Evaluating Evaluation Methods

(Cuomo & Bowen, 1994)

3 structured evaluation techniques ‘on trial’:

User interface design guidelines

Expert evaluation

Cognitive walk-through

Based on a formal theory of HCI (Lewis et al. 1990)
Works back from designer’s design of system to user’s goals
Identifies user’s goals
Evaluates how user’s actions at the interface affect their progression toward their goals
See Karat et al. 1992; Wharton et al. 1992 for applied examples