and the furniture was rearranged so that the students could work collaboratively. This facilitated both the development of the activity individually and, at a later stage, the sharing of findings and the discussion of relevant questions or doubts that the students had encountered during the activity...
2.4. BIS Measurements BIS measurements were performed with a Xitron 4200, HYDRA BIS device (Xitron Technologies, San Diego, CA, USA), which measures the impedance at 50 frequencies in the range from 5 to 1000 kHz. All measurements were performed in accordance with and earlier published paper [...