Julius Kristjan Björnsson
Psychometrics, educational and psychological testing. Relations between educational attainment and psychological aspects of Learning. National testing, international comparative educational testing. Psychophysiology and sleep.
Originally trained as a clinical psychologist, experience n psychophysiological Research With emphasis on sleep and sleep disturbances.
Director of the Icelandic Educational Testing Institute for 15 years, Responsible for national tests, and Icelands participation in several international testing programs.
Senior adviser at the Norwegian Directorate of Education and Training, responsible for psychometrics and technical aspects of all tests published by the directorate.