How long does it take to complete a task? Obtaining task time metrics is important for benchmarking and improving the efficiency of an interface. Conducting summative usability tests to gather these metrics is expensive and usually comes too late in the development cycle to make changes. Using a modification of Keystroke Level Modeling Jeff will show how to accurately estimate experienced users task times using only screen shots and prototypes.
Jeff Sauro | Oracle, USA
Statistical Analyst and Usability Engineer.
Over 10 years of experience conducting quantitative analysis and refining methods of data collection and analysis.
Teaches statistics to professionals and speaks at trade conferences such as the Human Factors & Ergonomics Society and Association for Computed Machinery Conference on Human Factors.
Maintains the website Measuring Usability. Jeff is an author of the productivity analysis application.