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Balancing Curricular and Pedagogical Needs in Computational Construction Kits: Lessons from the DeltaTick Project

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Science Education Volume 99, Number 3, ISSN 0036-8326


To successfully integrate simulation and computational methods into K-12 STEM education, learning environments should be designed to help educators maintain balance between (a) addressing curricular content and practices and (b) attending to student knowledge and interests. We describe DeltaTick, a graphical simulation construction interface for the NetLogo modeling environment designed to make computational model construction a more "accessible" and "responsive" part of science and mathematics curricular activities through domain-specific, customizable construction libraries. With DeltaTick, learners assemble and reassemble predefined sets of "behavior blocks" to build simulations that represent a particular domain of study. When needed, blocks can be added, adjusted, or replaced to better reflect student knowledge, interests, or questions. We present coding analyses and vignettes from DeltaTick enactments in middle and high school classrooms to illustrate ways these features allowed learners to explore core curricular ideas, while also accommodating emergent student or classroom needs. From these findings, we posit two principles, "curricular example space" and "levels of responsivity," for the design of computational modeling environments intended for classrooms. We argue that this design approach can bring into better alignment the complex relationships between computational modeling activities, student knowledge, curricula, and teacher supports in K-12 classrooms.


Wilkerson-Jerde, M., Wagh, A. & Wilensky, U. (2015). Balancing Curricular and Pedagogical Needs in Computational Construction Kits: Lessons from the DeltaTick Project. Science Education, 99(3), 465-499. Retrieved May 23, 2022 from .

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    Journal of Interactive Learning Research Vol. 28, No. 3 (July 2017) pp. 269–303

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