[email protected]
(212) 992-6701
Daphna Harel
246 Greene Street, 2nd floor
New York, NY 10003
Professional Experience
New York University, Assistant Professor of Applied Statistics, 2014 - Present.
Department of Humanities and Social Sciences in the Professions
Steinhardt School of Culture, Education and Human Development
Core Member: Center for the Promotion of Research Involving Innovative
Statistical Methodology, 2014 - Present.
Affiliated Faculty: NYU Center for Data Science, 2015 - Present.
NYU Population Center, 2015 - Present.
Education
Ph.D. Mathematics and Statistics, McGill University, 2014.
Dissertation: The effect of model misspecification for polytomous logistic adjacent
category item response theory models.
B.Sc. Probability and Statistics, McGill University, 2010.
First Class Honors with Distinction
Publications
*Indicates my leading author contributions such as first, last or corresponding author papers.
Indicates names of my supervised trainees or students
Journal Articles
1. *Harel, D., Hudson, M., Iliescu, A., Baron, M., & Steele, R.J. on behalf of the CSRG.
Performance of summed and weighted summary scores for the Medsger Disease Severity Scale compared to a Physician Global Assessment of Disease Severity in Systemic
Sclerosis. Journal of Rheumatology. (Forthcoming)
2. *Harel, D., Hitchcock, E.R., Ortiz, J., Szeredi, D., & McAllister Byun, T. Finding the
experts in the crowd: Validity and reliability of crowdsourced measures of children’s
gradient speech contrasts. Clinical Linguistics & Phonetics. (Forthcoming)
3. *Levis, A., Harel, D., Kwakkenbos, L., Carrier, M., Mouthon, L., Poiraudeau, S.,
Bartlett, S.J., Khanna, D., Malcarne, V.L., Sauve, M., Poole, J.L., Schouffoer, A.A.,
van den Ende, C.H.M., Welling, J., Thombs, B.D., & SPIN Investigators. Using Optimal Test Assembly Methods for Shortening Patient-Reported Outcome Measures:
Development and Validation of the Cochin Hand Function Scale-6. Arthritis Care &
Research. (2016) Epub ahead of print. doi: 10.1002/acr.22893/
4. Hitchcock, E.R., Harel, D., & McAllister Byun, T. Social, emotional, and academic
impact of residual speech errors in school-age children: A survey study. Seminars in
Speech and Language. Thieme Medical Publishers. (2015), 36(4):283-294.
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5. *Harel, D., Thombs, B.D., Hudson, M., Baron, M., & Steele, R.J. on behalf of the
CSRG. Measuring Fatigue in Systemic Sclerosis: A Comparison of the SF-36 Vitality
Subscale and FACIT Fatigue Scale. Rheumatology. (2012), 51(12):2177-2185.
Book Chapters
1. *Harel, D., & Wentland, E. Survey use in academic contexts: considerations and
guidelines. In Secolsky, C. & Denison, D.B. (Eds), Handbook on Measurement, Assessment and Evaluation in Higher Education. (2nd ed.) Routledge. (Forthcoming).
Extended Abstracts and Conference Proceedings
1. McAllister Byun, T., Hitchcock, E., & Harel, D. Validating and optimizing a crowdsourced method for gradient measures of child speech. Proceedings of Interspeech 2015
Special Session: Advanced Crowdsourcing for Speech and Beyond, Dresden, Germany.
(2015).
2. McAllister Byun, T., Halpin, P., & Harel, D. Crowdsourcing for gradient ratings of
child speech: Comparing three methods of response aggregation. Proceedings of 18th
International Conference of Phonetic Sciences, Glasgow, UK. (2015).
Under Review or Revision
1. McAllister Byun, T., Harel, D., Halpin, P., & Szeredi, D. Deriving gradient measures
of child speech from crowdsourced ratings (Under Review) Journal of Communication
Disorders.
2. *Harel, D., Thombs, B.D., Hudson, M., Baron, M., & Steele, R.J. From many to one:
understanding the complex nature of summarizing multidimensional traits. (Under
Review) PLoS-ONE
In Preparation
1. *Harel D, & Steele RJ. An information matrix test for the collapsing of categories
under the generalized partial credit model. (In Preparation)
Research Grants
1. Emerging Team: The Scleroderma Patient-centered Intervention Network
$1,499,765 with an additional $205,000 in partner funding (2012 - 2017)
Canadian Institutes of Health Research. Emerging Team Grant: Rare Diseases.
Role: Co-Investigator, with Brett Thombs (PI)
2. Estimating rater quality in a crowdsourced speech rating task
$130,000 in salary for postdoctoral researcher, Daniel Fernandez (2016 - 2018)
NYU Center for Data Science Moore-Sloane Environment
Role: Principal Investigator, with Panos Ipeirotis, Tara McAllister Byun
3. Virtual Reality Clinical Assessment of Visumotor Function and Visual Integration for
Postural Control for Patients with Vestibular Dysfunction
$10,000 (2016 - 2017) Steinhardt Research Development Award, New York University
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Role: Co-Investigator, with Anat Lubetzky-Vilnai and Ken Perlin (PIs)
4. Clinical, Morphological and Functional Success Predictors Following Lumbar Spinal
Surgery in Patients with Chronic Low Back Pain and Degenerative Disorders Phase 1:
a Pilot Study
$11,000 (2015 - 2016) University Research Challenge Fund, New York University
Role: Statistician, with Marilyn Moffat and Anat Lubetzky-Vilnai (PIs)
5. Developing and Validating Short-Form Versions of Patient-reported Outcome Measures
for Rheumatic Diseases
Canadian Institute for Health Research, Undergraduate Summer Studentship Award
$5,000 for undergraduate student, Alexander Levis, Rank 3/73. (2015)
Role: Principal Investigator/Supervisor, with Brett Thombs
6. Model misspecification in polytomous logistic adjacent-category item response theory
models.
$7,000 (2013 - 2014) Institute de Science Mathematiques Predoctoral Fellowship.
7. Measuring fatigue and disease severity in Systemic Sclerosis
$46,000 including $9,000 via the Maysie MacSporran Award, (2010 - 2013)
Canadian Scleroderma Research Group Training Program Predoctoral Fellowship.
Fellowships and Awards
NYU Steinhardt HMSS High Merit Award
ETS/IMPS Student Travel Award ($500)
Graduate Excellence Award ($6,000)
Departmental Teaching Assistant Award ($250)
McGill Graduate Student Fellowship ($5,000)
CSRG Best Clinical Trainee Abstract
Provost’s Graduate Fellowship ($5,000)
2012 2011,
2011 2010 -
2016
2013
2013
2012
2012
2011
2011
Invited Presentations for Research Groups
1. Statistical Considerations of Crowdsourced Estimates
New York University Center for Data Science, 2016.
2. Using Optimal Test Assembly to shorten Patient Reported Outcome measures.
Fordham University, 2016; New York University, 2015.
3. The Effect of Collapsing Categories on the Estimation of the Latent Trait.
New York University, 2014.
4. The Inadequacy of the Summed Score (and How You Can Fix It!): A Tale of the Center
for Epidemiological Studies Depression scale.
Université de Montréal, 2014; New York University, 2013.
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5. The Definition and Use of a Weighted Summed Score for the Ranking of Respondents
under the Generalized Partial Credit Model.
Educational Testing Services, 2014; McGill University, 2013.
6. Summarizing Disease Severity in Patients with Systemic Sclerosis.
Canadian Scleroderma Research Group, 2012, 2013.
7. Measuring Fatigue in Systemic Sclerosis: A Comparison of the SF-36 Vitality Subscale
and FACIT Fatigue Scale using Item Response Theory
McGill University, 2012; Canadian Scleroderma Research Group, 2011.
Conference Presentations and Posters
†
Indicates presenting author.
Presentations
1. Hitchcock, ER† , Harel, D, & McAllister Byun, T. (2015) When should we treat residual speech errors? Survey data on social, emotional, and academic impacts. Technical
Seminar presentation at the American Speech-Language-Hearing Association National
Convention, Denver, CO.
2. Harel D† , Steele RJ, Thombs B, Hudson M, Baron M & the CSRG. (2015). A Weighted
Summed Score for the Center for Epidemiologic Studies - Depression Scale in Systemic
Sclerosis. Joint Statistical Meetings, Seattle WA.
3. McAllister Byun T† , Halpin P, & Harel D. (2015) Crowdsourcing for gradient ratings
of child speech: Comparing three methods of response aggregation. 18th International
Conference of Phonetic Sciences, Glasgow, UK. Selected for highly selective discussant
session.
4. Harel D† , Steele RJ (2012) Measuring Disease Severity in Patients with Systemic
Sclerosis. Canadian Scleroderma Research Group Annual Meeting. Vancouver.
5. Harel D† , Steele RJ (2011) Measuring Fatigue in Patients with Systemic Sclerosis: the
SF-36 or the FACIT? Canadian Arthritis Network and Canadian Scleroderma Research
Group Annual Meeting. Quebec City, Quebec Invited Presentation, award winner
6. Harel D† , Steele RJ (2010) Comparing Fatigue in Scleroderma Patients. Canadian
Scleroderma Research Group Annual Meeting. Halifax, Nova Scotia
7. Harel D† (2010) Item Response Theory: an Application to LSAT Scores. Seminars in
Undergraduate Mathematics in Montreal. Montreal, Quebec.
Posters
1. McAllister Byun T† , Harel D, Hitchcock E, Ortiz J, Szeredi D. (2016) Finding experts
in the crowd: Validity and reliability of crowdsourced listeners’ ratings of clinical speech
samples. Motor Speech Conference, Newport Beach, CA.
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2. McAllister Byun T† , Harel D, Hitchcock E, Ortiz J, Szeredi D. (2016) Predicting
crowdsourced listeners’ ability to detect gradient phonetic contrast in child speech.
Linguistics Society of America Annual Meeting, Washington, DC.
3. McAllister Byun T† , Hitchcock E, & Harel D. (2015) Validating and optimizing a
crowdsourced method for gradient measures of child speech. Interspeech 2015 Special
Session: Advanced Crowdsourcing for Speech and Beyond, Germany.
4. Harel D† , Steele RJ (2013) Assessing the Utility of the Summed Score and Weighted
Summed Score for Stochastic Ordering in the Generalized Partial Credit Model. International Meeting of the Psychometrics Society: Arnhem, Netherlands
5. Harel D† , Hudson M, Illiescu A, Baron M, the CSRG, Steele RJ (2012) Measuring
Disease Severity in Systemic Sclerosis. Scleroderma Society of Canada Meeting. Vancouver, BC.
6. Harel D† , Thombs B, Hudson M, Baron M, the CSRG, Steele RJ (2011) Measuring
Fatigue in Systemic Sclerosis: the SF-36 or the FACIT? Scleroderma Society of Canada
Meeting. Quebec City, QC.
7. Harel D† , Steele RJ, Thombs B, the CSRG, and Baron M (2010) Analysis of Fatigue
Instruments in Patients with SSc. Scleroderma Society of Canada Meeting. Halifax.
Advising
Postdoctoral Fellows
Daniel Fernandez (2016, with Panos Ipeiroitis and Tara McAllister Byun)
Doctoral Students
Benjamin Selznick (Expected 2018, chair: Matthew Mayhew)
Sarah Randall Johnson (Expected 2016, chair: Frances Stage)
Masters Students
Miyabi Ishihara (Expected 2017)
Mayari Montes de Oca Salinas (Expected 2016)
Undergraduate Students
Alexander Levis (2015, with Brett Thombs)
Teaching
New York University
Practicum in Applied Probability, 2016
Survey Research Methodology, 2014 - 2016
Statistical Mysteries (and how to solve them!), 2015 - 2016
Applied Statistical Modeling and Inference, 2015 - 2016
McGill University
Principles of Statistics I, 2013
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Professional Activities
Journal reviews: Arthritis Care & Research, Journal of Psychosomatic Research, PLOSONE, Applied Clinical Informatics
Conference reviews: Crowdsourcing and Online Behavioral Experiments
Grant reviews: CRDF Global: Global Center for Food Systems Innovation Grants
Book reviews: Johns Hopkins University Press
Professional Associations:
Member, American Statistical Association
Member, American Education Research Association
Member, National Council on Measurement in Education
Member, Psychometric Society
Member, Statistical Society of Canada
2015 - Present
2015 - Present
2015 - Present
2014 - Present
2012 - 2014
Committees and Service
New York University
Benefits and Housing Committee of the Tenure/TenureTrack Faculty Senators Council Committee Member
Steinhardt School
Mitchell Leaska Dissertation Awards, Reviewer
Steinhardt Faculty Challenge Grants, Reviewer
2015 - 2016
2016
2015
PRIISM Center
Applied Statistics for Social Science Research M.Sc. Admissions 2015 - Present
Seminar Series, Organizer
2015 - Present
McGill University
Committee of Graduate Affairs
Committee of Undergraduate Affairs
2010 - 2013
2008 - 2010
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