We study high school students’ written discourse about an experience in a dynamic interactive digital environment in which functions were represented in one dimension, as dynagraphs. In a dynagraph of a real function one variable can be acted upon while the other varies as a consequence of the movement induced on the independent variable. Students were asked to write about their experience with the dynagraphs, and their written productions were collected and analyzed using a classification, that emerged a posteriori, in “snapshots, live-photos and scenes”. This classification is presented as a tool of analysis that allows to put discourse about dynagraphs in relation with discourse about functions. Examples of excerpts analyzed through this tool are given.
Capturing `time': characteristics of students' written discourse on dynagraphs
Samuele Antonini;
2019-01-01
Abstract
We study high school students’ written discourse about an experience in a dynamic interactive digital environment in which functions were represented in one dimension, as dynagraphs. In a dynagraph of a real function one variable can be acted upon while the other varies as a consequence of the movement induced on the independent variable. Students were asked to write about their experience with the dynagraphs, and their written productions were collected and analyzed using a classification, that emerged a posteriori, in “snapshots, live-photos and scenes”. This classification is presented as a tool of analysis that allows to put discourse about dynagraphs in relation with discourse about functions. Examples of excerpts analyzed through this tool are given.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
