Recognizing Perceived Task Difficulty from Speech, Pause Histograms.

Ruth Janning Carlotta Schatten Lars Schmidt-Thieme Recognizing Perceived Task Difficulty from Speech, Pause Histograms. 2015 AIED Workshops https://ceur-ws.org/Vol-1432/amadl_pap3.pdf conf/aied/2015w db/conf/aied/aied2015w.html#JanningSS15