Do Shy Children Behave Differently than Non-shy Children in a Long-term Child-robot Interaction?: An Analysis of Positive and Negative Expressions of Shyness in Kindergarten Children. - Nils F. Tolksdorf; Franziska E. Viertel; Katharina J. Rohlfing (HRI (Companion), 2020)

Do Shy Children Keep more Distance from a Social Robot? Exploring Shy Children's Proxemics with a Social Robot or a Human. - Nils F. Tolksdorf; Franziska E. Viertel; Camilla E. Crawshaw; Katharina J. Rohlfing (IDC, 2021)

Do Shy Preschoolers Interact Differently When Learning Language With a Social Robot? An Analysis of Interactional Behavior and Word Learning. - Nils F. Tolksdorf; Franziska E. Viertel; Katharina J. Rohlfing (Frontiers Robotics AI, 2021)

Diversity in Children's Temperament: Perspectives on Shyness in Interaction. - Nils F. Tolksdorf; Franziska E. Viertel; Matt Hilton; Kristie Poole; Sarah Kucker (CogSci, 2022)

Who is that?: ! Does Changing the Robot as a Learning Companion Impact Preschoolers' Language Learning? - Nils F. Tolksdorf; Dirk Hönemann; Franziska E. Viertel; Katharina J. Rohlfing (HRI, 2022)