Objectifying Social Presence: Evaluating Multimodal Degraders in ECAs Using the Heard Text Recall Paradigm. - Jonathan Ehret; Jonas Schüppen; Chinthusa Mohanathasan; Cosima A. Ermert; Janina Fels; Sabine J. Schlittmeier; Torsten W. Kuhlen; Andrea Bönsch (IEEE Trans. Vis. Comput. Graph., 2026)