Seaker: Olaf Borghi - Royal Holloway, University of London
Time: 11.00-12.00
Place: 0B.23

Speaker: Yayouk Willems - Max Planck Institute
Time: 12.00-13.00 
Plaats: 1A.37

Children growing up in low-income households are at increased risk for poorer physical and mental health across the life course. Epigenetic modifications, such as DNA methylation, have been proposed as one biological pathway through which socioeconomic inequalities in childhood may become embedded and influence later-life health. In this talk, I will present findings from our studies examining associations between early socioeconomic inequality and DNA methylation. In addition, drawing on evidence from  a randomized controlled trial of unconditional monthly cash transfers in the United States, we examined whether reductions in poverty have causal effects on the epigenome. These findings are discussed in the broader context of early-life inequality and the emergence of health disparities across development.

Speaker: Jimmy de la Torre - University of Hong Kong
Time: 15.00-16.00
Place: 0B.23

Cognitive diagnosis models (CDMs) can serve as a coherent framework for integrating the two distinct components of personalized learning, namely, adaptive testing and adaptive learning. Cognitive diagnosis computerized adaptive testing (CD-CAT) can further capitalize on the advantages of CDMs and make diagnostic testing more efficient. In this presentation, several item selection indices will be compared with respect to their attribute classification accuracy, item usage, and implementation time. In addition to a real data example involving a proportional reasoning test, CD-CAT for different item responses, test formats, and large number of attributes, as well as nonparametric CD-CAT will also be discussed. Moreover, various procedures that optimize mastery detection, hence, improve the adaptive learning process will be covered in this presentation. In particular, various sequential change detection statistics that minimize detection delay, a two-stage adaptive detection procedure that involves the use of pedagogically rich and highly discriminating items, and an adaptive learning scheme that can exploit response accuracy and response time for simultaneously instructing multiple skills will be presented. The presentation will conclude with a discussion of some of the challenges, recent developments, necessary infrastructure, and possible future directions in the area of personalized learning, as well as potential implications of such developments on disadvantaged students.

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Time: 11:15 - 12:15 uur
Place: 1A21 

During this "Responsible Research hour" we welcome any topic (broadly related to responsible research), but we especially want to hear from everyone: where do you go with questions, dilemmas, and considerations regarding good practices and research integrity? This meeting is also an opportunity to meet the new confidential counselors we have at our institute! Everyone is welcome at these monthly meetings, whether you want to listen or actively contribute to the discussion.

The goal is to provide space for reflection and mutual learning. If you would like to propose a topic for discussion in advance, or if you would like someone else to raise it for you (with or without mentioning your name), please feel free to let a member of the Research Committee know (or contact the chair of this committee, Anna van 't Veer, directly).

During the last meeting, for example, we exchanged experiences and ideas about posthumous authorship and briefly touched on how to handle retracted publications on our university's staff websites. Suggestions have already been made for future meetings to discuss responsible publishing and the use of AI as a researcher.

Speaker: Marij Hillen - Amsterdam UMC
Time: 11.00-12.00
Place: 1A.12

Uncertainty is an inherent part of healthcare, yet how it is navigated remains a critical challenge. In this session, Marij will present her group’s latest research on how healthcare professionals and patients manage and discuss these moments.

Register here