The following document contains the material produced for the testing of the "caring prototype" MyTISSE, an interactive user experience on Matisse's painting Bathers by a river (Art Institute of Chicago). Focusing on the change of the pigments made by the artist during the gestation of this canvas, the UX exploits creative engagement to catalyze meaning creation processes. This pubblication contains the data collected through the form. All the participants agreed to the reuse and sharing of these data for academic purposes, filling in an ad hoc privacy form.