Rolf Vegar Olsen

Image of Rolf Vegar Olsen
Norwegian version of this page
Phone +47 22844510
Mobile phone +4798859376
Room 331
Visiting address Gaustadalleen 21 Hus C plan 1 0349 Oslo
Postal address Postboks 1161 Blindern 0318 Oslo

Academic interests

I am engaged with analysis of data from large-scale international comparative achievement studies, such as PISA, TIMSS, ICILS & TALIS. Furthermore, I currently seek to build a portfolio of research relating to assessment in the Norwegian context.

Teaching interests

I teach the course "Constructing Measures". This course is part of the Master of Assessment and Evaluation. In addition, I am involved in ad hoc teaching activities on educational measurement for professional test developers in Norway. Currently, I (co)supervise four PhD candidates.


I started working at CEMO in 2016. Before this I was employed at the Department of Teacher Education and School Research (ILS) at UiO for 17 years. In 2005 I defended my PhD on analysis of data from the scientific literacy test in PISA. Over these years I have worked with leadership and research activities in many of the international large-scale studies. In the last five years at ILS I was the head of the Unit for quantitative analysis in education (EKVA) and in the last two years I was also Head of research and deputy leader at the department. 

Before beginning my academic career I worked as a physics, science and mathematics teacher in upper secondary school.


  • Co-director of CEMO
  • Adjunct professor at Norwegian Centre for Mathematics Education (NTNU)
  • Member of the Editorial Board of Large-scale Assessments in Education
  • Member of the Editorial Board of Educational Assessment, Evaluation and Accountability
  • Member of the the Council of the Association for Educational Assessment Europe
  • Regular reviews for the conferences ECER and AEA-Europe
  • Regular reviews for many journals in science education and in journals within applied measurement

Research collaborations and projects

I am currently building up a research portfolio relating to the Norwegian assessment system. At the moment the activity relating to this is an interim in-house project called  Educational Measurement in the Norwegian Context. As of now this project mainly consist of one PhD-project: development of vertical scaling/progress measure in the national assessments of numeracy The aim is to continue growing research addressing issues of specific relevance for the national context of assessment.

CEMO is partner in the OCCAM project with funding from the EU MSC-ITN scheme. As part of this project two PhD candidates have been recruited to CEMO. Each of them will work on two separate projects focusing on analysis of data from the international large-scale assessments


Tags: Learning and teaching, Educational sciences, CEMO, Science education, International comparative studies, Quantitative analysis, Students' achievement
Published Aug. 6, 2010 9:19 AM - Last modified Oct. 19, 2020 9:22 AM