1. Measurement Validity: A Shared Standard for Qualitative and Quantitative Research
2. Almgren E. (2006). Att fostra demokrater: Om skolan i demokratin och demokratin i skolan [Doctoral thesis, Acta Universitatis Upsaliensis]. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6890
3. Andersson K. (2012). Deliberativ undervisning – en empirisk studie [Doctoral thesis, Göteborgs Universitet]. https://gupea.ub.gu.se/handle/2077/30651
4. Andersson K. (2020). Social studies teachers’ reflections after participating in an experimental study on deliberative teaching. JSSE – Journal of Social Science Education, 19(2), 46–59. https://doi.org/10.4119/jsse-1957