Population surveys and behavioural research are being undertaken in order to be able to provide better habitat protection and improved management of riverbank vegetation.

This was followed by behavioural research and the energon theory from 1963 to 1966.

Typically, individual clients are programs that implement tasks used in behavioural research (e.g. psychology and neuroscience), such as tasks involving operant chambers.

He draws attention to the fact that behavioural research alone was not decisive in determining whether developmental dyslexia was a disorder of primarily visual or phonological origin.

Recently, he has been working on the role of law in regulating lifestyle choices by integrating the insights of behavioural research in areas such as alcohol, tobacco and unhealthy diets.