The challenge for any Human Resources department is to ensure that all staff retain as much information as possible after a training intervention. With an LMS the learner is able to revisit the training material as often as they like.
The Ebbinghaus Forgetting Curve hypothesis the decline of memory retention in time.
A related concept is the strength of memory that refers to the durability that memory traces in the brain. The stronger the memory, the longer the period of time that a person is able to recall it.
To achieve the frequency that would retain knowledge would be cumbersome and costly if conducted in the classroom.
A mix of formal, social and hands on is the 70:20:10 formula used to increase knowledge retention. 70:20:10 provides a framework for improving and extending traditional training and learning in the workplace.