We can also use the concept of Rate of Learning in Talent Management to measure the rate of learning of a new hiree ( generally ) and also of an existing employee.
Rate of Learning : Y = a * (X)^b
Where
a = When the employee completes his first productive tasks, say, after 12 months.
x = The Psychometric Score of an Employee after his first productive job done. ie. his first competency score given by HR dept. in the new organization. We, here assume that, a new hiree starts to give his/her productivity after 6 months, and, then, to complete his/her first productive assignment or project, he takes more 6 months.
How to get the average psychometric score?
We generally will get the average score from HR dept. Otherwise, we will do Factor Analysis and from Factor Loadings we will get the score.
Y = Cumulative Total Time to complete a project. i.e. if a team consist of 4 members and to complete a project the team takes 6 months, then the Cumulative Total Time will be 4 * 6 months or 24 months.
b = The Rate of Learning.
If we know, a, X, Y, we can easily calculate b or Rate of learning.
How?
Y = a * (X)^b
If we take log both side, it will be
log (Y) = log ( a * (X)^b )
or b = (log (Y) - log (a)) / log (x)
Say, a = 2, X = 5, Y = 24
a=12
x=10
y=24
b = (log (24) - log (12)) / log (5)
b## [1] 0.4306766