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Chapter 5
Basic Task Element Maps
5.1 What It Is
A basic task element (BTE) map is a graphical representation of a micro- time
and -motion study of a short duration operational sequence at the basic task
element level. The goal of the time and motion study is to collect and use
quantitative measures of time and other performance- related data to identify
specific basic task element steps or aggregated step sequences for opera-
tional improvement (e.g., reduce cycle times or errors).
5.2 When to Use
BTE maps are especially useful when analyzing and trying to improve a
fast- paced, time- critical, relatively short- duration operational sequen