Yosep Dwi Kristanto
@yosepdwik
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A lifelong learner interested in mathematics and statistics education, covariational reasoning and ed-tech. Teacher and researcher at Universitas Sanata Dharma.
Yogyakarta, Indonesia
Joined June 2011
Made a site comparing the sizes of living things :) The great Julius Csotonyi spent 5 months painting over 60 illustrations for the site, no ai used
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When you first learn that ℕ, ℤ, and ℚ have the same size
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Announcing transition network analysis for Jamovi. A desktop app for network and sequence analysis with no need for coding. TNA excels at statistical rigor: every test and comparison has statistical significance, effect size and validated. https://t.co/RwBuqZThyd
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The ISLS 2026 First Call for Papers has been sent! The paper submission deadline is October 5, 2025, and the pre-conference event submission deadline is November 15, 2025. Check your inboxes for more information!
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"In their morning Calculus class, they learn that dividing by zero is undefined, and their Python class agrees with this. By the afternoon, however, their R workshop confidently declares 1/0 = Inf. Students wonder: Can they both be correct?" https://t.co/9rmuto2RE0
tandfonline.com
Imagine a common scenario encountered by many students in introductory Statistics and Data Science courses: In their morning Calculus class, they learn that dividing by zero is undefined, and their...
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Postdoc In Teacher Professional Development - Department of Applied Physics and Science Education, Eindhoven University of Technology, Netherlands https://t.co/eorijGWjsi
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Another one: "Kenapa jantung di sebelah kiri? Kenapa?"
Another question: "Kenapa gunung bentuknya segitiga?"
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New publication alert! 🚨 Cut the bullshit: why GenAI systems are neither collaborators nor tutors By Gene Flenady and Robert Sparrow https://t.co/GQAdzDB1ai
#HigherEducation #GenAI
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3D Modelling and Printing in Teacher Education: A Systematic Literature Review https://t.co/tfzuoCVWmg
link.springer.com
Journal for STEM Education Research - This systematic literature review investigates the integration of 3D modelling and printing (3DMP) into teacher education to understand current practices and...
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How are our research topics connected at #CERME14? Here's a keyword network from CERME14 papers & posters.
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Excited for #CERME14 next week! Here's the collaboration map based on co-authorships in conference papers and posters.
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Congrats to the winners! While my activity "What to Expect When You Are Expecting" didn't make it to the #ActivityBuilderSpotlight, I'm really grateful. Excited to see great work from the community!
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So grateful to see my activity "What to Expect When You Are Expecting" among these amazing finalists! Explore and vote for all the inspiring submissions by December 1! Every activity deserves your attention.
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Supporting a robust understanding of square root for middle school students
link.springer.com
Mathematics Education Research Journal - There is a need for middle school students to develop an understanding of square root as a functional relationship. Examining two continuously changing...
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Selamat Hari Pendidikan Nasional! #Hardiknas2024
How did Indonesia perform in PISA? Explore @OECD #OECDPISA data for 2022 with this Shiny #dashboard! https://t.co/5YeBrpNPNg
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A #Shiny #dashboard to explore statistics of Algebra and Trigonometry instructional videos. Data from Sept 2020 to Dec 2021, amidst #onlinelearning during the #COVID_19 pandemic. https://t.co/1gBq5JKBLe
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