Complex sentence: A GOMS estimate of a particular interaction can be calculated with little effort, at little cost, and in a short amount of time if the average Methods-Time Measurement data for each specific task has been previously measured experimentally to a high degree of accuracy.
Split into simpler sentences: A GOMS estimate of a particular interaction can be calculated with little effort, at little cost, and in a short amount of time. The average Methods-Time Measurement data for each specific task has been previously measured experimentally to a high degree of accuracy.