VanLehn, K., & Ball, W. (1987). Understanding algebra equation solving strategies (Technical report PCG-2). Pittsburgh, PA: Dept. of Psychology, CMU.
For a pdf of this report, click here.
VanLehn, K., & Ball, W. (1987). Understanding algebra equation solving strategies (Technical report PCG-2). Pittsburgh, PA: Dept. of Psychology, CMU.
For a pdf of this report, click here.