| Access to the internal lexicon M Coltheart, E Davelaar, JT Jonasson Attention and performance VI, 0 | 2237* | |
| Phonological encoding in the lexical decision task M Coltheart, D Besner, JT Jonasson, E Davelaar The Quarterly Journal of Experimental Psychology 31 (3), 489-507, 1979 | 342 | 1979 |
| Phonological recoding and lexical access E Davelaar, M Coltheart, D Besner, JT Jonasson Memory & Cognition 6, 391-402, 1978 | 275 | 1978 |
| Attention and performance M Coltheart, E Davelaar, JT Jonasson, D Besner, S Dornic | 198 | 1977 |
| Educational change, inertia and potential futures JT Jónasson European Journal of Futures Research 4 (1), 1-14, 2016 | 91 | 2016 |
| Frá gæslu til skóla: um þróun leikskóla á Íslandi JT Jónasson Rannsóknarstofa um menntakerfi, 2006 | 89 | 2006 |
| Skóli fyrir alla JT Jónasson Almenningsfræðsla, á Íslandi 2007 (2), 2008 | 64* | 2008 |
| Inventing Tomorrow's University: Who is to Take the Lead?: an Essay of the Magna Charta Observatory JT Jónasson Bononia University Press, 2008 | 61 | 2008 |
| Curious minds: Nordic adult education compared JT Jónasson, Z Hellström, A Tuijnman Nordic council of Ministers, 2001 | 59 | 2001 |
| Access and stratification in Nordic higher education. A review of cross-cutting research themes and issues* U Isopahkala-Bouret, M Börjesson, D Beach, N Haltia, JT Jónasson, ... Education Inquiry 9 (1), 142-154, 2018 | 43 | 2018 |
| Dropout in a small society: Is the Icelandic case somehow different? KS Blondal, JT Jónasson, AC Tannhäuser School dropout and completion: International comparative studies in theory …, 2011 | 43 | 2011 |
| Does the state expand schooling? A study based on five Nordic countries JT Jónasson Comparative education review 47 (2), 160-183, 2003 | 40 | 2003 |
| Higher education reforms in Iceland at the transistion into the twenty-first century JT Jónasson | 27 | 2004 |
| Grunnskóli verður til. Í Loftur Guttormsson (ritstjóri) JT Jónasson Almenningsfræðsla á Íslandi 1880–2007 2, 102-117, 2008 | 22 | 2008 |
| Fullorðinsfræðsla og starfsmenntun á Íslandi: Staða og þróun starfsfræðslu og símenntunar JT Jónasson | 22 | 2004 |
| Þróun framhaldsskólans: frá starfsmenntun til almenns bóknáms. JT Jónasson | 22 | 1992 |
| Hugleiðingar um kennaramenntun JT Jónasson | 21 | 2012 |
| The foes of Icelandic vocational education at the upper secondary level JT Jónasson Education and the Scandinavian welfare state in the year 2000: Equality …, 1998 | 20 | 1998 |
| Innlend stefnumið og alþjóðleg viðmið. Í Loftur Guttormsson (ritstjóri) JT Jónasson Almenningsfræðsla á Íslandi 1880–2007 2, 254-269, 2008 | 16 | 2008 |
| The predictability of educational expansion: Examples from secondary and higher education JT Jónasson | 16 | 1999 |
