Ariel A. Williamson, PhD

female silhouette icon

Ariel A. Williamson, PhD, is a psychologist in the Department of Child and Adolescent Psychiatry and Behavioral Sciences at Children's Hospital of Philadelphia.

Locations: Main Campus
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

Education and Training

Internship

Predoctoral Internship in Clinical Psychology and Integrated Behavioral Health - Children’s Hospital of Philadelphia, Philadelphia, PA

Graduate Degree

PhD in Clinical Psychology - University of Delaware, Newark, DE
MA in Clinical Psychology - University of Delaware, Newark, DE
MA in Counseling Psychology, Child Track - Northwestern University, Evanston, IL

Titles and Academic Titles

Psychologist

Departments and Services

Publications

Papers

2018

Fowles, T.R., Masse, J. J., McGoron, L., Beveridge, R. M., Williamson, A. A., Smith, M.A., & Parrish, B. P. (2018). Intensive home-based vs. clinic-based parent-child interaction therapy (PCIT): Comparative effectiveness and attrition in the context of dissemination and implementation. Journal of Child and Family Studies, 27(4), 1115-1129. doi: 10.1007/s10826-017-0958-3.

Grassetti, S. N., Williamson, A. A., Herres, J., Kobak, R., Layne, C. M., Kaplow, J. B., & Pynoos, R. S. (2018). Evaluating referral, screening, and assessment procedures for middle school trauma/grief-focused treatment groups. School Psychology Quarterly, 33(1), 10-20. doi: 10.1037/spq0000231.

2017

Aleman, X., Duryea, S., Guerra, N. G., McEwan, P., Stampini, M., & Williamson, A. A.* (2017). The effects of musical training on child development: a randomized trial of El Sistema in Venezuela. (*authorship is alphabetical). Prevention Science, 18(7), 865-878. doi: 10.1007/s11121-016-0727-3

Herres, J., Williamson, A. A., Kobak, R. R., Layne, C., Kaplow, J., Saltzman, W., & Pynoos, R. (2017). Internalizing and externalizing symptoms moderate treatment response to school-based trauma and grief component therapy for adolescents. School Mental Health, 9(2), 184-193. doi: 10.1007/s12310-016-9201-1

Mindell, J.A., Leichman, E. S., Lee, C., Williamson, A. A., & Walters, R. M. (2017). Implementation of a nightly bedtime routine: How quickly do things improve? Infant Behavior and Development, 49, 220-227. doi: 10.1016/j.infbeh.2017.09.013.

Williamson, A. A., Raglin-Bignall, W. J., Swift, L. E., Hung, A. H., Robins, P. M., Power, T. J. & Mautone, J. A. (2017). Ethical and legal issues in integrated care settings: Case examples from pediatric primary care. Clinical Practice in Pediatric Psychology, 5, 196-208. doi: 10.1037/cpp0000157

Williamson, A. A., Rubens, S., Patrick, K., Moore, M., & Mindell, J. A. (2017). Differences in sleep patterns and problems by race in a clinical sample of Black and White preschoolers. Journal of Clinical Sleep Medicine, 13(11), 1281-1288. doi: 10.5664/jcsm/6798.

2016

Ahn, Y., Williamson, A. A., Seo, H-J., Sadeh, A., & Mindell, J. A. (2016). Sleep patterns among Korean infants and toddlers: A global comparison. Journal of Korean Medical Science, 31, 261-269. doi: 10.3346/jkms.2016.31.2.261

Blechner, M. S., & Williamson, A. A. (2016). Behavioral consequences of obstructive sleep apnea syndrome (OSAS). In DelRosso, L., & Cielo, C. (Eds.) special issue on Pediatric OSAS, Current Problems in Pediatric and Adolescent Health Care, 46, 19-26. doi: 10.1016/j.cppeds.2015.10.007

Mindell, J. A., Sedmak, R., Boyle, J. T., Butler, R., & Williamson, A. A. (2016). Sleep Well! A pilot study of an education campaign to improve sleep of socioeconomically disadvantaged children. Journal of Clinical Sleep Medicine, 12, 1593-1599. doi: 10.5664/jcsm.6338

Rubens, S., Patrick, K. E., Williamson, A. A., Moore, M., & Mindell, J. A. (2016). Individual and socio-demographic factors related to presenting problem and diagnostic impressions at a pediatric sleep clinic. Sleep Medicine, 25, 67-72. doi: 10.1016/j.sleep.2016.06.017

Williamson, A. A., Harrison, R. R., Reader, S., K, & Tynan, D.W. (2016). Parent-child groups for externalizing disorders: Outcomes, socio-demographic moderators, attendance, and attrition in a real-world setting. Evidence-Based Practice in Child and Adolescent Mental Health, 1 (2-3), 126-143, doi: 10.1080/23794925.2016.1227945.

Williamson, A. A., Patrick, K. E., Rubens, S. L., Mindell, J. A., & Moore M. (2016). Pediatric sleep disorders in an outpatient sleep clinic: Clinical needs of children with neurodevelopmental conditions. Clinical Practice in Pediatric Psychology, 4(2),188-199. doi:10.1037/cpp0000135

2015

Grassetti, S. N., Herres, J., Williamson, A. A., Yarger, H. A., Layne, C. M., & Kobak, R. R. (2015). Narrative focus predicts symptom change trajectories in group treatment for traumatized and bereaved adolescents. Journal of Clinical Child & Adolescent Psychology, 44, 933-941. doi: 10.1080/15374416.2014.913249

Lucas-Molina, B., Williamson, A. A., Pulido, R., & Pérez-Albéniz, A. (2015). Effects of teacher-student relationships on peer harassment: A multilevel study. Psychology in the Schools, 52, 298-315. doi:10.1002/pits.21822

2014

Williamson, A. A., Knox, L., Guerra, N. G., & Williams, K. R. (2014). A pilot randomized trial of community-based parent training for immigrant Latina mothers. American Journal of Community Psychology, 53, 47-59. doi: 10.1007/s10464-013-9612-4.

Williamson, A. A., Guerra, N. G., & Tynan, D. W. (2014). The role of health and mental health care providers in gun violence prevention. Clinical Practice in Pediatric Psychology, 2, 88-98. doi: 10.1037/cppp0000055

Lucas-Molina, B., Williamson, A. A., Pulido, R., & Calderón, S. (2014). Adaptation of the Participant Role Scale (PRS) in a Spanish youth sample: Measurement invariance across gender and relationship with sociometric status. Journal of Interpersonal Violence, 29, 2904-2930. doi: 10.1177/0886260514527822

Castro-Olivo, S., Palardy, G., Albeg, L. A., & Williamson, A. A. (2014). Validation of the Coping with Acculturative Stress in American schools (CASAS) scale. Assessment for Effective Intervention, 40, 3-15. doi: 10.1177/1534508413500983

2013

Williamson, A. A., Dierkhising, C. B., & Guerra, N. G. (2013). Brief report: Piloting the Positive Life Changes (PLC) program for at-risk adolescents. Journal of Adolescence, 36, 623-628. doi: 10.1016/j.adolescence.2013.03.004

2012

Guerra, N. G., Williamson, A. A., & Sadek, S. (2012). Youth perspectives on bullying in adolescence. The Prevention Researcher, 19, 14-16. 

Abstracts

2018

Williamson, A. A., Lanzilotta, K., Ambrulavage, N., Krasny, J., Bhandari, E., Mindell, J.A., & Marcus, C. L. (accepted for 2018, June). Prevalence and correlated of early childhood sleep disorders in primary care: Implications for health disparities research. Symposium presentation, S. Beck (Chair), “Interdisciplinary pediatric sleep research: The legacy of Carole Marcus,” 32nd annual SLEEP meeting, Baltimore, MD.

Williamson, A. A., Lanzilotta, K., Ambrulavage, N., Krasny, J., Bhandari, E., Marcus, C. L., & Mindell, J.A. (accepted for 2018, June). Cumulative risk is associated with preschoolers’ sleep patterns and problems. Poster presentation for the 32nd annual SLEEP meeting, Baltimore, MD.

Williamson, A. A., Lanzilotta, K., Ambrulavage, N., Krasny, J., & Mindell, J.A. (submitted for 2018, November). Insomnia symptoms, poor sleep health, and behavioral concerns in preschoolers presenting to primary care. Symposium presentation (Chairs: J. Young & J. Mautone) submitted to the Convention of Association for Behavioral and Cognitive Therapies, Washington, DC.

Books

Chapters

2017

Njoroge, W., Williamson, A. A., Mautone, J. A., Robins, P. M., & Benton, T. (2017). Professional competencies and training guidelines for behavioral health providers in pediatric primary care. Child and Adolescent Psychiatric Clinics of North America, 26, 717-731. doi: 10.1016/j.chc.2017.06.002.

2016

Meltzer, L. J., Thomas, J. H., & Williamson, A. A. (2016). Sleep Disturbances. In R. J. R. Levesque (Ed.), Encyclopedia of Adolescence (pp.1-12). New York: Springer. doi: 10.1007/978-3-319-32132-5_98-2

Williamson, A. A., Guerra, N. G., & Shadowen, N. L. (2016). From school bullying to dating violence: Coercive developmental processes and implications for intervention. In T. Dishion & J. Snyder (Eds.) The Oxford Handbook on Coercive Dynamics in Close Relationships (pp. 300-312). New York: Oxford University Press. doi:10.1093/oxfordhb/9780199324552.013.22

Williamson, A. A., Moore, M., & DelRosso, L. (2016). A 4-year-old child with paroxysmal nocturnal events. In American Academy of Sleep Medicine (Ed.), Case Book of Sleep Medicine (pp. 425-429). Darien, IL: American Academy of Sleep Medicine.

2015

Williamson, A. A., Modecki, K. L., & Guerra, N. G. (2015). Social-emotional learning programs in high school. In J. A. Durlak, C. Domitrovich, R. P. Weissberg, & T. P. Gullotta (Eds.). Handbook of Social and Emotional Learning (SEL): Research and Practice (pp. 181-196). New York: Guildford Press.

2013

Williamson, A. A., Guerra, N. G., & Lucas-Molina, B. L. (2013). What can high schools do to prevent cyber bullying? In R. Hanewald (Ed.), From Cyber Bullying to Cyber Safety: Issues and Approaches in Educational Contexts (pp. 225-243). New York, NY: Nova Science Publishers.

Posters and Presentations

2018

Williamson, A. A., Mindell, J. A., Hiscock, H., Quach, J. (2018, May). The role of cumulative socio-ecological risks in child sleep problem trajectories: Birth to ages 10-11 years. Paper presentation submitted to the Pediatric Academic Societies Meeting, Toronto, Canada.

Williamson, A. A., Mindell, J. A., Hiscock, H., Quach, J. (2018, April). Does cumulative socio-ecological risk in infancy predict persistent sleep problem trajectories? Paper presentation for the International Pediatric Sleep Association annual meeting, Paris, France.

2017

Williamson, A.A., Lanzilotta, K., Ambrulavage, N., Krasny, J., Marcus, C. L., & Mindell, J.A. (2017, November). Sleep, internalizing, and externalizing concerns in preschoolers presenting to urban primary care. Poster presentation for the Bi-Annual Pediatric Sleep Medicine Conference, Amelia Island, FL.

Williamson, A.A., Leichman, E. S., Walters, R. M., & Mindell, J.A. (2017, November). Sleep outcomes in a global sample of toddlers sleeping in cribs versus beds. Poster presentation for the Bi-Annual Pediatric Sleep Medicine Conference, Amelia Island, FL.

Williamson, A. A., Lanzilotta, K., Ambrulavage, N., Krasny, J., Marcus, C. L., & Mindell, J.A. (2017, September). Early childhood sleep and behavior problems in urban primary care: Implications for intervention. Paper presented at the Developing and Researching Advanced Models of Integrated Primary Care Conference, Nemours/Alfred I. duPont Hospital for Children Wilmington, DE.

Leichman, E. S., Williamson, A.A., Walters, R. M., & Mindell, J.A. (2017, June). Real world use of a smartphone application intervention for infant and toddler sleep disturbances. Poster presented at the 31st annual SLEEP meeting, Boston, MA.

Williamson, A.A., Lanzilotta, K., Ambrulavage, N., Krasny, J., Marcus, C. L., & Mindell, J.A. (2017, June). Sleep and executive functioning among young children presenting to urban primary care clinics.  Poster presented at the 31st annual SLEEP meeting, Boston, MA.

Williamson, A.A., Leichman, E. S., Walters, R. M., & Mindell, J.A. (2017, June). To bed or not to bed? Crib is the answer! Paper presented at the 31st annual SLEEP meeting, Boston, MA.

2016

Rubens, S., Williamson, A. A., Patrick, K. E., Moore, M., & Mindell, J. A. (2016, June). Associations between socio-demographic factors and recommendations given in a pediatric sleep clinic. Poster presented at the 30th annual SLEEP meeting, Denver, CO.

Williamson, A. A., & Guerra, N. G. (2016, June). Sleep duration, externalizing problems, and risk-taking in an early adolescent sample. Poster presented at the 30th annual SLEEP meeting Denver, CO.

Williamson, A. A., Rubens, S. L., Patrick, K. E., Moore, M., & Mindell, J. A. (2016, June). Racial differences in sleep patterns and problems among young children presenting to an outpatient sleep clinic. Poster presented at the 30th annual SLEEP meeting, Denver, CO.

Zhou, E. S., Rubens, S. L., Patrick, K. E., Williamson, A. A., Moore, M., & Mindell, J. A. (2016, March). Does travel distance play a role in the types of patients seen in a pediatric sleep clinic? Poster presented at the Annual Meeting and Scientific Sessions of the Society of Behavioral Medicine, Washington, DC.

Williamson, A. A., & Guerra, N. G. (2016, March). Prevalence and psychosocial correlates of violence exposure among adolescents in Venezuela. In C. Bradshaw (Chair), Global unmet mental health needs of adolescents. Paper presented at the Society for Research on Adolescence Biennial Meeting, Baltimore, MD. 

Invited Lectures

2017

Williamson AA. Sleep and Cognitive Development: Implications in Early Childhood, Neuropsychology Seminar, CHOP. Dec 2017.

Williamson AA. Integrated Behavioral Health Services, Dept. of Psychology, La Salle University. Oct 2017.

Williamson AA. Conduct Disorder: Diagnosis and Intervention, Dept. of Psychology, Saint Joseph’s University. Oct 2017.

Williamson AA. Early Childhood Sleep Problems, Nurse-Family Partnership, PA. Sept 2017.

Williamson AA. Ethics Panel, Developing and Researching Advanced Models of Integrated Primary Care Conference, Nemours/Alfred I. duPont Hospital for Children. Sept 2017.

Williamson AA. Research-to-Practice Gaps in Identifying and Treating Pediatric Sleep Problems in Early Childhood, Dept. of Psychology, The College of New Jersey. Feb 2017.

2016

Williamson AA. Integrated Behavioral Health, Dept. of Psychology, Rutgers University, Camden. Sept 2016.

Williamson AA. Pediatric Psychology and Integrated Behavioral Health, Dept. of Psychology, Saint Joseph’s University. Sept 2016.

Williamson AA. Common Behavioral Sleep Problems in Childhood, Resident Seminar, CHOP. Aug 2016.

Williamson AA. Sleep and Development, Parent and Staff Seminar, Early Head Start, CHOP. June 2016.

Williamson AA. Methods to Access Community Mental Health Services, Parent and Staff Seminar, Early Head Start, CHOP. May 2016.

Awards and Honors

2018-2019, Career Development Award, Sleep Research Society Foundation
2017, Early Investigator Merit-Based Travel Award, Sleep Research Network
2017, Young Investigator Research Forum, American Academy of Sleep Medicine
2017, Implementation Science Institute Scholarship, University of Pennsylvania
2016 and 2017, Student Merit Award, Sleep Research Society
2015-2016, Fellowship, Leaders of Education in Neurodevelopmental Disabilities, CHOP
2014 and 2015, Professional Development Award, University of Delaware
2014-2015, Dissertation Fellowship, University of Delaware
2015, Travel Award, Leaders of Education in Neurodevelopmental Disabilities, Children's Hospital of Philadelphia

Editorial and Academic Positions

Editorial Positions

Ad Hoc Reviewer

Clinical Practice in Pediatric Psychology
Journal of  Child and Family Studies
Journal of Clinical Psychology in Medical Settings
Journal of  Developmental Psychology
Journal of Pediatrics and Child Health
Health Psychology
School Mental Health
Journal of Research on Adolescence
Training & Education in Professional Psychology

Leadership and Memberships

Memberships in Professional Organizations

American Academy of Sleep Medicine
Society for Pediatric Psychology and Integrated Primary Care Special Interest Group
Society of Clinical Child and Adolescent Psychology 
Sleep Research Society
Sleep Expert, Pediatric Sleep Council
Board of Directors, Beds for Kids Program