Problems of this kind arise when you concentrate on the individuals rather than organisation in general and departments in particular. Training is a means to bring organisational change. Therefore, focus on organisation rather than individual. By focusing on organisation, you will be able to measure training effectiveness. By focusing on individuals, it is very difficult to measure the ROI on training.
You may go through replies to the past queries. The links are as below:
(though this is related to technical training, the comments are useful to behavioural training as well)
For further assistance if any, feel free to contact me.
18th August 2015 From India, Bangalore