Projects per year
Personal profile
Research
I hold a Master’s degree in Educational Sociology and a Ph.d. from Aarhus University. Since 2014, I have been affiliated with the Danish School of Education (DPU) in various roles within research and teaching. My early research focused on health education, where I conducted follow-up studies of national development projects. In this context, I specifically examined how health education initiatives impacted students' well-being and learning. Over time, my work has expanded to include comparative education and International Large-Scale Assessment studies (ILSAs).
ILSA studies such as TIMSS (Trends in International Mathematics and Science Study), PISA (Programme for International Student Assessment), and PIRLS (Progress in International Reading Literacy Study) provide valuable insights into students’ academic achievement. Additionally, they contain extensive data on students' well-being, their experiences with subjects, peers, teachers, and overall school life. I utilise ILSA data to explore various dimensions of students’ well-being and analyse how these are linked to academic achievement, sociodemographic factors, as well as school structures and learning environment. My work encompasses both national and international comparative perspectives, as well as analyses of trends over time.
Areas of expertise
- Well-being
- Comparative school research
- Health education
- International Large Scale Assessment
- Sociodemographic Factors
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Collaborations and top research areas from the last five years
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TIMSS 2027: Trends in International Mathematics and Science Study 2027
Kristensen, R. M. (PI), Kjeldsen, C. C. (Participant), Højgaard Christensen, J. (Participant) & de la Villa Gonzalez, C. (Participant)
01/01/2025 → 20/12/2028
Project: Research
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Children's and adolescents' responses to the pandemic–future risks of increasing inequalities in learning and mental health
Wistoft, K. (PI), Qvortrup, L. (Participant), Højgaard Christensen, J. (PI) & Christensen, A. A. (Participant)
01/09/2023 → 31/08/2026
Project: Research
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Virkestedet – Rum og materialitet, pædagogisk udvikling og unge i udsatte positioners uddannelse og trivsel
Kjeldsen, C. C. (PI), Højgaard Christensen, J. (Participant), Jensen, L. M. (Participant) & Jensen, N. R. (Participant)
01/06/2023 → 31/12/2027
Project: Research
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INSPECT Societal Security after COVID 19. Inquiring Nordic Strategies, Practices, Educational Consequences and Trajectories
Højgaard Christensen, J. (Participant)
01/02/2023 → 01/07/2026
Project: Research
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Coronatrivsel under skolenedlukninger i Århus Kommune - elever og forældre i 4.-9. klasse
Qvortrup, L. (Project manager), Højgaard Christensen, J. (PI) & Wistoft, K. (PI)
23/02/2021 → 30/04/2021
Project: Research
Research output
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Hunger, Tiredness, and Disorderly Behavior in Nordic Classrooms: Insights from TIMSS and PIRLS
Christensen, A. A. & Christensen, J. H., 6 Mar 2025, (Accepted/In press).Research output: Contribution to conference › Conference abstract for conference › Research › peer-review
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Denmark
Christensen, J. H., Kristensen, R. M. & Kjeldsen, C. C., 19 Nov 2024, TIMSS 2023 Encyclopedia: : Education Policy and Curriculum in Mathematics and Science. Reynolds, K. A., Aldrich, C. E. A., Bookbinder, A., Gallo, A., von Davier, M. & Kennedy, A. (eds.). Boston College, TIMSS & PIRLS International Study CenterResearch output: Contribution to book/anthology/report/proceeding › Encyclopedia entry › Research
Open Access -
Gender and Socioeconomic Perspectives on Students' Emotional Well-Being during the COVID-19 Pandemic
Christensen, J. H., 9 Sept 2024, In: Research in Comparative and International Education. 19, 3, p. 301-320 20 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
1 Citation (Scopus) -
Matematik og natur/teknologi i 4. klasse: Resultater af TIMSS-undersøgelsen 2023
Kjeldsen, C. C., Kristensen, R. M., Christensen, J. H. & de la Villa Gonzalez, C., 4 Dec 2024, Aarhus Universitetsforlag. 270 p. (IEA-studier).Research output: Book/anthology/dissertation/report › Book › Research › peer-review
Open Access -
Natur/teknologi og nordiske elevers miljø- og klimabevidsthed
Christensen, J. H. & Kristensen, R. M., Jun 2024, In: MONA - Matematik- og Naturfagsdidaktik. 2024, 2, p. 45-64 20 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open Access
Activities
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TIMSS National Research Coordinators’ Meetings 9th TIMSS 2023/ 1st TIMSS 2027
Kristensen, R. M. (Participant), Kjeldsen, C. C. (Participant) & Højgaard Christensen, J. (Participant)
9 Feb 2025 → 14 Feb 2025Activity: Participating in or organising an event types › Participation in or organisation of workshop, seminar or course
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INSPECT Research Seminar
Højgaard Christensen, J. (Participant)
22 Jan 2025 → 24 Jan 2025Activity: Participating in or organising an event types › Participation in or organisation of workshop, seminar or course
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Welfare among children and young people in the post-pandemic Nordics
Højgaard Christensen, J. (Participant)
20 Nov 2024 → 21 Nov 2024Activity: Participating in or organising an event types › Participation in or organisation af a conference
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Young people’s mental health in the wake of the COVID-19 pandemic
Christensen, J. (Panel member)
26 Sept 2024Activity: Presentations, memberships, employment, ownership and other activities › Lecture and oral contribution
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TIMSS 2023 8th National Research Coordinators' Meeting
Kjeldsen, C. C. (Participant), Kristensen, R. M. (Participant) & Christensen, J. (Participant)
29 Jul 2024 → 31 Jul 2024Activity: Participating in or organising an event types › Participation in or organisation of workshop, seminar or course
Press/Media
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Coronatidens skolelukninger har sat varige spor: »Det er jo ikke alt, man bare kan samle op igen
17/03/2025
1 item of Media coverage
Press/Media: Press / Media
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Elever lærte kun halvt så meget under corona!
21/12/2023
1 Media contribution
Press/Media: Press / Media
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Ny international undersøgelse om skolen under coronapandemien
Christensen, J., Bundsgaard, J., Kjeldsen, C. C. & Pettersson, M.
21/02/2022
1 item of Media coverage
Press/Media: Press / Media
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Overraskende fund: Danmark klarede nedlukningerne dårligere end Slovenien og Rusland
Christensen, J., Bundsgaard, J., Kjeldsen, C. C. & Pettersson, M.
21/02/2022
1 item of Media coverage
Press/Media: Press / Media
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Overblik: Her er de vigtste pointer fra ny forskning om skolelukningen
Wistoft, K., Qvortrup, L., Christensen, J. & Qvortrup, A.
29/04/2020
1 item of Media coverage
Press/Media: Press / Media