1. American Statistical Association. (1991). Guidelines for the teaching of statistics K-12 mathematics curriculum. Landover, MD: Corporate Press.
2. Social learning theory;Bandura,1977
3. Substance and romance in the analysis of think-aloud protocols;Bracewell,1994
4. Graphical representations: Helping students interpret data;Bright,1998
5. Quantifying qualitative analyses of verbal data: A practical guide;Chi;The Journal for the Learning Sciences,1997