Ted Boren & Judith Ramey (2000)
IEEE Transactions on Professional Communication, 43(3), 261-278.
DOI: https://doi.org/10.1109/47.867942
Abstract. Documents the gap between the strict Ericsson-Simon think-aloud protocol (verbalisation as parallel report only) and what UX practitioners actually do (probing, clarifying, soliciting reactions). Argues for a middle "speech-communication" model and makes the case that disciplined deviation from the original protocol can be methodologically sound.
Tags: usability-testing think-aloud methodology