1. (1998). Entering a graphicate society: Young children learning graphs and charts (Göteborg Studies in Educational Sciences, 127). Göteborg, Sweden: Acta Universitatis Gothoburgensis.
2. Dimensions of performance in the interpretation of diagrams, tables, and maps: Some gender differences in the Swedish scholastic aptitude test
3. & (2004). Dimensions of national test performance in language and mathematics: A two-level approach. Manuscript submitted.
4. & (2004). Students' ways of making sense of line graphs and scatter plots in open-ended questions. Manuscript submitted.