Potential of imprecision: exploring vague language in agent instructors. - Leigh Michael Harry Clark; Khaled Bachour; Abdulmalik Ofemile; Svenja Adolphs; Tom Rodden (HAI, 2014)

A Multimodal Approach to Assessing User Experiences with Agent Helpers. - Leigh Michael Harry Clark; Abdulmalik Ofemile; Svenja Adolphs; Tom Rodden (ACM Trans. Interact. Intell. Syst., 2016)

Exploring vague language use and voice variation in human-agent interaction. - Leigh Michael Harry Clark (2016)