JULIAN MAXIMILIAN SIEBERT, Ph.D.

jms312 (at) stanford.edu — www.julian-siebert.com

Appointments

Education

Ph.D.

Stanford University Graduate School of Education, US
PhD in Developmental and Psychological Sciences & Education Data Science
Dissertation: Linguistically Fair Assessment of Multilingual Individuals: Consequent Consideration Throughout the Assessment Process
Advisor: Guillermo Solano-Flores

April 2025

M.Phil.

B.Soc.Sc.(Hons)

B.Soc.Sc.

Publications & Preprints

Siebert, J.M., Bell, P., Gutiérrez, N., Zegers, M., Falke, E., Domingue, B., Petscher, Y., Catts, H., Yan, L., Durán, L., Gorno-Tempini, M.L. (under review). Differences in reading screening accuracy by percentile cutoffand English proficiency: feature selection and group-wise prediction evaluation. Preprint: 10.35542/osf.io/kswau

Siebert, J.M., Fuentes-Jimenez, M., Ma, W.A., Townley-Flores, C., Saveedra, A., ROAR Developer Consortium, & Yeatman, J.D. (2024). Assessing word reading in Spanish: a lexical decision task for monolingual and multilingual students. PsyArXiv Preprints. doi: 10.31234/osf.io/qfdpb

Siebert, J.M. (under review). Closing the knowledge gap with narrative visualisations: lessons from a researchpractice partnership promoting multilingual students’ academic success.

Durán, L., Siebert, J.M., Zegers, M., Gutiérrez, N., Pei, F., Catts, H., Petscher, Y., GornoTempini, M.L. (forthcoming). Comparing the performance and growth of linguistically diverse and English-only students on commonly used early literacy measures.

Ramamurthy, M., Siebert, J.M., Kanopka, K., Yan, L., Zegers, M., Townley-Flores, C., Pei, F., Bell, P., Catts, H., Gorno-Tempini, M.L., & Yeatman, J.D.D. (under review). Visual tasks as language-agnostic early identification measures of reading challenges. Preprint: 10.31234/osf.io/ufwsp

Bhat, K., Mogan, D., Saveedra, A., Fuentes-Jimenez, M., Siebert, J.M., Ma, W.A., TownleyFlores, C., Richie-Halford, A., The ROAR Developer Consortium, Wilkey, E., & Yeatman, J.D. (2024). Shared and unique influences of phonological processing on reading and math. OSF Preprints. doi: 10.31219/osf.io/em3bg

Cubillos, M., Zegers, M., & Siebert, J.M. (under review). In-school leisure reading increases reading motivation: results from an adolescent quasi-experimental study.

Zegers, M., Durán, L., Zopluoglu, C., Pratt, A., Jasso, J., Siebert, J.M., Lichtmacher, J., Wong, A., Pei, F., & Gorno-Tempini, M.L. (under review). Spanish-English bilingual narrative story production and universal screening for reading problems: development and validation.

Manuscripts in Preparation

Siebert, J.M., Gutiérrez, N., Zegers, M., & Gorno-Tempini, M.L. Early predictions of reading difficulties: the role of expressive cocabulary in the first language.

Siebert, J.M., Attainment grouping of linguistic minority students in the UK, the US, and South Africa is structurally similar.

Zegers, M., Siebert, J.M., Durán, L., Ju´arez, R., Alfaro, J., Pei, F., & Gorno-Tempini, M.L. What makes a word difficult to read in Spanish? Insights on performance in decoding accuracy of Spanish-English bilingual students.

Zegers, M., Siebert, J.M., Durán, L., Murphy, H., Lichtmacher, J., & Gorno-Tempini, M.L. Features of item difficulty in Spanish and English elision tasks.

Durán, L., Zegers, M., Siebert, J.M., Pei, F., & Gorno-Tempini, M.L. Innovations in bilingual expressive vocabulary universal screening.

Technical Reports & Research Briefs

Durán, L., Zegers, M., Siebert, J.M., Zopluoglu, C., Murphy, H., Bell, P., Pei, F., & GornoTempini, M.L. (2024) Multitudes universal screener technical manual (first edition). University of California, San Francisco.

Yeatman, J.D., Townley-Flores, C., Wentzlof, K., Ma, W.A., Siebert, J.M., Fuentes-Jimenez, M., Saveedra, A., Murray, T.S., Bhat, K., Ramamurthy, M., & ROAR Developer Consortium. (2024). Rapid Online Assessment of Reading (ROAR) technical manual.

Solano-Flores, G., Hsieh, H., & Siebert, J.M. (2024). Learning English, learning in English, and learning about English: year 2 report. Stanford University and Stanford-Sequoia K-12 Research Collaborative.

Siebert, J.M., & Solano-Flores, G. (2023). Understanding systemic factors that limit English learners’ access to mathematics in high school: lessons from a research-practice partnership. Stanford University and Stanford-Sequoia K-12 Research Collaborative.

Siebert, J.M. (2022). Purpose makes the difference: a systematic comparison of two introductory statistics classes’ intended and implemented curricula. Stanford University.

Solano-Flores, G., Martínez, R. A., Biernacki, P. J., Hsieh, H., Nalbandyan, R., Siebert, J.M., & Melgarejo, V. (2022). Comprehensive analysis of systemic practices and individual critical events in mathematics instruction and assessment of English learners. Year 5 (2021-2022) Report. Stanford University and Stanford-Sequoia K-12 Research Collaborative.

Solano-Flores, G., Valdés, G., Altavilla, J. M., Biernacki, P. J., Cabral, B., Hsieh, H., Melgarejo, V., Nalbandyan, R., Siebert, J.M., Stepter, C., & Taube, J. (2021). Systemic practices and individual critical events in elementary and middle school mathematics instruction and assessment for English learners. Year 4 (2020-2021) Report. Stanford University and Stanford-Sequoia K-12 Research Collaborative.

Presentations

First-author Presentations

Siebert, J.M., Gutiérrez, N., Domingue, B., Catts, H., & Gorno-Tempini, M.L. (2024, July 12). An iterative random forest approach to task selection [Conference session]. Society for the Scientific Study of Reading (SSSR), Copenhagen, DK.

Siebert, J.M. (2024, April 12). Universal Reading Screening for California: Linguistically Sensitive Task Selection and Prediction Evaluation [Conference session]. National Council for Measurement in Education (NCME), Philadelphia, PA, US.

Siebert, J. M. (2023, April 15). Lacking Predictiveness of Success and Propagated Biases: The Use of Summative Assessments in Mathematics Course Placement Decisions [Conference session]. American Educational Research Association (AERA), Chicago, IL, US.

Siebert, J.M. (2021, November 30). English-Learners’ Access to Mathematics: Middle School Testing Practices and Course Trajectories [Poster abstract]. DAPS Third-Year Poster Session, virtual event.

Siebert, J.M. (2021, July 18-23). Toward Linguistically Fair IQ Screening: The Multilingual Vocabulary Test [Conference session]. International Congress of Psychology 2020+, virtual event.

*Siebert, J.M. (2020, July 1). Nonword Repetition as Linguistically Fair Speech Disorder Screening [Conference session]. International Neuropsychological Society, virtual event.

Siebert, J.M. (2020, June 26). Fair Speech and Language Disorder Screening for Multilingual Children [Conference session]. Wolfson Research Event. virtual event.

**Siebert, J.M. (2019, April 26). Fair Testing for People Speaking Multiple Languages: The Multilingual Vocabulary Test [Poster abstract]. Wolfson Research Event, Wolfson College Cambridge, England.

Siebert, J.M. (2018, July 20). A Linguistically Fair IQ Screening Tool for South Africa’s Multilingual Reality [Poster abstract]. International Neuropsychological Society Mid-year Meeting, Prague, CZ.

Session Organiser

Linguistically Equitable Reading Screening: Bias Analyses and Universal Item Design (2024, April 12). Coordinated Paper Session National Council for Measurement in Education (NCME), Philadelphia, PA, US.

Other Presentations

Gutiérrez, N., Siebert, J.M., Zegers, M., Yan, L., Durán, L., Catts, H., Petscher, Y., & GornoTempini, M.L. (2024, July 12). Exploring Relationships and Predictive Power of Early Literacy Measures on Word Reading Across Language Proficiencies [Conference session]. Society for the Scientific Study of Reading (SSSR), Copenhagen, DK.

Pei, F., Siebert, J.M., Bell, P., Zegers, M., Yan, L., & Gorno-Tempini, M.L. (2024, July 11). Introducing the Multitudes Project [Conference poster]. Society for the Scientific Study of Reading (SSSR), Copenhagen, DK.

Durán, L., Zegers, M., Zopluoglu, C., Siebert, J.M., Pei, F., Gorno-Tempini, M. (2024, May 15). Innovations in bilingual expressive vocabulary screening using conceptual scoring [Poster abstract]. Society for Research in Child Development Summit, Panama City, Panama.

Durán, L., Zopluoglu, C., Zegers, M., Siebert, J.M., (2024, April 12). Conceptual Scoring in Universal Screening: An Example Using Expressive Vocabulary [Conference session]. National Council for Measurement in Education (NCME), Philadelphia, PA, US.

Zegers, M., Siebert, J.M., Zopluoglu, C. (2024, April 12). Spanish Word Reading: Considerations for Item Selection, Stimulus Analysis, and Item Difficulty. [Conference session]. National Council for Measurement in Education (NCME), Philadelphia, PA, US.

Wilmot, D., Dye, V., Siebert, J.M., Mercado-Garcia, D. (2023, Nov 15). Expanding Opportunities to Access and Learn Mathematics: Lessons from Five Years of Research-Practice Partnership. California Educational Resarch Association (CERA), Anaheim, CA, US.

Yeatman, J.D., Ma, W., Gijbels, L., Townley-Flores, C., Siebert, J.M., Tran, J., Murray, T., Fuentes-Jimenez, M., Ramamurthy, M., & Richie-Halford, A. (2023, September 7). Rapid Online Assessment of Reading (ROAR): A platform for developmental cognitive neuroscience research at an unprecedented scale [Conference session].

Durán, L., Siebert, J.M., Domingue, B., Zegers, M., Gorno-Tempini, M. (2023, July 20). The Relationship of English Proficiency to Performance on Dyslexia Screening Measures. [Poster abstract]. Society of the Scientific Study of Reading Conference 2023. Port Douglas, Australia.

Catts, H., Petscher, Y., Summy, R., Edwards, A., Gutiérrez, N., Siebert, J.M., & GornoTempini, M.L. (2023, February 1). Computer Adaptive Word and Nonword Reading Measures for the Primary Grades [Conference poster]. Pacific Coast Research Conference (PCRC), Coronado Bay, CA.

*Marit Korkman Award for best student paper in paediatric neuropsychology.
**Award for best poster presentation

Teaching

Download the latest complete version of my CV as a pdf.