions linger after the four corners outbreak. (1994) (10)
Claude E. Shannon (1990) (10)
As birth-control options in the U.S. dwindle, more married women turn to sterilization. (1990) (10)
The World According to RNA (1996) (10)
Picking Up and Defending the Faith: Activism and Radicalism Among Muslim Converts in the United States (2020) (9)
Hard work, hidden lives (2014) (9)
Expansion and replication of the theory of vicarious help-seeking (2018) (9)
Gay genes, revisited. (1995) (9)
Daydreaming. Experiments reveal links between memory and sleep. (1994) (9)
It's all in the Timing (1995) (9)
Seeking a better way to die. (1997) (8)
Get Smart, Take a Test (1995) (8)
The Rise of the Child Terrorist (2015) (8)
Conversion motifs among Muslim converts in the United States. (2019) (7)
The danger from Kuwait's air pollution. (1991) (7)
Improvised Explosive Devices – The Problem of Definition (2011) (7)
Postal mortem. Drug test results may point to racial discrimination. (1991) (7)
Confronting the Final Limit (1994) (7)
U.S. Gags Discussion of War's Environmental Effects (1991) (7)
Brain storm. Controlling chaos could help treat epilepsy. (1994) (7)
Right to Lie (1990) (7)
Experimental Effects of a Call-Center Disclaimer Regarding Confidentiality on Callers’ Willingness to Make Disclosures Related to Terrorism (2018) (7)
Back with a Vengeance (1987) (7)
The Return of the Maverick (1995) (6)
The Last Universal Mathematician (1994) (6)
But is it Art (1987) (6)
Fermat's MacGuffin (1993) (6)
Plotting the Next Move (1996) (6)
Biowarfare wars. Critics ask whether the army can manage the program. (1994) (6)
Genes and Crime (1993) (6)
Psychological Approaches to the Study of Terrorism (2019) (6)
Which Came First (1997) (5)
Space invaders. Extra! Extra! Flu linked to sunspots! (1990) (5)
Fermat's Theorem Fights Back (1994) (5)
Quasicrystals: rules of the game. (1990) (5)
An antidrug message gets its facts wrong. (1990) (5)
Off to an early start. (1993) (5)
Fractured functions. Does the brain have a supreme integrator? (1993) (5)
Illuminator of the Stars (1992) (5)
The Eyes have it (1995) (5)
Leaving terrorism behind (2021) (5)
Technology vs. terrorism (1986) (4)
A Sign is Born (1995) (4)
Genes and crime. A US plan to reduce violence rekindles an old controversy. (1993) (4)
Pinning Down Clouds (1989) (4)
Neural eavesdropping. (1994) (4)
A new approach to English for speakers of other languages (ESOL) (2014) (4)
After the Inferno (1992) (4)
The ABC Model: Clarifications and Elaborations (2020) (3)
Impact of Perceived Peer Attitudes and Social Network Diversity on Violent Extremist Intentions (2020) (3)
Ethnography as Art (1989) (3)
The mystery of SIDS. A murder conviction revives questions about infant deaths. (1995) (3)
Quantum Computing Creeps Closer to Reality (1994) (3)
D2 or not D2. A barroom brawl over an "alcoholism gene". (1992) (3)
Death with dignity. (1991) (3)
Radon's Risks (1994) (3)
The fact of age (2013) (3)
Lone-Star Science (1989) (2)
Returning to the Fight: What the Literature on Criminal Recidivism Can Contribute to our Understanding of Terrorist Recidivism, 2012 (2013) (2)
Do Bees Think (1989) (2)
All Shook up (1987) (2)
Overview: schizophrenia. This devastating illness remains profoundly mysterious. (1990) (2)
Fusion's Future (1989) (2)
Pressure to prove: Muslim converts’ activism and radicalism mediated by religious struggle and punishing Allah reappraisal (2020) (2)
Test-Ban Countdown (1988) (2)
Gruff Guru of Condensed-Matter Physics (1994) (2)
More Bits from Pits (1994) (2)
The Man who Loves Insects (1991) (2)
Sex, Death and Sugar (1994) (2)
The world according to RNA. Experiments lend support to the leading theory of life's origin. (1996) (2)
Divided We Stand (2013) (2)
Sudden impact. Why a little heart disease can be worse than a lot. (1989) (2)
Exporting misery. A U.S. abortion ruling affects women's health worldwide. (1991) (2)
Clash in Cambridge. (2005) (2)
The Mephistopheles of Neurobiology (1992) (2)
Ignorance in action. (1988) (2)
Big-Bang Bashers (1987) (2)
Crisis as Catalyst: Crisis in Conversion to Islam Related to Radicalism Intentions (2021) (2)
Stubbornly Ahead of his Time (1993) (2)
Wanted: a Defense R&D Policy (1993) (2)
High profile. The Simpson case raises the issue of DNA reliability. (1994) (1)
Student visas: Follow-up (2014) (1)
Analysis, Integration, Response (2004) (1)
Implementing the new approach to ESOL (2014) (1)
Strength in numbers. Researchers begin combining compounds to fight AIDS. (1990) (1)
What is Terrorism (2004) (1)
Analysis, Integration, Response (2004) (1)
SCIENCE AND THE CITIZEN (1991) (1)
Lukewarm turkey. (1989) (1)
Dominant predictors of violent versus non-violent terrorist roles among US Muslim converts (2022) (1)
Status symbol. Affluent women have cesareans more often than poor women do. (1989) (1)
Lying by the Book (1992) (1)
The Sinister Cosmos (1997) (1)
Issues in the Sociology and Psychology of Religious Conversion (2018) (1)
Japan, Cold Fusion and Lyndon LaRouche (1992) (1)
Bashing Black Holes (1995) (1)
So long, lefty. (1988) (1)
When Treaties Fail (1994) (1)
More than a language: Executive summary (2014) (1)
What is Terrorism (2004) (1)
Multicultural studies. Rates of depression vary widely throughout the world. (1996) (1)
Taming the urge to war. (2009) (1)
Being a Terrorist (2004) (1)
THE ELECTRIC KOOL-AID CLINICAL TRIAL (2005) (1)
Being a Terrorist (2004) (1)
The Mastermind of Artificial Intelligence (1993) (1)
When dad drinks. Can his liquor intake impair his future offspring? (1990) (1)
Qualities are not causes (2009) (1)
Bang! you're Alive (1994) (1)
Double trouble. When identical twins are not identical. (1990) (1)
Pinning Down Inflation (1997) (1)
Using Research on the Psychology of Terrorism to Examine Decisions to Acquire and Use Weapons of Mass Destruction (2007) (0)
Trans-kingdom sex. E. coli mate with yeast! (Will Jesse Helms cut off funds?). (1989) (0)
Through a glass, darkly. Are wearers of tinted glasses more likely to be depressed? (1990) (0)
Heart of the Matter (1993) (0)
It's all in the timing. Neurons may be more punctual than had been supposed. (1995) (0)
On Re-engagement and Risk Factors (2021) (0)
How, when and why terrorism ends (2009) (0)
John Horgan Responds (2001) (0)
A Buddhism Critic Goes on a Silent Buddhist Retreat (2018) (0)
There is no conscious decision (2009) (0)
It Came from Within (1992) (0)
The Leading Theory of the Universe Survives Another Attack (1991) (0)
Will I have to pay (2013) (0)
Review: 2RN and the Origins of Irish Radio (2002) (0)
The Threat of Buried Thrust Faults (1994) (0)
Paper by Professor John Horgan, Press Ombudsman (2007) (0)
Going to Pot (1990) (0)
Psychological Sense of Community Membership--Adapted (2016) (0)
The Lonely Odysseus of Particle Physics (1992) (0)
Willingness to fight and die (2017) (0)
The End of Clumpiness (1992) (0)
The Finance of Fission (1989) (0)
Yes, Make Psychedelics Legally Available, but Don't Forget the Risks (2018) (0)
Right to lie? Studies disprove claims about abortion's dangers. (1990) (0)
The Artist, the Physicist and the Waterfall (1993) (0)
Swiss Materfamilias Robinson (1997) (0)
Information leaflet for asylum applications (2014) (0)
A Modest Proposal on Altruism (1991) (0)
Twist and Shout (1997) (0)
An Eternally Self-Reproducing Cosmos? (1993) (0)
R.I.P. Blackbird (1990) (0)
Commissioning framework for language support (2013) (0)
The struggle within. Conflict between fetus and mother may trouble pregnancy. (1995) (0)
Missing Their Mark: The IRA Proxy Bomb Campaign of 1990 (2008) (0)
Standing tall. Inner-ear bones provide clues to the emergence of bipedalism. (1994) (0)
Nothing left to learn (1999) (0)
On speaking terms (2014) (0)
Doubts About Doubts About Science (1996) (0)
Here to Stay (2013) (0)
Einstein Has Left the Building (2006) (0)
Right to die. (1996) (0)
Ethics and Terrorism (2021) (0)
The bionic mind. (1988) (0)
The final framework (1997) (0)
Sex, Flies and Videotape (1997) (0)
Poisoning the Air (1988) (0)
Top Price for the Top Quark (1995) (0)
Hotspots up top (1999) (0)
Radon's risks. Is the EPA exaggerating the dangers of this ubiquitous gas? (1994) (0)
Becoming a Terrorist (2005) (0)
In reply: quasicrystal publications. (1990) (0)
Perpendicular to the Mainstream (1993) (0)
The Rise of Dissident Activity1 (2013) (0)
Bizarre Brain-Implant Experiment Sought to |[ldquo]|Cure|[rdquo]| Homosexuality (2017) (0)
Armoury of Fearless Truth (2001) (0)
Editorial Board (2014) (0)
Profile: Francis H.C. Crick. The Mephistopheles of neurobiology. (1992) (0)
Garret FitzGerald's Latest Book (2003) (0)
The citation for Professor Peter Froggatt. (1983) (0)
The Golden Age of Cosmology (1992) (0)
What if they don't have radios? (1993) (0)
The big bang theory of science books (1997) (0)
Rent-a-Genius (2006) (0)
The not so Enormous Theorem (1996) (0)
Beyond the Test Ban (1996) (0)
Profiles, Patterns, and Personnel (2013) (0)
Response : Quasicrystal Publications (1990) (0)
Willingness to fight and die (2017) (0)
Conclusions: Doomed to Fail? (2013) (0)
Life in a test tube? (1992) (0)
Ivan's Eyes (1989) (0)
How to Catch a Fly Ball (1995) (0)
Gang Involvement Measure (2016) (0)
Trends in Homegrown Violent Extremism (2017) (0)
Inside the `black box' (1986) (0)
A Typology of Lone Actor Terrorists (2012) (0)
The Big Thaw (1995) (0)
Prison was a good thing (2009) (0)
A (Short-Term) Counter-VDR Strategy (2013) (0)

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