For many reasons, data analysis, a new method for processing data, seems to have broken away from classical, descriptive and inferential statistics, on the episternological level. Its use appears to be very relevant when it comes to questioning quantified facts and formulating hypotheses. As an illustration, we present in this paper three methods of analysis which we frequently use and some of the results obtained through the method we have designed.
Research in Didactique of Mathematics (selected papers), pp. 93-105