1998 (with Thorolfur Thorlindsson, Jon Gunnar Bernburg og Vidar Halldorsson). Vímuefnaneysla ungs fólks: Umhverfi og aðstæður.
The Social Circumstances of Substance Use among Icelandic Adolescents. Icelandic Institute for Educational Research, 184 pp.
1994 (with Thorolfur Thorlindsson and Thorlakur Karlsson). Um gildi íþrótta fyrir íslensk ungmenni. The Social Context of Sport Participation among Youth in Iceland. Icelandic Institute for Educational Research. 161 pp.
Peer-reviewed papers
2014 (With Wang H. et al.) Global, regional, and national levels of neonatal, infant, and under-5 mortality during 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013. Lancet, 384 (9947), 957-79.
2014 (With Kassenbaum, N.J. et al.). Global, regional, and national levels and causes of maternal mortality during 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013. Lancet, 384 (9947), 980-1004.
2014 (WIth Murray, CJL., et al.). Global, regional, and national incidence and mortality for HIV, tuberculosis, and malaria during 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013. Lancet, 384 (9947), 1005-1070.
2014 (With Halldorsson V. and Thorlindsson, Th.). Adolescent sport participation and alcohol use: The importance of sport organization and the wider social context. International Review for the Sociology of Sport, 49 (3-4), 311-330.
2014 (With Kristjansson, AL., Sigfusson, J. and Allegrante, JP.). Self-Generated Identification Codes in Longitudinal Prevention Research with Adolescents: A Pilot Study of Matched and Unmatched Subjects. Prevention Science, 15 (2); 205-212.
2014 (With Gudjonsson, G. H., Sigurdsson, J. F. and Young, S.). A national epidemiological study of offending and its relationship with ADHD symptoms and associated risk factors. Journal of Attention Disorders, 18(1), 3–13.
2014 (With Kristjansson, A. L., Mann, M. J., and James, JE.). Caffeinated sugar-sweetened beverages and common physical complaints in Icelandic children aged 10–12years. Preventive Medicine, 58, 40–44.
2013 (With Asgeirsdottir, BB., Gudjonsson, GH., and Sigurdsson, JF.). Suicidal ideations and attempts among adolescents subjected to childhood adversities: The mediating role of anger and depressed mood. Journal of Adolescence, 36 (6), 1227-1236.
2013 (With Tahtinen, R., Baldursdottir, B., Krettek, A., and Valdimarsdottir, H.). Pedometer-based physical activity intervention may positively influence adolescents’ subjective sleep quality. Psychology & Health, 28, 317–318.
2013 (With Kristjansson, AL. and Allegrante, JP.). Adolescent substance use and peer use: A multilevel analysis of cross-sectional population data. Substance Abuse Treatment Prevention and Policy, 8 (27); doi:10.1186/1747-597X-8-27.
2013 (With Kristjansson AL, Sigfusson J and Allegrante, JP.). Data collection procedures for school-based surveys among adolescents: the Youth in Europe Study. Journal of School Health, 83 (9), 662-667.
2013 (With Kristjansson, AL., Frost, SS., and James, JE.). Adolescent Caffeine Consumption and Self-reported Violence and Conduct Disorder. Journal of Youth and Adolescence, 42(7),1053-1062.
2013 (With Eidsdottir, ST., Kristjansson, AL., Garber, CE. and Allegrante, JP). Secular trends in overweight and obesity among Icelandic adolescents: Do parental education levels and family structure play a part? Scandinavian Journal of Public Health, 41 (4), 384-391.
2013 (With Yang, F., Helgason, AR. and Kristjansson, AL.). Electronic screen use and mental well-being of 10-12 year old children. European Journal of Public Health, 23(3), 492-498.
2012 (With Palsdottir, A. and Asgeirsdottir, BB.). Gender difference in wellbeing during school lessons among 10-12-year-old children: The importance of school subjects and student-teacher relationships. Scandinavian Journal of Public Health, 40 (7), 605-613.
2012 (With Asgeirsdottir, BB. and Ingolfsdottir). Body image trends among Icelandic adolescents: A cross-sectional national study from 1997 to 2010. Body Image, 9(3), 404–408.
2012 (With Kristjansson, AL. and Agnew, R.). A comparative analysis of general strain theory. Journal of Criminal Justice, 40, 117-127.
2012 (With Gudjonsson, GH., Sigurdsson, JF. and Young, S.). False confessions to police and their relationship with conduct disorder, ADHD, and life adversity. Personality and Individual Differences, 52 (6), 696-701.
2012 (With Gudjonsson, GH., Sigurdsson, JF. and Young, S.). An epidemiological study of ADHD symptoms among young persons and the relationship with cigarette smoking, alcohol consumption and illicit drug use. Journal of Child Psychology and Psychiatry, 53 (3), 304-312.
2012 (With Thorisdottir IE., Kristjansson AL. and Allegrante, JP.). The landscape of overweight and obesity in Icelandic adolescents: Geographic variation in body-mass index between 2000 and 2009. Journal of Community Health, 37 (1), 234-241.
2011 (With James, JE. and Kristjansson, AL.). Adolescent substance use, sleep, and academic achievement: Evidence of harm due to caffeine. Journal of Adolescence, 34 (4), 665-673.
2011 (With Asgeirsdottir, BB., Sigurdsson, JF. and Gudjonsson, GH.). Physical activity buffers the effects of family conflict on depressed mood: A study on adolescent girls and boys. Journal of Adolescence, 34, 895-902.
2011 (With Kristjansson, AL., Gudmundsdottir, ML. and Allegrante, JP.). Substance use prevention through school and community-based health promotion: A transdisciplinary approach from Iceland, Global Health Promotion, 18 (3), 23-26.
2011 (With Asgeirsdottir, BB., Gudjonsson, GH. and Sigurdsson, JF.). Associations between sexual abuse, substance use and self-injurious behaviour: The mediating role of depressed mood and anger. Child Abuse & Neglect, 35 (3), 210-219.
2011 (With Kristjansson, AL., Karlsson, T. and Allegrante, JP.). The perceived parental support (PPS) scale: Validity and reliability in the 2006 Youth in Europe substance use prevention survey. Child Indicators Research, 4 (3), 515-528.
2011 (With Gunnlaugsson, G., Kristjansson, AL. and Einarsdottir, J.). Intrafamiliar conflict and emotional well-being: A population based study among Icelandic adolescents. Child Abuse & Neglect, 35 (5), 372-381.
2010 (With Gudjonsson, GH. and Sigurdsson, JF.). Bullying and delinquency. The mediating role of anger. Personality and individual differences, 48 (4), 391-396.
2010 (With Asgeirsdottir, BB., Gudjonsson, GH. and Sigurdsson, JF.). Protective processes for depressed mood and anger among sexually abused adolescents: The importance of self-esteem. Personality and Individual Differences, 49, 402-407.
2010 (With Kristjansson, AL., James, JE., Allegrante, JP. and Helgason, AR.). Adolescent substance use, parental monitoring, and leisure-time activities: 12-year outcomes of primary prevention in Iceland. Preventive Medicine, 51 (2), 168-171.
2010 (Wth Kristjansson, AL. and Allegrante, JP.). Health behavior and academic achievement among adolescents: the relative contribution of dietary habits, physical activity, body mass index, and self-esteem. Health Education & Behavior, 37(1), 51–64.
2010 (With Kristjansson, AL., Gudmundsdottir, ML. and Allegrante, JP.). A collaborative community approach to adolescent substance misuse in Iceland. International Psychiatry, 7(4), 86-88.
2010 (With Sigurdsson, JF., Gudjonsson, G. and Asgeirsdottir, BB.). Sexually abusive youth: what are the background factors that distinguish them from other youth? Psychology, Crime and Law;
16 (4), 289-303.
2010 (With Eidsdottir, SP., Kristjansson, AL.,Garber, CE. and Allegrante, JP.). Trends in Body Mass Index among Icelandic Adolescents and Young Adults from 1992 to 2007. International Journal of Environmental Research and Public Health, 7, 2191-2207.
2010 (With Kristjansson, AL., James, JE., Allegrante, JP. and Helgason, AR.). Perceived parental reactions and peer respect as predictors of adolescent cigarette smoking and alcohol use. Addictive behaviours, 35 (3), 256-259.
2010 (With Kristjansson, AL. and Allegrante JP.). Health behaviour and academic achievement among adolescents: The relative contribution of dietary habits, physical activity, body mass index and self-esteem. Health Education and Behaviour, 37 (1), 51-64.
2009 (With Silver, E.). Emotional Reactions to Stress among adolescent Boys and Girls: An Examination of the mediating mechanisms proposed by General Strain Theory. Youth & Society, 40 (4), 571-590.
2009 (With Thorlindsson, Th., Kristjansson, AL, Roe, KM. and Allegrante, JP.). Substance Use Prevention for Adolescents: The Icelandic Model. Health Promotion International, 24 (1), 16-25.
2009 (With Bernburg, JG. and Thorlindsson, Th.). The neighborhood effects of disrupted family processes on adolescent substance use. Social Science & Medicine, 69 (1), 129-137.
2009 (With Gudjonsson, GH. and Sigurdsson, JF.). Interrogation and false confessions among adolescents in seven European countries. What background and psychological variables best discriminate between false confessors and non-false confessors? Psychology, Crime & Law, 15 (8), 711-728.
2009 (With Gudjonsson, G. and Sigurdsson, JF.). False confessions among 15-and 16-year-olds in compulsory education and the relationship with adverse life events. Journal of Forensic Psychiatry & Psychology, 20(6), 950–963. doi:10.1080/14789940903174212
2009 (With Bernburg, JG. and Thorlindsson, Th.). Relative deprivation and adolescent outcomes in Iceland: A Multilevel Test. Social Forces, 87 (3), 1223-1250.
2009 (With Kristjansson, AL.). The Role of Parental Support, Parental Monitoring and Time Spent With Parents in Adolescent Academic Achievement in Iceland: A Structural Model of Gender Differences. Scandinavian Journal of Educational Research, 53 (5), 481-496.
2009 (With Bernburg, JG. and Thorlindsson, Th.). The Spreading of Suicidal Behaviour: The Contextual Effect of Community Household Poverty on Adolescent Suicidal Behaviour and the Mediating Role of Suicide Suggestion. Social Science and Medicine, 68 (2), 380-389.
2009 (With Kristjansson, AL., Allegrante, JP. and Helgason, AR.). Adolescent Health Behaviour, Contentment in School, and Academic Achievement. American Journal of Health Behaviour, 33 (1), 69-79.
2009 (With Kristjansson, AL., Allegrante, JP. and Helgason, AR.). Parental Divorce and Adolescent Cigarette Smoking and Alcohol Use: Assessing the Importance of Family Conflict. Acta Paediatrica, 98 (3), 537-542.
2009 (With Sherman, MG. and Silver, E.). Gender and the associated impairments of childhood sexual abuse: A national study of Icelandic youth, Social Science and Medicine, 60 (10), 1515-1522.
2008 (with Eidsdottir, S., Kristjansson, AL. and Allegrante, JP.). Trends in physical activity and participation in sports clubs among Icelandic adolescents. European Journal of Public Health, 18 (3), 289-293.
2008 (With Gudjonsson, GH., Sigurdsson, JF. and Asgeirsdottir, BB.). False confessions and individual differences: The importance of victimization among youth. Personality and Individual Differences, 45 (8), 801-805.
2008 (With Alfgeir L. Kristjansson and John. P Allegrante).
Academic Achievement among Adolescents: The Relationship and Impact of Body Mass index, Health Behaviors, and Self-Esteem (under review in Journal of Youth and Adolescence).
2008 (With Kristjansson, AL., Allegrante, JP. and Helgason, AR.). Social Correlates of Cigarette Smoking among Icelandic Adolescents: A Population–based Cross–sectional Study. BMC Public Health, 8 (86), 1-8.
2008 (With Asgeirsdóttir, BB., Gudjonsson, GH. and Sigurdsson, JF.). Trends in depressive symptoms, anxiety symptoms and visits to healthcare specialists: A national study among Icelandic adolescents. Scandinavian Journal of Public Health, 36 (4), 361-368.
2008 (With Asgeirsdottir, BB., Sigurdsson, JF. and Gudjonsson, G.H.). A Model of Sexual Abuse’s Effects on Suicidal Behavior and delinquency: The Role of Emotions as Mediating Factors. Journal of Youth and Adolescence, 37 (6), 699-712.
2008 (With Kristjansson, AL., Thorlindsson, Th. and Allegrante, J.P.). Trends in Prevalence of Substance Use among Icelandic Adolescents, 1995-2006. Substance Abuse Treatment, Prevention and Policy, 3 (12): http://www.substanceabusepolicy.com/content/3/1/12/
2007 (With Gudjonsson, GH., Sigurdsson, JF. and Asgeirsdottir, BB.). Custodial interrogation: What are the background factors associated with claims of false confession to police? Journal of Forensic Psychiatry & Psychology, 18 (2), 266-275.
2007 (With Alfgeir L. Kristjansson and John P. Allegrante.)
Health Behaviour and Academic Achievement in Icelandic School Children. Health Education Research: Theory and Practice, 22 (1): 70-80.
2007 (With Thorolfur Thorlindsson and Thoroddur Bjarnason)
Religion: Divine Support and Strain (accepted for publication in Social Compass).
2007 (With Thorolfur Thorlindsson and Thoroddur Bjarnason)
Individual and Community Processes of Social Closure: A Study of Adolescent Academic Achievement and Alcohol Use (accepted for publication in Acta Sociologica).
2007 (With Gisli H. Gudjonsson, Jon Fridrik Sigurdsson and Bryndis Björk Asgeirsdottir).
Custodial Interrogation: What are the background Predictors of False Confession? (Accepted for publication in Personality and Individual Differences).
2006 (With Gisli H. Gudjonsson, Jon Fridrik Sigurdsson and Bryndis Björk Asgeirsdottir). Custodial Interrogation and False Confession. A National Survey among Icelandic Youth. Personality and Individual Differences, 41. 49-59.
2006 (With Jon Fridrik Sigurdsson, Gisli H. Gudjonsson, Atli Vidar Bragason and Elsa Kristjansdottir)
The Role of Violent Cognition in the Relationship between Personality and the Involvement in Violent Films and Computer Games. Personality and Individual Differences, 41: 381-392.
(With Alfgeir L. Kristjansson).
Parental Influences on Academic Achievement among Icelandic Adolscents (forthcoming).
(With Bryndis Björk Asgeirsdóttir, Gisli H. Gudjonsson and Jon Fridrik Jonsson)
Trends in depression, anxiety and visits to health care specialists: A population study among Icelandic adolescents (forthcoming).
2005 (With Thoroddur Bjarnason, Thorolfur Thorlindsson and M.R. Welch)
Familial and Religious Influences on Adolescent Alcohol Use: A Multi-Level Model of Students and School Communities. Social Forces, 84 (1): 375-390.
2004 (With George Farkas and Eric Silver)
The Role of Depressed Mood and Anger in the Relationship between Family Conflict and Delinquent Behavior. Journal of Youth and Adolescence, 33 (6): 509-522.
2002 (With Thoroddur Bjarnson)
Nordic Impact: Article Productivity and Citation Patterns in Sixteen Nordic Sociology Departments. Acta Sociologica. Vol. 45(4), pp. 253-267.
(Reprinted 2004 as a book chapter in Íslensk félagsfræði: Landnám alþjóðlegrar fræðigreinar (eds. Thoroddur Bjarnason and Helgi Gunnlaugsson) Reykjavík: Háskólaútgáfan).
1999 Staða stúlkna og pilta í íslenskum grunnskólum.
Out of school effects on gender differences in school achievement. Samfélagstíðindi, pp. 47-57. Reykjavík
1997 Námsbraut í almennum þjóðfélagsfræðum: Áfangi að stofnun nýrrar deildar.
The Rise of Social Science in Iceland: A Sociology of Knowledge Perspective. Íslensk félagsrit (Journal of Icelandic Sociology), pp. 3-43.
(Reprinted 2004 as a book chapter in Íslensk félagsfræði: Landnám alþjóðlegrar fræðigreinar (eds. Thoroddur Bjarnason and Helgi Gunnlaugsson) Reykjavík: Háskólaútgáfan).
Under review
2007 (With Alfgeir L. Kristjansson and John. P Allegrante). Academic Achievment among Adolescents: The Relationship and Impact of Body Mass index, Health Behaviors, and Self-Esteem (under review in Health Education & Behavior).
(With Bryndis Björk Asgeirsdóttir, Gisli H. Gudjonsson and Jon Fridrik Jonsson). Trends in depression, anxiety and visits to health care specialists: A national study among Icelandic adolescents (revise and resubmit in Scandinavian Journal of Public Health).
(With Bryndis Bjork Asgeirsdottir, Jon Fridrik Sigurdsson and Gisli Gudjonsson). A Model of Sexual Abuse and Suicidal Behavior: The Role of Emotions as Mediating Factors (revise and resubmit in Journal of Youth and Adolescence).
Reports
1997-2006 First author or co-author of approximately 110 reports based on the research and database of Rannsoknir & Greining. Many of these have provided the foundation for policy making of various local and national government bodies in Iceland. The following reports are examples.
2005 (with Alfgeir Logi Kristjansson and Bryndis Björk Ásgeirsdóttir)
Viðhorf til nýbúa á Íslandi: Rannsókn meðal nemenda í 9. og 10. bekk grunnskóla á Íslandi vorið 1997, 2000 og 2003. (Attitudes towards foreigners in Iceland). Icelandic Centre for Social Research and Analysis.
2004 (with Bryndis Björk Ásgeirsdóttir)
Áhættuhegðun ungra ökumanna. (Risk behaviour among young drivers) Icelandic Centre for Social Research and Analysis.
2003 (With Stefán Hrafn Jónsson, Þóroddur Bjarnason, Bryndís Björk Ásgeirsdóttir and Jón Sigfússon. Vímuefnaneysla íslenskra unglinga: Niðurstöður rannsókna á vímuefnaneyslu nemenda í 10. bekk grunnskóla 1995–2003. Reykjavík: Áfengis- og vímuvarnaráð.
(with Svandís Nína Jónsdóttir, Stefán Hrafn Jónsson, Bryndis Björk Ásgeirsdóttir and Hera Hallbera Björnsdóttir)
Utanskólarannsókn: Félagsleg staða ungmenna utan framhaldsskóla og samanburður við jafnaldra þeirra í framhaldsskólum.(Social Circumstances of Icelandic “out-of-school” youth). Reykjavik Icelandic Centre for Social Research and Analysis.
2002 (with Thoroddur Bjarnason and Bryndis Björk Ásgeirsdóttir)
Sjálfsvíg og sjálfsvígstilraunir meðal íslenskra ungmenna: Sjálfsvígstilraunir meðal íslenskra framhaldsskólanema árin 1992 og 2000 og alþjóðlegur samanburður á sjálfvígstíðni meðal 15-24 ára ungmenna 1951-2000. (Suicides and suicidal attempts among Icelandic high school students). Landlæknisembættið (Directorate of Health). 40 pp.
2001 (with Svandís Nína Jónsdóttir, Hera Hallbera Björnsdóttir and Bryndís Björk Ásgeirsdóttir)
Börnin í borginni. Líðan og samskipti í skóla, félagsstarf og tómstundir og vímuefnaneysla: Könnun meðal nemenda í 5. – 10. bekk grunnskóla í Reykjavík vorið 2001. (Children in Reykjavik city. Well-being and social bonding, leisure activities and substance use: Survey among 5th and 10th graders in districts of Reykjavik. Icelandic Centre for Social Research and Analysis.
2001 (with Bryndis Björk Asgeirsdottir and Holmfriður Lydia Ellertsdóttir)
Vændi á Íslandi og félagslegt umhverfi þess. (The social circumstances of prostitution among Icelandic adolescents.)
Centre for Social Research and Analysis and The Ministry of Justice. 96 pp.
(with Guðbjörg Daníelsdóttir and Bryndis Bjork Asgeirsdottir). Mat á sveitafélagaverkefni SÁÁ 1997 og 1998. [Evaluation of the SÁÁ community project 1997 and 1998].
Reykjavik: Áfengis- og vímuvarnarráð. Icelandic Drug Prevention Council. 104 pp.
2000 (with Thoroddur Bjarnason, Bryndís Björk Ásgeirsdóttir, Thorolfur Thorlindsson and Jón Gunnar Bernburg). Ofbeldi meðal íslenskra unglinga: Aðstæður og umhverfi. Ministry of Justice and the Icelandic Red Cross.
(with Bryndis Bjork Asgeirsdottir)
Heilsuefling í skólum í Kópavogi; Stöðumat.
[Evaluation of European Network of Health Promoting Schools in Kopavogur]. Icelandic Centre for Social Research and Analysis. 53 pp.
(with Antoinette Nana Gyedu-Adomako and Bryndis Bjork Asgeirsdottir)
Social conditions of immigrant youth in Iceland.
Icelandic Centre for Social Research and Analysis. 44 pp.
(with Bryndis Bjork Asgeirsdottir)
Líðan og heilsa unglinga; Niðurstöður rannsókna á högum og aðstæðum unglinga í Kópavogi. [Health and well being of adolescents in Kopavogur]. Icelandic Centre for Social Research and Analysis. 48 pp.
1999 (with Thoroddur Bjarnason)
Þróun vímuefnaneyslu íslenskra unglinga: Þróun vímuefnaneyslu meðal íslenskra unglinga. Reykjavík: Áfengis- og vímuvarnaráð.
(with Bryndis Bjork Asgeirsdottir)
Vímuefnaneysla unglinga í Reykjavík; Niðurstöður rannsókna á vímuefnaneyslu nemenda í Reykjavík skipt eftir hverfum. [Substance Use among Young People in the City of Reykjavík]. Icelandic Centre for Social Research and Analysis. 52 pp.
Other non-peer reviewed publications
2004 Kynjamunur í árangri og líðan barna í grunnskólum (Gender differences in academic performance). Tímaritið Uppeldi, 3. tbl.
(with Bryndís Björk Ásgeirsdóttir)
Mikilvægi tónlistarnáms fyrir íslensk ungmenni (Organized Music Instruction for Icelandic adolescents as a Preventive Factor).
Tímaritið Uppeldi, 2. tbl.
2000 (With Simon Sigvaldason) Dissemination of Knowledge Within the Legal Community Article, pp. 243-255, in a Festschrift in honour of Þór Vilhjálmsson, former Supreme Court Judge. Reykjavík
1998 Drenge og piger i den islandske grundskole, pp. 78-88, Skolen i Norden (also published in Finnish)
Presentations at international conferences
Youth in Iceland: Evidence based policy making: Presentation given at the conference organized by the City of Reykjavik in relation to the ECAD project, Reykjavik, 8 April 2005.
The Social Context of Gender Differences in Academic Achievement among Icelandic Adolescents. A talk given at a conference arranged by the Nordic Committee of Ministers, Helsinki, 12 December 2004.
How should we evaluate research performance at Universities? Talk given at a meeting organized by the Association of University Professors, at the University of Iceland, 24 February, 2004.
Evidence based policy making: The link between research, policy and practice in preventing substance use among Icelandic Adolescents. Presentation given at the conference Storbyens Hjerte og Smerte, Oslo, 17 August 2003.
The social context of gender differences in academic achievement among Icelandic adolescents. Paper presented at the annual meeting of the American Sociological Association in Anaheim, California, 18-22 August 2001.
Social Closure, Parental and Peer Networks: A Study of Adolescent Scholastic Achievement and Alcohol Use. Paper presented at the annual meeting of the American Sociological Association in Washington, D.C., 12-16 August 2000.
The Social Context of Psychological Distress among Icelandic Adolescents. Paper presented at the NYRIS 7 (Nordic Youth Research Information) conference in Helsinki, 10 June 2000.
Basic science in Iceland, progress and performance. Talk given at a conference held by the Icelandic Research
Council and the Ministry of Education in Iceland, 30 November 1999.
(Along with Stefán H. Jónsson and Thórdís J. Sigurdardóttir).
Youth resistance to peer pressure, an example based on Hashish use. Talk given at a conference on youth studies, Nordic Youth Research Symposium, in Tønsberg, Norway, 17 August 1996.
Substance Use Prevention Strategy for 15- and 16-Year-Old Adolescents: The Icelandic Model. The 19th IUHPE World Conference, Vancouver, Canada, June 10-15 2007.
Linking Research, Policy and Practice. The 14th ECAD Mayors Conference, Istanbul, Turkey, May 10 – 11 2007.
Youth in Iceland: Evidence based policy making: Presentation given at the conference organized by the City of Reykjavik in relation to the ECAD project, Reykjavik, 8 April 2005.
The Social Context of Gender Differences in Academic Achievement among Icelandic Adolescents. A talk given at a conference arranged by the Nordic Committee of Ministers, Helsinki, 12 December 2004.
How should we evaluate research performance at Universities? Talk given at a meeting organized by the Association of University Professors, at the University of Iceland, 24 February, 2004.
Evidence based policy making: The link between research, policy and practice in preventing substance use among Icelandic Adolescents. Presentation given at the conference Storbyens Hjerte og Smerte, Oslo, 17 August 2003.
The social context of gender differences in academic achievement among Icelandic adolescents. Paper presented at the annual meeting of the American Sociological Association in Anaheim, California, 18-22 August 2001.
Social Closure, Parental and Peer Networks: A Study of Adolescent Scholastic Achievement and Alcohol Use. Paper presented at the annual meeting of the American Sociological Association in Washington, D.C., 12-16 August 2000.
The Social Context of Psychological Distress among Icelandic Adolescents. Paper presented at the NYRIS 7 (Nordic Youth Research Information) conference in Helsinki, 10 June 2000.
Basic science in Iceland, progress and performance. Talk given at a conference held by the Icelandic Research. Council and the Ministry of Education in Iceland, 30 November 1999.
(With Stefán H. Jónsson and Thórdís J. Sigurdardóttir). Youth resistance to peer pressure, an example based on Hashish use. Talk given at a conference on youth studies, Nordic Youth Research Symposium, in Tønsberg, Norway, 17 August 1996.