It was defined by Michael Medlock, Dennis Wixon, Bill Fulton, Mark Terrano and Ramon Romero.
It has been publicly championed by Dennis Wixon[2] while working in the games space for Microsoft.
The tester and team must define a target population for testing, schedule participants to come into the lab, decide on how the users' behaviors will be measured, construct a test script and have participants engage in a verbal protocol (e.g. think aloud).
However it differs from these methods in that it advocates that changes to the user interface are made as soon as a problem is identified and a solution is clear.
The philosophy behind the RITE method is described as: "1) once you find a problem, solve it as soon as you can, and 2) make the decision makers part of the research team.