Claassen, C. and Magalhães, P. C. (2023) Public support for democracy in the United States has declined generationally. Public Opinion Quarterly, (doi: 10.1093/poq/nfad039) (Early Online Publication)
Claassen, C. (2023) Immigration and public support for political systems in Europe. Perspectives on Politics, (doi: 10.1017/S1537592722004194) (Early Online Publication)
Claassen, C. and McLaren, L. (2022) Does immigration produce a public backlash or public acceptance? Time-series, cross-sectional evidence from 30 European democracies. British Journal of Political Science, 52(3), pp. 1013-1031. (doi: 10.1017/S0007123421000260)
Claassen, C. and Magalhães, P. C. (2022) Effective government and evaluations of democracy. Comparative Political Studies, 55(5), pp. 869-894. (doi: 10.1177/00104140211036042)
Claassen, C. and McLaren, L. (2021) Do threats galvanize authoritarians or mobilize non-authoritarians? Experimental tests from 19 European societies. Political Psychology, 42(4), pp. 677-694. (doi: 10.1111/pops.12720)
Claassen, C. and Traunmüller, R. (2020) Improving and validating survey estimates of religious demography using Bayesian multilevel models and poststratification. Sociological Methods and Research, 49(3), pp. 603-636. (doi: 10.1177/0049124118769086)
Gibson, J., Claassen, C. and Barceló, J. (2020) Deplorables: emotions, political sophistication, and political intolerance. American Politics Research, 48(2), pp. 252-262. (doi: 10.1177/1532673X18820864)
Claassen, C. (2020) In the mood for democracy? Democratic support as thermostatic opinion. American Political Science Review, 114(1), pp. 36-53. (doi: 10.1017/S0003055419000558)
Claassen, C. (2020) Does public support help democracy survive? American Journal of Political Science, 64(1), pp. 118-134. (doi: 10.1111/ajps.12452)
Claassen, C. and Gibson, J. L. (2019) Does intolerance dampen dissent? Macro-tolerance and protest in American metropolitan areas. Political Behavior, 41(1), pp. 165-185. (doi: 10.1007/s11109-018-9444-x)
Claassen, C. (2019) Estimating smooth country-year panels of public opinion. Political Analysis, 27(1), pp. 1-20. (doi: 10.1017/pan.2018.32)
Claassen, C. (2016) Group entitlement, anger and participation in intergroup violence. British Journal of Political Science, 46(1), pp. 127-148. (doi: 10.1017/S000712341400012X)
Claassen, C. (2015) Measuring university quality. Scientometrics, 104(3), pp. 793-807. (doi: 10.1007/s11192-015-1584-8)
Claassen, C. , Tucker, P. and Smith, S. S. (2015) Ideological labels in America. Political Behavior, 37(2), pp. 253-278. (doi: 10.1007/s11109-014-9272-6)
Claassen, C. (2014) Who participates in communal violence? Survey evidence from South Africa. Research and Politics, 2014, pp. 1-8. (doi: 10.1177/2053168014534649)
Schofield, N., Claassen, C. , Ozdemir, U. and Zakharov, A. (2011) Estimating the effects of activists in two-party and multi-party systems: comparing the United States and Israel. Social Choice and Welfare, 36(3-4), pp. 483-518. (doi: 10.1007/s00355-010-0507-0)
Gibson, J. L. and Claassen, C. (2010) Racial reconciliation in South Africa: interracial contact and changes over time. Journal of Social Issues, 66(2), pp. 255-272. (doi: 10.1111/j.1540-4560.2010.01644.x)
Gibson, J. L., Claassen, C. and Barceló, J. (2020) Putting groups back into the study of political tolerance. In: Borgida, E., Federico, C. and Miller, J. (eds.) At the Forefront of Political Psychology: Essays in Honor of John L. Sullivan. Routledge. ISBN 9780367368111
Schofield, N., Claassen, C. , Gallego, M. and Ozdemir, U. (2011) Empirical and formal models of the United States presidential elections in 2000 and 2004. In: Schofield, N. and Caballero, G. (eds.) The Political Economy of Institutions, Democracy and Voting. Springer: New York, pp. 217-258. ISBN 9783642195198
Claassen, C. (2017) Explaining South African Xenophobia. Working Paper. Afrobarometer.
Claassen, C. and Mattes, R. (2005) Public Opinion Matters: Testing A Supply and Demand Model of Popular Regime Preferences and Democratic Change. Working Paper. Centre for Social Science Research, University of Cape Town.