The mere presence of an attentive and emotionally responsive virtual character influences focus of attention and perceived stress. - Anna Felnhofer; Marlene Kaufmann; Katharina Atteneder; Johanna Xenia Kafka; Helmut Hlavacs; Leon Beutl; Kristina Hennig-Fast; Oswald D. Kothgassner (Int. J. Hum. Comput. Stud., 2019)