William Simpson is a Lecturer in the Negotiations, Organizations, and Markets Unit and Principal Statistician in Research Computing Services at Harvard Business School. He earned his B.S. in Physics from California Institute of Technology, M.S. in Computer Science from University of Michigan, and Ph.D. in Clinical Psychology from Boston University. Dr. Simpson teaches the course, Seminar in Applied Statistical Methods, for doctoral students working on dissertation research, and the statistics module of Theory and Practice of Research. As a statistician with Research Computing Services, he has provided statistical support and data analysis for a wide variety of faculty research projects. He has also been a statistical consultant for a number of organizations including Cambridge Hospital, Children’s Hospital, the Trauma Center at Justice Resource Institute, Abt Associates, Verizon, and the Forum Corporation.
Publications
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Article
| Journal of Clinical Psychiatry
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A Randomized Clinical Trial of EMDR, Fluoxetine and Pill Placebo in the Treatment of PTSD: Treatment Effects and Long-term Maintenance
Bessel A. van der Kolk, Joseph Spinazzola, Margaret E. Blaustein, James Hopper, Elizabeth Hopper, Deborah Korn and William B. Simpson
Keywords: Health Testing and Trials;
Health Care and Treatment;
Health Disorders;
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Article
| Journal of Psychosomatic Research
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Preliminary Evidence for Parasympathetic Influence on Basal Heart Rate in Posttraumatic Stress Disorder
J. W. Hopper, J. Spinazzola, W. B. Simpson and B. A. van der Kolk
Keywords: Health;
Information;
Health Disorders;
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Article
| Journal of Clinical Endocrinology & Metabolism
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Prevalence and Incidence of Androgen Deficiency in Middle-Aged and Older Men: Estimates from the Massachusetts Male Aging Study
Andre B. Araujo, Amy B. O'Donnell, Donald J. Brambilla, William Simpson, Christopher Longcope, Alvin M. Matsumoto and John B. McKinlay
Keywords: Health;
Gender Characteristics;
Information;
Massachusetts;
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Article
| International Journal of Law and Psychiatry
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Telephone Scatologia: Comorbidity with other Paraphilias and Paraphilia-Related Disorders
M. Price, M. Kafka, M. L. Commons, T. G. Gutheil and W. Simpson
Keywords: Health Disorders;
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Article
| Imagination, Cognition and Personality
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Is Absorption a Diathesis for Dissociation in Sexually and Physically Abused Patients?
R. G. Kunzendorf, D. M. Hulihan, W. Simpson, N. Pritykina and K. Williams
Keywords: Health;
Citation: Kunzendorf, R. G., D. M. Hulihan, W. Simpson, N. Pritykina, and K. Williams. "Is Absorption a Diathesis for Dissociation in Sexually and Physically Abused Patients?" Imagination, Cognition and Personality 17, no. 4 (1997): 277–282.
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Article
| Archives of Pediatrics & Adolescent Medicine
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Malnutrition in Hospitalized Pediatric Patients: Current Prevalence
K. M. Hendricks, C. Duggan, L. Gallagher, A. C. Carlin, D. S. Richardson, S. B. Collier, W. Simpson and C. Lo
Keywords: Health;
Food;
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Conference Presentation
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15
Jun
2004
What is the Best Measure of Adiposity for Predicting Testosterone? Results from the Massachusetts Male Aging Study
William B. Simpson, Frances J. Hayes, Andre B. Araujo and John B. McKinlay
Keywords: Measurement and Metrics;
Health Testing and Trials;
Age Characteristics;
Gender Characteristics;
Massachusetts;
Citation: Simpson, William B., Frances J. Hayes, Andre B. Araujo, and John B. McKinlay. "What is the Best Measure of Adiposity for Predicting Testosterone? Results from the Massachusetts Male Aging Study." Paper presented at the Enocrine Society Annual Meeting, New Orleans, LA, June 15, 2004.
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Conference Presentation
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25
Apr
2004
Secular Changes in Testosterone over 17 Years: Results from the Massachusetts Male Aging Study
William B. Simpson, Andre B. Araujo, Christopher Longcope and John B. McKinlay
Keywords: Change;
Health;
Age Characteristics;
Gender Characteristics;
Massachusetts;
Citation: Simpson, William B., Andre B. Araujo, Christopher Longcope, and John B. McKinlay. "Secular Changes in Testosterone over 17 Years: Results from the Massachusetts Male Aging Study." Paper presented at the American Society of Andrology Annual Meeting, Baltimore, MD, April 25, 2004.
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Conference Presentation
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1
Aug
2003
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6
Aug
2003
The Influence of Time Pressure on Creative Thinking in Organizations
Teresa M. Amabile, J. S. Mueller, W. B. Simpson, L. Fleming and C. N. Hadley
Keywords: Creativity;
Cognition and Thinking;
Citation: Amabile, Teresa M., J. S. Mueller, W. B. Simpson, L. Fleming, and C. N. Hadley. "The Influence of Time Pressure on Creative Thinking in Organizations." Paper presented at the Academy of Management Annual Meeting, Seattle, WA, August 01–06, 2003.
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Conference Presentation
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10
Dec
2001
Psychological Sequelae of Early Trauma II: Comorbid Diagnoses or Diagnostic Entity?
Margaret E. Blaustein, Joseph Spinazzola, William B. Simpson and Bessel van der Kolk
Keywords: Health;
Health Disorders;
Citation: Blaustein, Margaret E., Joseph Spinazzola, William B. Simpson, and Bessel van der Kolk. "Psychological Sequelae of Early Trauma II: Comorbid Diagnoses or Diagnostic Entity?" Paper presented at the International Society for Traumatic Stress Studies Annual Meeting, December 10, 2001.
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Conference Presentation
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20
Mar
2001
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21
Mar
2001
QAP: The Quadratic Assignment Procedure
William B. Simpson
Keywords: Mathematical Methods;
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Conference Presentation
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01
Nov
2000
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05
Nov
2000
Psychological Sequelae of Early Trauma: Comorbid Diagnoses or Diagnostic Entity?
Margaret E. Blaustein, Joseph Spinazzola, William B. Simpson and Bessel A. van der Kolk
Keywords: Health;
Health Disorders;
Citation: Blaustein, Margaret E., Joseph Spinazzola, William B. Simpson, and Bessel A. van der Kolk. "Psychological Sequelae of Early Trauma: Comorbid Diagnoses or Diagnostic Entity?" Paper presented at the International Society for Traumatic Stress Studies Annual Meeting, San Antonio, TX, November 01–05, 2000.
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Conference Presentation
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1
Mar
2000
Making Friends with ODS and PROC TEMPLATE
William B. Simpson
Keywords: Software;
Citation: Simpson, William B. "Making Friends with ODS and PROC TEMPLATE." Boston Area SAS Users Group, Boston, MA, March 1, 2000.
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Conference Presentation
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1
Dec
1998
An Introduction to Mixed Models in SAS
William B. Simpson
Keywords: Software;
Mathematical Methods;
Citation: Simpson, William B. "An Introduction to Mixed Models in SAS." Boston Area SAS Users Group, Boston, MA, December 1, 1998.
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Conference Presentation
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8
Aug
1990
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12
Aug
1990
Multidimensional Scaling of DSM-III Personality Disorders in Two Populations
W. B. Simpson, M. J. Lyons, L. Young and M. T. Tsuang
Keywords: Health;
Health Disorders;
Demographics;
Citation: Simpson, W. B., M. J. Lyons, L. Young, and M. T. Tsuang. "Multidimensional Scaling of DSM-III Personality Disorders in Two Populations." Paper presented at the Annual Convention of the American Psychological Association, Boston, MA, August 08–12, 1990.
Research Summary
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Research Summary
Statistical Methodology
by
William B. Simpson
William Simpson is developing methods of inference to use when assumptions of standard models are not met. He has created a hypothesis test to use for ipsative variables that adjusts for the non-zero correlations among variables expected under the null hypothesis. He has developed a number of extensions of the quadratic assignment procedure -- a method used for dyadic data in social network analysis -- for generalized linear models, multiple networks, and network panel data.
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Research Summary
Clinical Research
by
William B. Simpson
Dr. Simpson has been a consulting statistician for clinical research, especially in studies of post-traumatic stress disorder. Most recently, he has been involved in a clinical trial comparing a pharmacological treatment and an exposure-based psychological treatment for post-traumatic stress disorder.
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