SAMUEL JUSTIN SINCLAIR, PH.D.
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    • Education & Professional History
  • SPECTRA: Indices of Psychopathology
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Academic Innovations

I am Co-Founder and Past-President of the Society for Terrorism Research, and Co-Founder and Past Editor-in-Chief of the academic journal, Behavioral Sciences of Terrorism and Political Aggression (Taylor and Francis / Routledge Publishers). I am also Author / Developer of the Terrorism Catastrophizing Scale (Sinclair & LoCicero, 2007) and Perceptions of Terrorism Questionnaire (Sinclair & LoCicero, 2006). Finally, I am past recipient of the Association for Threat Assessment Professional’s (ATAP) Dr. Chris Hatcher Memorial Scholarship Award (2007), and have published over 60 academic papers in peer-reviewed journals, primarily in the areas of psychological assessment, psychometrics, violence, and political aggression – many of which are listed here.
Society for Terrorism Research
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Behavioral Sciences of terrorism and political aggression
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The Terrorism Catastrophizing Scale (TCS)
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TCS Scale

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Perceptions of Terrorism Questionnaire (PTQ-SF)

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​Development and Psychometric Testing of the Perceptions of Terrorism Questionnaire Short-Form (PTQ-SF)

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Samuel Justin Sinclair, Ph.D.
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Suite 2E 
Sudbury, MA 01776
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  • Home
  • About
    • Background
    • Education & Professional History
  • SPECTRA: Indices of Psychopathology
  • Publications
  • Academic Innovations
  • Clinical Services
    • Testing/Evaluation
    • Psychotherapy/Treatment
    • Clinical/ Psychometric Consultation
  • Media
    • Books
    • Interviews
    • News & Articles
  • Contact