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Ψ
Professional, Training and Clinical Activities
● Contract psychologist to the Provincial and Federal Correctional
Services of Canada - assessment and ongoing treatment programs for men
on parole for violent and sexual offenses.
● Private practice specializing in forensic psychology.
● Ontario Review Board - Psychologist Member (The Ontario
Review Board annually reviews the status of every person who has been found
to be not criminally responsible, or unfit to stand trial for criminal
offences on account of a mental disorder).
● Workshops for police forces (e.g. Royal Canadian Mounted Police).
Expert evidence in a wide variety of legal cases related to violent and
and/or sexual offenses. These have included long term offender,
dangerous offender and homicide hearings.
Ψ
Research Interests
The major research interest of our group has
been the study of individuals who have been convicted of violent and
sexual offenses. We have studied diagnostic and treatment issues, as
well as factors related to recidivism in a wide array of violent offenders
including homicidal sex offenders, rapists, incest offenders, child molesters
and exhibitionists.
Ψ Text Books
● Abnormal Psychology: Perspectives (4th Ed. 2010) Dozois, D. &
Firestone, P., & Pearson Education Canada
● Abnormal Psychology: Perspectives (3rd Ed. 2006) Firestone, P., &
Dozois, D. Pearson Education Canada
● Abnormal Psychology: Perspectives, (2nd Ed. 2003) Firestone, P., & Marshall, W. Pearson
Education Canada.
● Abnormal Psychology: Perspectives (1999). Marshall, W. &
Firestone, P. Pearson Education Canada.
Ψ Recent Publications of Interest
● Bradford, John, M.W., Firestone, P., Ahmed, A.G., The
Paraphilia Disorders and Psychopathy. International Handbook of Psychopathic
Disorders, July 2020, John Wiley & Sons.
● Bradford, John, M.W. & Firestone, Philip & Ahmed, Adekunle
& Felthous, Alan & S, Hanna. The Paraphilic Disorders and
Psychopathy. CH 29 NOV. 2020, 671-691.
● Kingston,
D.A., Seto, M.C., Ahmed, A.G., Federoff, P., Firestone, P.,
& Bradford, J.M. (2012) The Role of Central and
Peripheral Hormones in Sexual and Violent Recidivism in Sex Offenders.
Journal of the American Academy of Psychiatry and the Law, 40:476-485.
● Kingston, D. A., Yates, P.M., Firestone, P. (2012) The
Self-Regulation Model of Sexual Offending: Relationship to Risk and Need. Law
and Human Behavior, 36, 3, 215-224.
● Moulden, H.M., & Firestone,
P. (2010) Therapist Awareness and Responsibility in Working
With Sexual Offenders, 22, 374-386.
● Moulden, H.M., Firestone, P.,
Kingston, D.A., & Wexler, A.F. (2010) A Description of
Sexual Offending Committed by Canadian Teachers. Journal of Child Sexual
Abuse, 19,4, 403-418.
● Kingston, D.A., Seto, M.C.,
Firestone, P., & Bradford, J.M. (2010) Comparing
Indicators of Sexual Sadism as Predictors of Recidivism Among Adult Male
Sexual Offenders. Journal of Consulting and Clinical Psychology, 78, 4,
574-578.
● Moulden, H.M., Firestone, P.,
Kingston, D.A., & Bradford, J.M. Recidivism in
Pedophiles: An Investigation Using Different Diagnostic Methods. (2010)
Journal of Forensic Psychiatry and Psychology, 20, 680-701.
● Firestone,
P., Moulden, H., Wexler, A. (2009)Clerics
who Commit Sexual Offenses: Offender, Offense, and Victim Characteristics.
Journal of Child Sexual Abuse, Vol. 18, 4, 442-454.
● Kingston, D.A., Firestone, P. (2009)
Problematic Hypersexuality: A Review of Conceptualization and
Diagnosis. Sexual Addiction and Compulsivity, 15,4, 284-310.
● Kingston, D.A., Yates,
P.Y., Firestone, P., Babchishin, K., & Bradford,
J.M., (2008) Long-term Predictive Validity of the Risk
Matrix: 2000: A Comparison with the Static-99 and the Sex Offender Risk
Appraisal Guide. Sexual Abuse: A Journal of Research and Treatment, 20,
466-484.
● Kingston, D.A., Firestone, P.,
Wexler, A., and Bradford, J.M. (2008)
Factors Associated with Recidivism among Intra-familial Child Molesters.
Journal of Sexual Aggression, 14,1, 13-18.
● Kingston, D., Federoff, P.,
Firestone, P., Curry, S., & Bradford, J.M. (2008)
Pornography Use and Sexual Aggression: The Impact of Frequency and Type of
Pornography On Recidivism In Sexual Offenders. Aggressive Behavior, 34, 1-11.
● Bradford, J.M., Federoff, P., & Firestone, P. Sexual
Violence: A Review. (pgs 441-460) In Ed.
Simon, R.I. & Tardiff, K. Textbook of
Violence Assessment and Management. American Psychiatric Publishing Inc.
Washington, D.C. 2008.
● Bradford, J.M., Firestone, P., Ahmed, A.G. The Paraphilias
and Psychopathy (pgs. 275-290) . In A.Felthous and
G. Henning (Eds.) The International Handbook of Psychopathic
Disorders and the Law. Chapter 16. West Sussex, England.
John Wiley and Sons Ltd., 2007
● Serran, G.S., Firestone,P.,
Marshall, W.L.and Moulden, H. (2007) Changes in Coping Following Treatment in
Child Molesters. Journal of Interpersonal Violence, 22, 9, 1199-1210.
● Kingston, A.D., Firestone, P.,
Moulden, H.M., & Bradford, J.M. (2007)
The Utility of the Diagnosis of Pedophilia: A Comparison of Various
Pedophilic Classifications. Archives of Sexual Behaviour, 36;423-436.
● Nunes, K.L., Hanson,
K.R., Firestone, P., Moulden, H., Greenberg, D. , &
Bradford, J.M. (2007) Denial Predicts Recidivism for Some Sexual
Offenders. Sexual Abuse: A Journal of Reseearch and
Treatment., 19, 2, 91-106.
● Moulden, H., M., Firestone, P.,
and Wexler, A.F. (2007)Child Care
Providers Who Commit Sexual Offenses: A Description of Offender,
Offence and Victim Characteristics. International Journal of
Offender Therapy & Comparative Criminology. 51,, 384-406.
● Nunes, K. L., Firestone, P.,
Wexler, A. F., Jensen, T. L., & Bradford, J. M. (2007). Incarceration and recidivism among sexual
offenders. Law and Human Behavior. 31, 305-318.
● Nunes, K.L., Firestone, P., and
Baldwin, M.W. (2007)Indirect Assessment of Cognitions
of Child Molesters with the Implicit Association Test. Criminal Justice and
Behavior. 34, 454-475.
● Moulden,
H.M., and Firestone, P. (2007) Vicarious Traumatization: The
Impact On Therapists Who Work With Sexual Offenders. Trauma, Violence and
Abuse. 8,1, 67-83.
● Firestone, P.,Kingston, A.D., Wexler, A., and Bradford, J.M. Long
Term Follow-up of Exhibitionists: Psychological, Phallometric, and
Offence Characteristics.(2006) Journal of the American Academy of Psychiatry
and the Law, 34, 349-359
● Firestone, P., Dixon, K.L.,
Nunes, K.L., and Bradford, J.M. (2005)A Comparison of Incest
Offenders Based on Victim Age. Journal of the American Academy of Psychiatry
and the Law, Vol 33, 2, 223-232.
● Firestone, P., Nunes,
K.L., Moulden, H., Broom, I., and Bradford, J.M. (2005) Hostility and Recidivism in
Sexual Offenders.Archives of Sexual
Behavior, Vol.34, No.3, 277-283.
● Greenberg,
D.M., Firestone, P., and Nunes, K.L. and Bradford, J.M.
Biological Fathers and Stepfathers Who Molest Their Daughters: Psychological,
Phallometric and Criminal Features. (2005) Sexual Abuse: A Journal
of Research and Treatment, Vol. 17, 1, 39-46.
● Serran, G., and Firestone, P. Intimate Partner Homicide: A Review of the Male Proprietariness and the Self-Defense Theories.
(2004) Journal of Aggression and Violent Behaviour, 9, 1-15.
● Rabinowitz
Greenberg, S.R., Firestone, P., Bradford, J.M., and Greenberg, D.M. Prediction of Recidivism in Exhibitionists:
Psychological, Phallometric, and Offence Factors. (2002) Sexual
Abuse: A Journal of Research and Treatment, Vol. 14, 4, 329-347.
● Nunes, K. Firestone,
P. Bradford, J.M., Greenberg, D.M., Broom, I. A
Comparison of the Static-99 and the Sex Offender Risk Appraisal Guide
(SORAG). (2002), Sexual Abuse: A Journal of Research and Treatment, Vol.
14, 3, 249-265.
● Greenberg, D.M., Bradford, J.M., Firestone, P. &
Curry, S. Relationships of Child Molesters. A Study of
victim Relationship with the Perpetrator. (2000), Child Abuse and
Neglect, 24, 11, 1485-1494.
● Firestone, P., Bradford,J.M.,
Greenberg, D.M. & Nunes, K.L. Differentiation
of Homicicdal Child Molesters,
Nonhomicidal Child Molesters, and Nonoffenders by Phallometry. (2000) Am
J Psychiatry 157: 1847-1850.
● Firestone, P., Bradford,J.M., Greenberg, D.M. S.,
& Serran, G.A. The
Relationship of Deviant Sexual Arousal and Psychopathy in Incest Offenders,
Extrafamilial Child Molesters and Rapists.
(2000) Journal of the American Academy of Psychiatry and the Law,
28,303-308.
● Firestone, P., Bradford, J.,
McCoy, M., Greenberg, D.M., Larose, M.R., Curry, S.
Prediction of Recidivism in Court Referred Child Molesters.
(2000) Sexual Abuse: A Journal of Research and Treatment, 12, 3, 203-222.
● Greenberg, D.M., Firestone, P. Bradford,J.M., Broom, I.(2000) Infantophiles.
In Schlesinger, L.B., Serial Offenders: Current Thought, Recent Findings,
Unusual Syndromes. Pgs. 229-246. CRC Press, LLC, N.Y
●Firestone,
P., Bradford, J.M., Greenberg, D.M., McCoy, M., Larose, M.R., Curry, S. Prediction
of Recidivism in Incest Offenders. (1999) Journal of Interpersonal
Violence, Vol. 14, No. 5, 511-531.
● Firestone, P., Bradford,
J.M., Greenberg, D.M., Larose, M.R. Homicidal Sex
Offenders: Psychological, Phallometric and Diagnostic Features. (1998) J.
American Academy Psychiatry and Law, Vol 26, No.4, 537-552
●Firestone,
P., Bradford, J.M., Greenberg, D.M., Larose, M.R., Curry, S.,
Homicidal and Non-Homicidal Child Molesters: Psychological, Phallometric and
Criminal Features. (1998) Sexual Abuse: A Journal of Research and Treatment,
10, 4, 305 B323.
● Firestone,
P., Bradford, J.M., McCoy, M., Greenberg, D.M., Larose, M.R., Curry, S. Recidivism
Factors in Convicted Rapists. (1998) J. American Academy
Psychiatry and Law, 26, 2, 185-200.
● Manion, I., Firestone, P.,
Cloutier, P., Ligezinska, M., McIntyre, J.,
& Ensom, R. Extrafamilial
Child Sexual Abuse: Predicting Parent and Child Functioning. (1998) Child
Abuse and Neglect, Vol. 22, 12, 1285-1304.
● Manion, I.G., McIntyre,
J., Firestone, P., Ligeinska, M., Ensom, R., & Wells, G. Secondary
traumatization in parents following the disclosure of extrafamilial child
sexual abuse: Initial effects. (1996). Journal of Child Abuse &
Neglect, 20, (11), 1095-1109.
● Ligezinska, M. & Firestone, P.,
Manion, I., McIntyre, J., Ensom, R., &
Wells, G. (1996). Children's emotional
and behavioral functioning following the disclosure of
extrafamilial sexual abuse. Journal of Child Abuse &
Neglect, 20, (2) 111-125
Publications ADHD
●Firestone, P., Monteiro Musten, L., Pisterman,S.,
Mercer, J., Bennett, S., Short-term side effects of stimulant medication
are increased with Attention-Deficit/Hyperactivity Disorder: A
double-blind placebo-controlled study (1998) Journal of Child and
Adolescent Psychopharmacology, 8,(1), 13-25.
●Monteiro-Musten, Firstone,
P., Pisterman, S., Bennet, S. and
Mercer, J. The effects of stimulant medication on pre-school ADHD
children: Behavioural and cognitive factors. (1997) J.of Am. Acad. Ch. & Adol. Psychiat., 36,(10),1407-1415.
●Claude, D., and Firestone, P. (1995). The development of hyperactive
boys: A 12-year follow-up. Canadian Journal of Behavioural
Sciences. Canadian Journal of Behavioural Science, 27, 2, 226-249.
●Pisterman, S., Firestone, P., McGrath,
P., Goodman, J.T., Webster, I., Mallory, R.,
& Goffin, B. (1992). The
Role of Parent Training in the Treatment of Preschoolers with
Attention Deficit Disorder with Hyperactivity. American Journal of
Orthopsychiatry, 62 (3), 397‑408.
●Pisterman,
S., Firestone, P. McGrath, Goodman, J.T., Webster, I.,
Mallory, R. (1992). The Effects of Parent Training on Parenting
Stress and Sense of Competence. Canadian Journal of Behavioral Sciences, 24(1),
41‑58.
●Bisnaire, L., Firestone, P., Rynard, D.
(1990). Factors Associated with Academic Achievement in Children
Following Parental Separation. American Journal of
Orthopsychiatry, 60(1), 67-76.
●. Pisterman, S., McGrath, P., Firestone,
P., Goodman, J.T., Webster, I., Mallory, R. (1989).
Outcome of Parent-Mediated Treatment of Preschoolers with Attention
Deficit Disorder with Hyperactivity. Journal of Consulting and
Clinical Psychology, 57, 628‑635
● Pressman, E., Roche, D., Davey,
J., & Firestone, P. (1986). Patterns of auditory
perception skills in children with learning disabilities: A computer‑assisted
approach. Journal of Learning Disabilities, 19 (8), 485‑488.
● Alberts‑Corush, J., Firestone, P. & Goodman, J.T. (1986). Attention and impulsivity
characteristics of the biological and adoptive parents of hyperactive and
normal control children. American Journal of
Orthopsychiatry, 56 (3), 413‑423.
 Firestone, P., Crowe, D.,
Goodman, J.T. & McGrath, P. (1986).
Vicissitudes of follow‑up studies: Differential effects of parent
training and stimulant medication with hyperactives. American
Journal of Orthopsychiatry, 56 (2), 184‑194.
●Butter
HJ. Lapierre Y. Firestone P. Blank A. (1984) Efficacy of ACTH
4-9 analog, methylphenidate, and placebo on attention deficit disorder
with hyperkinesis. Progress in Neuro-Psychopharmacology & Biological
Psychiatry. 8(4-6):661-4, 1984
●Butter, H.J., Lapierre, Y‑D.,
Firestone, P., & Blank, A. (1983). A
comparative study of the efficacy of ACTH 4‑9: Analog
methylphenidate and placebo on attention deficit disorder with
hyperkinesis. Journal of Clinical
Psychopharmacology, 3 (4).
●Firestone,
P., & Peters, S. (1983).
Minor physical anomalies and behavior in children: A
Review. Journal of Autism and Development Disorders, 13, 411‑425.
●Firestone,
P. & Prabhu, A. (1983).
Minor physical anomalies and obstretical complications.
Their relationship to hyperactive, psychoneurotic and normal children and
their families. Journal of Abnormal Child
Psychology, 11 (2), 207‑216.
●Firestone,
P. (1982). Factors associated with children's
adherence to stimulant medication. American Journal of
Orthopsychiatry, 52 (3), 447‑457.
●Firestone,
P., & Witt, J.E. (1982). Characteristics of
families completing and prematurely discontinuing
a behavioral parent‑training program. Journal
of Pediatric Psychology, 7 (2), 209‑222.
●Busby,
K., Firestone, P., & Pivik, T. (1981). Sleep patterns in hyperkinetic and
normal children. Sleep, 4 (4), 366‑383.
●Firestone,
P., Kelly, J.J., Goodman, J.T., & Davey, J. (1981).
Differential effects of parent training and stimulant medication with hyperactives: A progress report. The
Journal of the American Academy of Child Psychiatry, 20, 135‑147.
●Firestone,
P., Kelly, M., & Fike, S. (1980).
Are fathers necessary in parent‑training groups? Journal of
Clinical Child Psychology, 9 (1), 44‑47.
●Firestone, P., &
Backman, J. (1979). A review of
pharmacological and behavioral approaches to the treatment of
hyperactive children. American Journal of
Orthopsychiatry, 49, 500‑504.
●Firestone,
P., & Martin, J.E. (1979). An analysis of the
hyperactive syndrome. A comparison of
hyperactive, behavior problem, asthmatic and normal
children. Journal of Abnormal Child Psychology, 7 (3),
216‑273.
●Firestone,
P., Davey, J., Goodman, J.T., & Peters, S. (1978).
The effects of caffeine and methylphenidate on hyperactive
children. Journal of the American Academy of Child
Psychiatry, 7, 445‑446. Also in Pediatric Digest,
1979.
●Firestone, P., Goodman,
J.T., & Watters, B. (1978). Systematic
desensitization and its components in childhood disorders: A
review. Journal of Clinical Child Psychology, 7, 142‑148.
●Firestone,
P., Peters, S., Riviers, M., & Knights, B. (1978). Physical anomalies in hyperactives, retardates and normals,
their parents and siblings. Journal of Child
Psychology ad Psychiatry, 19, 155‑161.
●Firestone, P., Poitras‑Wright,
H., & Douglas, V.I. (1978). The effects of
caffeine on hyperactive children. Journal of Learning
Disabilities, 11 (3), 20‑28. Also in Modern
Medicine, 1979.
●Firestone,
P. (1977). The effects of
verbal and material rewards and punishers on the performance of impulsive and
reflective children. The Child Study Journal, 7, 17‑18.
●Firestone,
P. (1976). The effects and side
effects of time‑out on an aggressive nursery school
child. Journal of Behavior Therapy and Experimental
Psychiatry, 21, 23‑26.
●Firestone,
P., Lewy, F., & Douglas, V.I. (1976).
Hyperactivity and physical anomalies. Psychiatry Digest,
September, 25‑26.
●Firestone,
P., Lewy, F., & Douglas, V.I. (1976).
Hyperactive children and physical anomalies. Canadian Journal of
Psychiatry, 2, 23‑26.
● Firestone, P. (1975). Recent trends in
autism theory. Ontario Child Care Work Association Journal, July.
●Firestone,
P., & Douglas, V.I. (1975). The effects of
reward and punishment on reaction times and autonomic activity in hyperactive
and normal children. Journal of Abnormal Child Psychology, 3,
201‑216.
Publications Behavioural
Medicine
●Firestone, P., McGrath, P., & Feldman, W.
(1984). Advances in Behavioral Medicine for Children and
Adolescents. Lawrence Erlbaum Associates Inc., Publishers.
●McGrath, P., & Firestone, P. (Eds.)
(1983). Pediatric and
Adolescent Behavioral Medicine: Issues in Treatment.
New York: Springer Publishing Company.
● MCGrath,
P.J., Humphreys, P., Keene, D., Goodman, J.T., Lascelles, M.A., Cunningham,
J., Firestone, P. (1992). The Efficacy and
Efficiency of a Self Administered Treatment for Adolescent Migraine. Pain,
(2), 1-4.
● Leikin, L., Firestone, P.,
McGrath, P. & Bernard, P. Self-report measurement of children's
post-surgical symptoms. Psychosomatic Medicine, 1990, 51,
254-255.
● Guibert,
M.B., Firestone, P., McGrath, P., Goodman, J.T., Cunningham, J.S. (1990). Compliance Factors in
the Behavioral Treatment of Headache in Children and
Adolescents. Canadian Journal
of Behavioral Science, 22(1), 37‑44.
● McGrath, P.J.,
Humphreys, P., Goodman, J.T., Keene, D., Firestone, P.,
Jacob, P. & Cunningham, S.J. (1988). Relaxation prophylaxis of
childhood migraine: A randomized placebo‑controlled
trial. Developmental Medicine and Child Neurology, 30, 626‑631.
● Leikin,
L., Firestone, P., McGrath, P.J.
(1988). Physical symptom reporting in Type A & B
children. Journal of Consulting and Clinical Psychology, 56,
721‑726.
● Leikin, L., Firestone, P., McGrath,
P.J. (1988). Children's physical symptom reporting and
parental Type A behaviors. (Abstract). Canadian
Psychology, 29, 401.
● Cunningham, S.J.,
McGrath, P.J., Ferguson, H.B., Humphreys, P., D'Astous,
J.D., Latter, J., Goodman, J.T., & Firestone, P.
(1987). Personality and behavioural characteristics
in pediatric migraine. Headache, 27, 16‑20.
● Richter,
I.L., McGrath, P.J., Humphreys, P.J., Goodman, J.T., Firestone, P.,
& Keene, D. (1986). Cognitive and relaxation treatment
of pediatric migraine. Pain, 25, 195‑203.
● Fradkin,
B., & Firestone, P. (1986). Premenstrual
Tension, Expectancy, and Mother‑Child Relations. Journal
of Behavioral Medicine, 9 (3), 245‑259.
● McGrath,
P., Goodman, J.T., Firestone, P., Shipman, R., & Peters, S.
(1983). Recurrent abdominal pain: A psychogenic
disorder? Archives of Disease of
Childhood, 58 (11), 888‑890.
● Rose, M., Firestone, P., Heick, H.M.C., & Faught, A.K.
(1983). The effects of anxiety management training on the control of
juvenile diabetes mellitus. Journal
of Behavioral Medicine, 6 (4).
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