{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T09:42:52Z","timestamp":1776678172290,"version":"3.51.2"},"reference-count":49,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2026,4,12]],"date-time":"2026-04-12T00:00:00Z","timestamp":1775952000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Computers"],"abstract":"<jats:p>Guaranteeing equitable access to computational thinking (CT) remains a persistent challenge in computing education, particularly across socioeconomically diverse school contexts. Although prior research has demonstrated the effectiveness of block-based and physical computing environments, limited empirical evidence has examined whether structured instructional mediation can compensate for contextual disparities. This quasi-experimental pre\u2013post study addresses this gap by analyzing CT development in three socioeconomically diverse primary schools in Chile (N=88, third grade), including private urban, public urban, and rural public institutions. Students engaged in scaffolded Scratch programming and Arduino simulation activities designed to explicitly support abstraction, sequencing, and debugging processes. These activities were framed within a broader STEAM learning approach, integrating computational thinking with problem-solving, experimentation, and interdisciplinary reasoning. Statistical analysis revealed significant differences in instructional time across contexts (F(2,85)=14.62, p&lt;0.001, \u03b72=0.26), indicating structural disparities in pacing. However, no statistically significant differences were observed in CT gains (F(2,85)=0.31, p=0.74), suggesting that structured pedagogical scaffolding buffered contextual inequalities. These findings provide empirical evidence from a Latin American non-WEIRD context and advance the conceptualization of instructional mediation as a compensatory mechanism for equity in early computing education. This study contributes to digital equity research by demonstrating that instructional design quality may play a more decisive role than infrastructural availability in enabling computational thinking development for all learners.<\/jats:p>","DOI":"10.3390\/computers15040237","type":"journal-article","created":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T07:29:29Z","timestamp":1776065369000},"page":"237","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Instructional Mediation for Equitable Computational Thinking in STEAM Learning Across Diverse School Contexts"],"prefix":"10.3390","volume":"15","author":[{"given":"Jesennia","family":"C\u00e1rdenas-Cobo","sequence":"first","affiliation":[{"name":"Facultad de Ciencias e Ingenier\u00eda, Universidad Estatal de Milagro, Cdla. Universitaria Km 1.5 v\u00eda Km 26, Milagro 091706, Ecuador"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Moyra","family":"Castro-Paredes","sequence":"additional","affiliation":[{"name":"Centro de Investigaci\u00f3n y Desarrollo Educacional (CIDE), Universidad de Talca, Talca 3460000, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rodrigo","family":"Saens-Navarrete","sequence":"additional","affiliation":[{"name":"Facultad de Econom\u00eda y Negocios, Universidad de Talca, Talca 3460000, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-1694-7756","authenticated-orcid":false,"given":"Claudia","family":"de la Fuente-Burdiles","sequence":"additional","affiliation":[{"name":"Departamento de Visualizaci\u00f3n Interactiva y Realidad Virtual, Universidad de Talca, Talca 3460000, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1600-3447","authenticated-orcid":false,"given":"Cristian","family":"Vidal-Silva","sequence":"additional","affiliation":[{"name":"Departamento de Visualizaci\u00f3n Interactiva y Realidad Virtual, Universidad de Talca, Talca 3460000, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1145\/1118178.1118215","article-title":"Computational Thinking","volume":"49","author":"Wing","year":"2006","journal-title":"Commun. ACM"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"38","DOI":"10.3102\/0013189X12463051","article-title":"Computational Thinking in K\u201312: A Review of the State of the Field","volume":"42","author":"Grover","year":"2013","journal-title":"Educ. Res."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"715","DOI":"10.1007\/s10639-015-9412-6","article-title":"Computational Thinking in Compulsory Education: Towards an Agenda for Research and Practice","volume":"20","author":"Voogt","year":"2015","journal-title":"Educ. Inf. Technol."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"2059","DOI":"10.1007\/s10639-021-10700-2","article-title":"A systematic literature review regarding computational thinking and programming in early childhood education","volume":"27","author":"Bati","year":"2022","journal-title":"Educ. Inf. Technol."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"127","DOI":"10.1007\/s10956-015-9581-5","article-title":"Defining Computational Thinking for Mathematics and Science Classrooms","volume":"25","author":"Weintrop","year":"2016","journal-title":"J. Sci. Educ. Technol."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"142","DOI":"10.1016\/j.edurev.2017.09.003","article-title":"Demystifying Computational Thinking","volume":"22","author":"Shute","year":"2017","journal-title":"Educ. Res. Rev."},{"key":"ref_7","doi-asserted-by":"crossref","unstructured":"van Dijk, J.A.G.M. (2017). Digital Divide: Impact of Access. The International Encyclopedia of Media Effects, John Wiley & Sons.","DOI":"10.1002\/9781118783764.wbieme0043"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"569","DOI":"10.1080\/1369118X.2015.1012532","article-title":"Digital Inequalities and Why They Matter","volume":"18","author":"Robinson","year":"2015","journal-title":"Inf. Commun. Soc."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"45","DOI":"10.9734\/ajrcos\/2024\/v17i10509","article-title":"Enhancing Accessibility and Engagement in Computer Science Education for Diverse Learners","volume":"17","author":"Wiredu","year":"2024","journal-title":"Asian J. Res. Comput. Sci."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"103607","DOI":"10.1016\/j.compedu.2019.103607","article-title":"A Systematic Review of Learning Computational Thinking Through Scratch in K-9","volume":"141","author":"Zhang","year":"2020","journal-title":"Comput. Educ."},{"key":"ref_11","first-page":"502","article-title":"The Effects of Scratch Software on Students\u2019 Computational Thinking Skills","volume":"11","author":"Durak","year":"2017","journal-title":"Necatibey Fac. Educ. Electron. J. Sci. Math. Educ."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"978","DOI":"10.1016\/j.compedu.2011.10.006","article-title":"Exploring the Educational Potential of Robotics","volume":"58","author":"Benitti","year":"2012","journal-title":"Comput. Educ."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"20602","DOI":"10.1109\/ACCESS.2022.3150101","article-title":"Exploiting Arduino Features to Develop Programming Competencies","volume":"10","author":"Pereira","year":"2022","journal-title":"IEEE Access"},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"60","DOI":"10.1145\/1592761.1592779","article-title":"Scratch: Programming for All","volume":"52","author":"Resnick","year":"2009","journal-title":"Commun. ACM"},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"51","DOI":"10.1016\/j.chb.2014.09.012","article-title":"Review on Teaching and Learning of Computational Thinking","volume":"41","author":"Lye","year":"2014","journal-title":"Comput. Hum. Behav."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"102041","DOI":"10.1016\/j.learninstruc.2024.102041","article-title":"The impact of a block-based visual programming curriculum: Untangling coding skills and computational thinking","volume":"95","author":"Yang","year":"2025","journal-title":"Learn. Instr."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"105954","DOI":"10.1016\/j.chb.2019.03.018","article-title":"Developing Young Children\u2019s Computational Thinking with Educational Robotics: An Interaction Effect between Gender and Scaffolding Strategy","volume":"105","author":"Angeli","year":"2020","journal-title":"Comput. Hum. Behav."},{"key":"ref_18","unstructured":"Eguchi, A. (2014, January 18). Robotics as a Learning Tool for Educational Transformation. In Proceedings of 4th International Workshop Teaching Robotics, Teaching with Robotics & 5th International Conference Robotics in Education, Padova, Italy."},{"key":"ref_19","doi-asserted-by":"crossref","unstructured":"Laptev, G., and Shaytan, D. (2026). Maker-centered learning and knowledge construction in university-based innovation space. Proceedings of the 2025 9th International Conference on Education and Multimedia Technology (ICEMT \u201925), Association for Computing Machinery.","DOI":"10.1145\/3761843.3761896"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"951","DOI":"10.1007\/s11423-022-10097-w","article-title":"Developing effective and accessible activities to improve and assess computational thinking and engineering learning","volume":"70","author":"Yin","year":"2022","journal-title":"Educ. Technol. Res. Dev."},{"key":"ref_21","doi-asserted-by":"crossref","unstructured":"Vidal-Silva, C., Serrano-Malebran, J., and Pereira, F. (2019). Scratch and Arduino for Effectively Developing Programming and Computing-Electronic Competences in Primary School Children. Proceedings of the 2019 38th International Conference of the Chilean Computer Science Society (SCCC), IEEE.","DOI":"10.1109\/SCCC49216.2019.8966401"},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"118924","DOI":"10.1109\/ACCESS.2024.3449228","article-title":"Developing Programming Competencies in School-Students With Block-Based Tools in Chile, Ecuador, and Peru","volume":"12","year":"2024","journal-title":"IEEE Access"},{"key":"ref_23","doi-asserted-by":"crossref","unstructured":"C\u00e1rdenas-Cobo, J., Vidal-Silva, C., and M\u00e1quez, N. (2025). Dataset on Programming Competencies Development Using Scratch and a Recommender System in a Non-WEIRD Primary School Context. Data, 10.","DOI":"10.3390\/data10060086"},{"key":"ref_24","first-page":"75","article-title":"A Systematic Review of the Challenges in Teaching Programming for Primary Schools\u2019 Students","volume":"8","year":"2023","journal-title":"Online J. TVET Pract."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"7993","DOI":"10.1007\/s10639-022-10915-x","article-title":"The effectiveness of unplugged activities and programming exercises in computational thinking education: A Meta-analysis","volume":"27","author":"Li","year":"2022","journal-title":"Educ. Inf. Technol."},{"key":"ref_26","doi-asserted-by":"crossref","unstructured":"Yamaguchi, R., and Eaton, C. (2024). Designing for Equity in Education Via Computational Thinking: A Case Study. Proceedings of the 55th ACM Technical Symposium on Computer Science Education (SIGCSE 2024), Association for Computing Machinery.","DOI":"10.1145\/3626252.3630825"},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"104961","DOI":"10.1016\/j.compedu.2023.104961","article-title":"The cognitive effects of computational thinking: A systematic review and meta-analytic study","volume":"210","author":"Montuori","year":"2024","journal-title":"Comput. Educ."},{"key":"ref_28","doi-asserted-by":"crossref","unstructured":"Lubin, I. (2018). Technology for Education in Low-Income Countries: Supporting the UN Sustainable Development Goals. ICT-Supported Innovations in Small Countries and Developing Regions, Springer.","DOI":"10.1007\/978-3-319-67657-9"},{"key":"ref_29","doi-asserted-by":"crossref","unstructured":"Fraillon, J., Ainley, J., Schulz, W., Friedman, T., and Duckworth, D. (2020). Preparing for Life in a Digital World: ICILS 2018, International Association for the Evaluation of Educational Achievement.","DOI":"10.1007\/978-3-030-38781-5"},{"key":"ref_30","doi-asserted-by":"crossref","unstructured":"Belmar, H. (2022). Review on the teaching of programming and computational thinking in the world. Front. Comput. Sci., 4.","DOI":"10.3389\/fcomp.2022.997222"},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"1949","DOI":"10.1007\/s10763-021-10227-5","article-title":"Integrating Computational Thinking in STEM Education: A Literature Review","volume":"20","author":"Wang","year":"2022","journal-title":"Int. J. Sci. Math. Educ."},{"key":"ref_32","doi-asserted-by":"crossref","unstructured":"Saritepeci, M., and Yildiz Durak, H. (2024). Theoretical Framework for Integrating Computational Thinking in Education. Integrating Computational Thinking Through Design-Based Learning, Springer.","DOI":"10.1007\/978-981-96-0853-9"},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"581","DOI":"10.3102\/00346543241241327","article-title":"Coding and Computational Thinking Across the Curriculum: A Review of Educational Outcomes","volume":"95","author":"Mills","year":"2025","journal-title":"Rev. Educ. Res."},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"e70079","DOI":"10.1111\/jcal.70079","article-title":"Impact of Integrating Computational Thinking in STEM Education on Students\u2019 Cognitive and Non-Cognitive Skills: A Meta-Analysis","volume":"41","author":"Yang","year":"2025","journal-title":"J. Comput. Assist. Learn."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"100122","DOI":"10.1016\/j.caeo.2023.100122","article-title":"A systematic review of integrating computational thinking in early childhood education","volume":"4","author":"Su","year":"2023","journal-title":"Comput. Educ. Open"},{"key":"ref_36","unstructured":"Brennan, K., and Resnick, M. (2012, January 13\u201317). New Frameworks for Studying and Assessing Computational Thinking. Proceedings of the 2012 Annual Meeting of the American Educational Research Association, Vancouver, BC, Canada."},{"key":"ref_37","doi-asserted-by":"crossref","unstructured":"Vidal-Silva, C., Jim\u00e9nez-Quintana, C., and Madariaga-Garc\u00eda, E. (2022). Arduino for Developing Problem-Solving and Computing Competencies in Children. Int. J. Adv. Comput. Sci. Appl., 13.","DOI":"10.14569\/IJACSA.2022.0131098"},{"key":"ref_38","unstructured":"Margolis, J., Estrella, R., Goode, J., Holme, J.J., and Nao, K. (2010). Stuck in the Shallow End: Education, Race, and Computing, The MIT Press. [revised ed.]."},{"key":"ref_39","doi-asserted-by":"crossref","first-page":"1","DOI":"10.26716\/jcsi.2020.03.2.1","article-title":"Engaging Equity Pedagogies in Computer Science Learning Environments","volume":"3","author":"Madkins","year":"2020","journal-title":"J. Comput. Sci. Integr."},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1177\/0735633117743918","article-title":"Computational Thinking Equity in Elementary Classrooms: What Third-Grade Students Know and Can Do","volume":"57","author":"Tran","year":"2019","journal-title":"J. Educ. Comput. Res."},{"key":"ref_41","doi-asserted-by":"crossref","unstructured":"Goode, J., Skorodinsky, M., Hubbard, J., and Hook, J. (2020). Computer Science for Equity: Teacher Education, Agency, and Statewide Reform. Front. Educ., 4.","DOI":"10.3389\/feduc.2019.00162"},{"key":"ref_42","doi-asserted-by":"crossref","first-page":"2550007","DOI":"10.1142\/S0129156425500077","article-title":"Edge Computing and Internet of Things in Ideological and Political Education in Colleges: A New Paradigm of Intelligent Teaching","volume":"35","author":"Ma","year":"2026","journal-title":"Int. J. High Speed Electron. Syst."},{"key":"ref_43","doi-asserted-by":"crossref","unstructured":"Suriyan, K., Ganesh, S., Palaniyammal, P., Priya, G., and Singh, V. (2026). Recent Trends in Edge Computing: Challenges and Opportunities. Building Data-Driven Edge Systems for Business Success, IGI Global.","DOI":"10.4018\/979-8-3373-1147-0.ch013"},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"200433","DOI":"10.1016\/j.sasc.2025.200433","article-title":"Enhancing computer education through IoT-Enabled learning environments leveraging mobile edge computing for real-time feedback","volume":"8","author":"Yu","year":"2026","journal-title":"Syst. Soft Comput."},{"key":"ref_45","doi-asserted-by":"crossref","unstructured":"Fern\u00e1ndez-Caram\u00e9s, T.M., and Fraga-Lamas, P. (2019). Towards Next Generation Teaching, Learning, and Context-Aware Applications for Higher Education: A Review on Blockchain, IoT, Fog and Edge Computing Enabled Smart Campuses and Universities. Appl. Sci., 9.","DOI":"10.3390\/app9214479"},{"key":"ref_46","doi-asserted-by":"crossref","unstructured":"Chen, Q., Wang, Z., Su, Y., Fu, L., and Wei, Y. (2022). Educational 5G Edge Computing: Framework and Experimental Study. Electronics, 11.","DOI":"10.3390\/electronics11172727"},{"key":"ref_47","doi-asserted-by":"crossref","first-page":"499","DOI":"10.1080\/00401706.1989.10488618","article-title":"Statistical Power Analysis for the Behavioral Sciences","volume":"31","author":"Muller","year":"1989","journal-title":"Technometrics"},{"key":"ref_48","unstructured":"Field, A. (2013). Discovering Statistics Using IBM SPSS Statistics, Sage."},{"key":"ref_49","unstructured":"Raudenbush, S., and Bryk, A. (2002). Hierarchical Linear Models, Sage Publications."}],"container-title":["Computers"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2073-431X\/15\/4\/237\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T08:44:41Z","timestamp":1776674681000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2073-431X\/15\/4\/237"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4,12]]},"references-count":49,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2026,4]]}},"alternative-id":["computers15040237"],"URL":"https:\/\/doi.org\/10.3390\/computers15040237","relation":{},"ISSN":["2073-431X"],"issn-type":[{"value":"2073-431X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,4,12]]}}}