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HBO/WO

MBO

8 april 2026

ACA-bot

ACA-bot is an engaging chatbot designed for Automated Conversational Assessment (ACA). Drawing inspiration from traditional oral exams, this text-based conversational agent transforms assessment into a dynamic learning experience. It supports both formative and summative evaluation by offering students personalised feedback and guidance at every step of their learning journey. The first ACA-bot prototype focuses on assessing students’ understanding of basic statistical concepts, but its flexible design allows for easy adaptation to a wide range of subjects and learning contexts. Through interactive dialogue, students can practise explaining ideas clearly under exam-like conditions, apply their knowledge to new and challenging questions, and refine their reasoning as they respond to follow-up prompts. They gain valuable insights into their own understanding, identify areas for improvement, and gradually build confidence for both oral and written assessments. For educators, ACA-bot offers a powerful way to scale oral examinations and enhance formative assessment without increasing workload. It automates parts of the assessment process, provides structured and actionable insights into student performance, and opens the door to more personal, interactive feedback at scale. By combining the strengths of conversational AI and educational assessment, ACA-bot turns evaluation into a collaborative, insightful process. It empowers students to think aloud, reason more effectively, and grow, while giving educators a smarter, more innovative way to understand and support learning. ACA-bot is een slimme en inspirerende chatbot die onderwijs en Artificial Intelligence samenbrengt. Geïnspireerd door het klassieke mondelinge examen tilt deze tekstgebaseerde gespreksagent Automated Conversational Assessment naar een nieuw niveau. Studenten krijgen via natuurlijke gesprekken directe, persoonlijke feedback en begeleiding, waardoor leren en toetsen samenvloeien in één boeiende ervaring. Het prototype van ACA-bot is ontwikkeld om kennis over statistiek te beoordelen, maar dankzij het flexibele ontwerp kan het systeem eenvoudig worden aangepast aan andere vakgebieden en toepassingen. Tijdens interactieve dialogen leren studenten helder uitleg geven, hun kennis toepassen op nieuwe vragen en hun redenering aanscherpen. Ze ontdekken waar hun begrip nog verdiept kan worden en groeien zichtbaar in zelfvertrouwen — waardevolle voorbereiding op zowel mondelinge als schriftelijke examens. Ook voor docenten biedt ACA-bot een slimme oplossing. Het maakt mondelinge toetsing schaalbaar, ondersteunt formatieve beoordeling via gesprek, en vermindert de werkdruk door delen van het beoordelingsproces te automatiseren. Bovendien geeft het gestructureerde inzichten in de voortgang en denkwijze van studenten, waardoor elke dialoog bijdraagt aan beter onderwijs. ACA-bot laat zien hoe Automated Conversational Assessment het leren persoonlijker, interactiever en effectiever maakt. Studenten denken hardop, verkennen hun eigen begrip, en verbeteren met vertrouwen — terwijl docenten op een innovatieve, datagedreven manier inzicht krijgen in hoe kennis werkelijk wordt begrepen.

App

Aki Härmä, Julie Bauer

2026

Presentation about observing and measuring the ocean

This presentation can be used to give a 60-100 minute lecture about observing the ocean and covers: Limitations of ocean observations Remote sensing Shipboard observations Eulerian and Lagrangian observations Autonomous instruments Steps to conduct ocean research. The lectuure is also included (UU login).

Presentatie

Emma Daniels, Erik van Sebille, Jamie Atkins

25 oktober 2025

Fracture Mechanics Fundamentals

In this video, Daniel Trias Mansilla explains the core principles of fracture mechanics, which provides an alternative to traditional stress analysis by accounting for the inherent cracks and defects in real materials. The field introduces two main criteria for predicting failure. The first is an energy-based approach, using the energy release rate (G), which measures the energy available to propagate a crack. The second is a stress-based approach, using the stress intensity factor (K), which characterizes the intense stress field near a crack tip. Fracture occurs when either of these values reaches a critical threshold (Gc or Kc), which are material properties known as fracture toughness. These concepts allow engineers to predict failure in flawed components more accurately than traditional methods. The video was produced by the Open GLASSroom project. Special thanks to Daniel Trias Mansilla for contributing to the Open GLASSroom OER collection. The creation of these resources has been (partially) funded by the ERASMUS+ grant program of the European Union under grant no. 2022-1-DE01-KA220-HED-000089750. Neither the European Commission nor the project's national funding agency DAAD are responsible for the content or liable for any losses or damage resulting of the use of these resources.

Video

Daniel Trias

18 september 2025

Thermo-optical Properties

In this video, Francesco Fiorito, from the Polytechnic University of Bari, explains how glass interacts with solar radiation. When sunlight hits a window, some energy is transmitted inside, some is reflected, and some is absorbed. Two key values define a glass's performance: the Solar Factor (or g-value), which measures total heat gain, and the Visible Light Transmittance (VLT), which measures how much light passes through. While clear glass has high values for both, it can cause overheating. Tinted glass reduces heat gain but also makes interiors darker. Selective glass uses special coatings to block heat (a low g-value) while still allowing plenty of light (a high VLT). Other coatings, like low-emissivity (low-e), help with thermal insulation. The video concludes that selecting the right glass is essential for energy efficiency and comfort in buildings. The video was produced by the Open GLASSroom project. Special thanks to Francesco Fiorito for contributing to the Open GLASSroom OER collection. The creation of these resources has been (partially) funded by the ERASMUS+ grant program of the European Union under grant no. 2022-1-DE01-KA220-HED-000089750. Neither the European Commission nor the project's national funding agency DAAD are responsible for the content or liable for any losses or damage resulting of the use of these resources.

Video

Francesco Fiorito

31 maart 2025

Workshop: Introduction to Basics of Copyright for Students

This workshop aims to introduce students to copyright basics in an engaging way by having them analyze real life cases of (re)using works, and sharing or publishing what they created. The workshop provides the students with a practical and systematic approach. In applying that to cases the intended effect is that students are not ‘afraid’ anymore of dealing with copyright and (open) licenses and also know how to work within copyright and license allowances, thus avoiding infringement and complying with norms of academic integrity. The cases are chosen in such a way to make sure that almost all aspects of copyright and reuse are addressed.

Document

Jeroen Bosman, Judith Hanekuijk, Sandra Kalsbeek, Saskia Manuela-Bergmans, Val Privalova

2025

Measures of association

This e-learning module introduces the incidence proportion ratio and incidence rate ratio through exercises, using the example of blood pressure in relation to mortality. By the end of this module, you will be able to calculate incidence proportion ratio and incidence rate ratio and know the differences between these two measures of association.

Website

Cora Busstra, Lenie Rossem, van, Luc Heerkens

2025

Effect measures and application

This e-learning module introduces different definitions of risk differences and risk ratios through exercises, using the example of lung cancer in rural and urban areas. By the end of this module, you will know when to use different relative or absolute effect measures.

Website

Cora Busstra, Lenie Rossem, van, Luc Heerkens

2025

Difference measures

This e-learning module introduces the concept of risk difference through exercises, using the example of incidence proportion of tuberculosis in people with seropositive and seronegative HIV-status. Module to learn how to calculate and interpret risk differences. By the end of this module, you will be able to: Know the concept of risk difference Calculate the attributable risk and attributable fraction

Website

Cora Busstra, Lenie Rossem, van, Luc Heerkens

2025

Prevalence and predictive values

In this e-learning module you will practice with the definitions of disease prevalence, sensitivity, specificity and the predictive value of different diagnostic tests through exercises. By the end of this module, you will know how disease prevalence and the measures sensitivity, specificity, and predictive value are interrelated.

Website

Cora Busstra, Lenie Rossem, van, Luc Heerkens

19 december 2024

Facing Floods: A stakeholder river management game

In river management, decisions are influenced by multiple stakeholders, each with different priorities, needs, and levels of influence. While collaboration is essential to solve river-related challenges, these differences create a complex dynamic environment in decision-making processes. This game simulates the challenges of river management by placing players in the roles of various stakeholders, each with their own goals, needs, and budgets. Players must work toward achieving their individual objectives while negotiating and cooperating with others, balancing personal interests with the shared responsibility of managing the river. The "Facilitator Guide" (see downloads) is designed to assist you in organizing and facilitating a game with 7 or more players, as well as preparing for the session. Additionally, you will find the various game materials required for gameplay. These materials need to be printed on A4 or A3 paper, with detailed printing instructions provided in the "Print Instructions" file. Learning goals • Experience the decision-making process related to complex systems as the development and management of river engineering infrastructure. • Get acquainted with the interests and goals of the involved stakeholders, realize that they may be conflicting or equivalent, and possibly bond with each other. • Debate the effectiveness and impacts of river interventions on the river system, environment and society, from the perspective of a stakeholder. • Appreciate the challenges of proposing a solution that integrates different river interventions and satisfies the goals of multiple stakeholders. • Reflect on the challenges of decision-making processes in complex systems. This game was developed for the River Engineering module, more specifically the unit River Functions and Management, of the MSc Civil Engineering program of the Technical University of Delft (TU Delft). However, the game is suitable for anyone interested in learning about stakeholder involvement and interactions in river management. More information about the use of the game can be found in the facilitator manual. Credits: this game was developed by the TU Delft Gamelab (website:https://copy.gamelab.tbm.tudelft.nl/).

Document

Geertje Bekebrede, Michelle de Smit