Halstead Mental Effort

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The mental effort E required to both develop and understand a program is expressed by Halstead in basic reasoning units. It increases with Program Volume V and decreases with Program Level L.

Halstead showed that a program written in PL/1 requires three times less comprehension effort than a program written in assembly language. He proposed mental effort E as a measurement of program text complexity.

E = V / L


See also


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