Design Features of Embodied Conversational Agents in eHealth: a Literature Review. - Silke ter Stal; Lean Leonie Kramer; Monique Tabak; Harm op den Akker; Hermie Hermens (Int. J. Hum. Comput. Stud., 2020)

Optimizing appreciation and persuasion of embodied conversational agents for health behavior change: A design experiment and focus group study. - Lean Leonie Kramer; Lex van Velsen; Bob C. Mulder; Silke ter Stal; Emely de Vet (Health Informatics J., 2023)