Blink: observing thin slices of behavior to determine users' expectation towards task difficulty. - Nuno Branco; João Pedro Ferreira 001; Marta Noronha e Sousa; Pedro Branco 001; Nuno Otero; Nelson Zagalo; Manuel João Ferreira (CHI Extended Abstracts, 2011)

Thin slices of interaction: predicting users' task difficulty within 60 sec. - João Pedro Ferreira 001; Marta Noronha e Sousa; Nuno Branco; Manuel João Ferreira; Nuno Otero; Nelson Zagalo; Pedro Branco 001 (CHI Extended Abstracts, 2012)