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Teaching computational thinking to children in head start classrooms

Results from a randomized controlled trial

Bibliographic Data

ID19234234
AuthorsChris Doss (0000-0002-9333-7395, RAND Corporation, corresponding author), John F Pane (0000-0001-5155-2436, RAND Corporation), Victoria Jones (0000-0002-1104-3095, Ingredion (United States))
Year2026
Volume76
Pages445-467
Publication date2026-01-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueEarly Childhood Research Quarterly (JOURNAL)
Journal identifiersISSN: 0885-2006 • E-ISSN: 1873-7706
PublisherElsevier BV (PUBLISHER)
DOI10.1016/j.ecresq.2026.04.010
OpenAlexW7155168878
LanguageEN
References cited23

Despite efforts to broaden participation in computer science and its related fields, there exist stark disparities in participation in computer related fields by gender, race/ethnicity, and socio-economic status. One approach to combat these disparities is to expose children to computing concepts early, to provide them with the foundational skills needed to be successful in later courses. This article reports on the results of a randomized controlled trial evaluation of a novel curriculum that teaches computational thinking (CT) skills to children ages three through five in Head Start classrooms. We find that the curriculum improved child performance on a validated CT assessment by a significant 0.66 standard deviations (SDs), equivalent to moving the median control group student to the 75 th percentile had they been exposed to the curriculum. Effects of similar magnitude were seen for most domains of the CT assessment and subgroups of children. In a subset of children for whom we were able to obtain Head Start formative assessments, we saw the curriculum improved teacher ratings of math development by a significant 0.36 SDs but it had no effect on literacy or social-emotional development. Though we were underpowered to detect effects on teacher outcomes, survey results indicate that the curriculum may improve teacher confidence and knowledge in teacher CT skills, especially for novice and assistant teachers. These results indicate that prekindergarten can be an opportune time to start addressing disparities by teaching foundational computing skills and that a supplemental, short-term curriculum can produce measurable gains in children’s CT knowledge

Computational Thinking · Head start · Poison control · Randomized controlled trial · Cognitive and developmental aspects of mathematical skills · Human Factors and Ergonomics · Mathematics Education and Teaching Techniques · Teaching and Learning Programming

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