Alexa Ellis, PhD


  • 2020, Ph.D., University of Michigan, Education and Psychology
  • 2015, M.S., University of Michigan, Developmental Psychology
  • 2014, B.A., University of Michigan, Psychology


Alexa is an educational psychologist interested in understanding the development of mathematical skills in both the home and school contexts. Her research focuses on development in context using longitudinal, experimental, and observational methodologies. Currently, Alexa is a Postdoctoral Fellow at Purdue University in the Human Development and Family Studies department collaborating with Dr. David Purpura on a project examining the unique and combined effects of mathematical language and numeracy instruction within a picture book intervention.

Selected Publications

  • Ellis, A., Ahmed, S.F., Zeytinoglu, S., Isbell, E., Grammer, J.K., Gehring, W.J., Calkins, S.D., Leerkes, E.M., Morrison, F.J. & Davis-Kean, P.E. (2021). Reciprocal associations between executive function and academic achievement: A conceptual replication of Schmitt et al. (2017). Journal of Numerical Cognition, manuscript accepted for publication.

  • Davis-Kean, P. E., & Ellis, A. (2019). An overview of issues in infant and developmental research for the creation of robust and replicable science. Infant Behavior and Development, 57, 101339.

  • Ellis, A., Hu, X., Smith, C. E., Davis-Kean, P. E., & Kovelman, I. (2018). Sharing as a model for understanding division. Neuroreport, 29(11), 889–893.

 Alexa Ellis

Postdoctoral Researcher

(PhD, University of Michigan)

Hanley Hall, Room 336C
Purdue University
1202 West State St.
West Lafayette, Indiana 47907-2055

Phone: 765-496-0233

Purdue University, 610 Purdue Mall, West Lafayette, IN 47907, (765) 494-4600

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