I'm looking for a theoretical framework to classify a task based on its cognitive demand.
I only have the Smith and Stein's (1998) proposal and PISA framework such as my principal references. In particular, the PISA categories which help us to classify items in standarized tests: Reproduction, Connection and Reflection.
Thank you in advance.
Smith, M. S., y Stein, M. K. (1998). Selecting and creating mathematical tasks: From research to practice. Mathematics Teaching in the Middle School, 3(5), 344-350.