Glossary » Baker’s equation
Baker’s equation
BBEE; Baker’s basic ergonomic equation; an expression describing the factors driving the success of a particular assistive technology:
Likelihood of success (S) = M/(P+C+L+T)
where
M = a user’s motivation to complete a task
P = the physical effort required
C = the cognitive effort
L = the linguistic effort
T = the amount of time needed to activate and control the device
