In terms of the measurement of comprehension In school, in most instances we look at the product when we question students and hear their answers. More concern should be directed to the process, however, as we can make changes in the process through instructional techniques.
Gray, M. J. (1987). Comprehension: Process or Product?. Reading Horizons, 27 (2). Retrieved from http://scholarworks.wmich.edu/reading_horizons/vol27/iss2/9