|Welcome to "Without Conscience"
Robert Hare's Web Site devoted to the study of Psychopathy
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Upcoming PCL-R Workshops:
Toronto, ON, November 18, 2019
Multi-Health Systems Inc. (MHS), a leading provider of outcome driven research, assessments, trainings, data analytics and software solutions, including the international gold standard for the diagnosis of psychopathy in adults, the PCL-R, is pleased to announce the acquisition of Darkstone Research Group’s assets. This purchase represents MHS’s commitment to provide customers with services and programming that promotes evidence-based best practices and improves compliance and outcomes in assessment, treatment, and monitoring.
Founded by world renowned expert in psychopathy, Dr. Robert D. Hare, Darkstone Research Group is a forensic consulting and research company. They specialized in the development of procedures used for the assessment of psychopathy, and for training professionals in the use of these procedures.
The purchase of Darkstone Research Group’s assets will see MHS delivering and authorizing all in-person and online PCL-R training programs, and developing standards for assessing psychopathy. Hazel Wheldon, CEO of MHS, is dedicated to providing solutions to the international criminal justice community that will ultimately help make the world a safer place. Wheldon says “we are happy to support clinicians who work with this important population. Further research and trainings on psychopathy will be developed to ensure clinicians are equipped with the necessary resources to effectively measure psychopathic personality.”
Wheldon shares, “with the acquisition of Darkstone Research Group’s assets, we will be able to provide our customers with additional solutions to help them improve compliance and outcomes in assessment, treatment, and monitoring of psychopathy, leading to improved public safety and the rehabilitation of those who have offended.”
MHS specializes in providing outcome driven research, trainings, and software solutions to mental health, correctional, education and corporate clients to support predicting and improving outcomes for individuals and organizations around the world. Dedicated to innovation, simplicity, and customer service, our team of international experts develops services and programming to promote evidence-based best practices and improve both compliance and outcomes in assessment, treatment, and monitoring.
MHS strives to leverage their tools to reduce reoffending and produces many of the most innovative offerings to the public safety market including data analytics, assessments, trainings, knowledge sharing of peer-reviewed research, and assessment platforms. These solutions are rigorous in their science, highly functional, and available via a variety of different platforms.
For More Information:
Darkstone Retains its Role in Forensic Consulting and Research, and Maintains its Website
MHS now holds the copyright for the PCL-R family of instruments. Please address requests for the use of excerpts, tables, and figures from these instruments to MHS, email@example.com. MHS also holds the rights to the Darkstone training materials. For information about PCL-R and related workshops and training, email Tammy Holwell.
Important new research by Randy Salekin argues persuasively that, "Callous–unemotional traits have been incorporated into the DSM-5 and may be considered for the ICD-11. Despite the centrality of callous–unemotional traits, it is only one of three dimensions of child psychopathy. It is proposed that the grandiose–manipulative and daring–impulsive traits should be considered and potentially accepted as specifiers for conduct disorder in the DSM-5 and ICD-11." The full reference for this research is:
"The data for this 2019 edition [were] collected during the second week of September 2019 of a BETA list of the public profiles of the most highly cited researchers (h-index larger than 100) according to their declared presence in the Google Scholar Citations database. The list...includes both living and deceased authors."
Google Scholar February 2020
Total citations = 62,717; h-index = 113; i10 index = 222
Citations since 2015 = 18,941; h-index = 62; i10 index = 166
Salina, J. R., León Mayer, E., Folino, J. O., & Hare, R. D. (2019). Psicopatía en mujeres privadas de libertad en Chile (Psychopathy in female inmates in Chile). VERTEX, Argentine Journal of Psychiatry, 30, 301-306. [Download PDF]
López-Romero, L., Romero, E., Colins, O. F., Andershed, H., Hare, R. D., and Salekin, R. T. (2019). Proposed specifiers for Conduct Disorder (PSCD): Preliminary validation of the Parent Version in a Spanish sample of preschoolers. Psychological Assessment, 31, 1357-1367. doi: 10.1037/pas0000759 [Download PDF]
Meloy, J. R., Book, A., Hosker-Field, A., Methot-Jones, T., & Roters, J. (2018). Social, sexual, and violent predation: Are psychopathic traits evolutionarily adaptive? Violence and Gender, 5(3), 153-165. doi:10.1089/vio.2018.0012 [Download PDF]
Lilienfeld, S. O., Watts, A. L., Smith, S. F., Patrick, C. J., & Hare, R. D. (2018, August 6). Hervey Cleckley (1903–1984): Contributions to the study of psychopathy. Personality Disorders: Theory, Research, and Treatment. Advance online publication. [Download PDF]
Guay, J.-P., Knight, R. A., Ruscio, J., & Hare, R. D. (2018). A taxometric investigation of psychopathy in women. Psychiatry Research, 261, 565-573.
Krstic, S., Neumann, C. S., Roy, S., Robertson, C., Knight, R. A., & Hare, R. D. (2017). Using latent variable- and person-centered approaches to examine the role of psychopathic traits in sex offenders. Personality Disorders: Theory, Research, and Treatment. Accepted for publication. [Download PDF]
Hare, R. D. (2017). Commentary: A person-centered approach to research on the nature and meaning of psychopath-brain relations. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, 2(2), 111-112. doi:10.1016/j.bpsc.2017.01.007 [Download PDF]
Hare, R. D. (2016). Psychopathy, the PCL-R, and criminal Justice: Some new findings and current issues. Canadian Psychology, 57(1), 21-34. doi:10.1037/cap0000041 [Download PDF]
Gacono, C. B. (Ed.). (2016). The clinical and forensic assessment of psychopathy: A practitioner's guide (2nd ed.). New York, NY: Routledge.
Hare, R. D. (2016). Forward. In C. B. Gacono (Ed.), The clinical and forensic assessment of psychopathy: A practitioner's guide (2nd ed.). New York, NY: Routledge. [Download PDF]
Patrick, C. J. (Ed.). (2018). Handbook of psychopathy, 2nd edition. New York, NY: Guilford Press.
Glenn, A. L., & Raine, A. (2014). Psychopathy: An introduction to biological findings and their implications. New York, NY: NYU Press.
Haycock, D. (2014). Murderous minds. New York, NY: Pegasus Books.
Kiehl, K. (2014). The psychopath whisperer. New York, NY: Crown Publishing.
Kiehl, K. A., & Sinnott-Armstrong, W. P. (Eds.). (2013). Handbook on psychopathy and law. New York, NY: Oxford University Press.
Häkkänen-Nyholm, H., & Nyholm, J.-O. (Eds.). (2012). Psychopathy and law: A practitioner's guide. Oxford, UK: Wiley-Blackwell.
Hare, R. D. (2012). Introduction to the special issue: Focus on psychopathy. FBI Law Enforcement Bulletin, July. Available online at https://leb.fbi.gov/file-repository/archives/leb-july-2012.pdf/view
Lawrence, P. R. (2010). Driven to lead: Good, bad, and misguided leadership. New York, NY: Wiley.
Malatesti, L., & McMillan, J. (Eds.). (2010). Responsibility and psychopathy: Interfacing law, psychiatry and philosophy. Oxford, UK: Oxford University Press.
Salekin, R. T., & Lynam, D. R. (Eds.) (2010). Handbook of child and adolescent psychopathy. New York, NY: Guilford Press.
Felthous, A. R., & Saß, H. (Eds.). (2008). International handbook on psychopathic disorders and the law. Chichester, UK: Wiley.
Hare, R. D., & Neumann, C. S. (2008). Psychopathy as a clinical and empirical construct. Annual Review of Clinical Psychology, 4, 217-246. doi: 10.1146/annurev.clinpsy.3.022806.091452 [Download PDF]
St-Yves, M., & Tanguay, M. (2008). Psychology of criminal investigation: The search for the truth. Toronto, ON: Carswell. (Includes a chapter by Dr. M. Logan & Dr. R. D. Hare entitled "Criminal psychopathy: An introduction for police".)
Hervé, H., & Yuille, J. (Eds.). (2007). The psychopath: Theory, research, and practice. Mahwah, NJ: Routledge.
Babiak, P., & Hare, R. D. (2006). Snakes in suits: When psychopaths go to work. New York, NY: ReganBooks.
Patrick, C. J. (Ed.). (2006). Handbook of psychopathy. New York, NY: Guilford Press.
Forth, A. E., Kosson, D. & Hare, R. D. (2003). The Hare PCL: Youth Version. Toronto, ON: Multi-Health Systems.
Hare, R. D. (2003). Hare PCL-R 2nd Edition. Toronto, ON: Multi-Health Systems.
Frick, P., & Hare, R. D. (2001). The Antisocial Processes Screening Device. Toronto, ON: Multi-Health Systems.
Meloy, J. R. (Ed.). (2001). The mark of Cain: Psychoanalytic insight and the psychopath. Hillsdale, NJ: Analytic Press. Republished in 2014 by Routledge.
Hare, R. D., & Hervé, H. (1999). The Hare P-Scan Research Version. Toronto, ON: Multi-Health Systems.
Hare, R. D. (1998). Without conscience: The disturbing world of the psychopaths among us. New York, NY: Guilford Press.
Hart, S. D., Cox, D. N., & Hare, R. D. (1995). Manual for the Psychopathy Checklist: Screening Version (PCL:SV). Toronto, ON: Multi-Health Systems.
Meloy, J. R. (1988). The psychopathic mind: Origins, dynamics, and treatment. Lanham, MD: Jason Aronson, Inc.