Whitney Quesenbery on the Five E's of Usability

Quesenbery is one of the authors of Content and Complexity: Information Design in Technical Communication. Quesenbery explains the five E's -- a simple way to talk about product usability. The five E's are efficient, effective, engaging, error-tolerant, and easy to learn. She elaborates on what it means for a product to be engaging/satisfying. Quesenbery also explains the importance of personas, which she has written about in the Personas Lifecycle by Tamara Adline and John Pruit. She says stories are essential to personas.

Quesenbery, Whitney and Tom H. Johnson. Tech Writer Voices (2007). Articles>Interviews>Usability>Podcasts