Analyzing the output is a three-stage process: collecting observations, organizing observations, and extracting trends from the observations.

University of Michigan - Ann Arbor

Usability tests are structured interviews focused on specific feature in an interface prototype

Usability Tests

Goodman, E., Kuniavsky, M., & Moed, A. (2012). Observing the user experience: A practitioner's guide to user research. Elsevier.

A full usability test takes at least 3 weeks to plan, execute, and analyze. 