"behavioural scientists" is correct and usable in written English.
You can use it whenever you are referring to people who specialize in behavioural science, which is the study of human behaviour. For example, "Behavioural scientists are currently researching the effects of media on children."
Psychologists, anthropologists and behavioural scientists studied human behaviour to help understand mental development.
Behavioural scientists have described how behaviour may be determined by a more reflective, goal-orientated system on the one hand or by a more automatic, affective system on the other, 38 and Kremers et al 28 have specifically referred to both 'mediated' and 'unmediated' pathways in the context of the influence of the environment on energy-related behaviours.
Biomechanics looked at vehicle features that contributed to more and more severe injuries, civil engineers looked more closely at road environment features, and behavioural scientists looked at unsafe road behaviours contributing to crashes and injuries.
Behavioural scientists explain that addicts have a behaviour pattern that may lead to destructive consequences for themselves, their families and society.
Most behavioural scientists thought that environment, not biology, shaped behaviour, and even those who did not could not see how the shape of the head or features of the face could possibly be relevant.
Behavioural scientists interested in building an evidence base for behaviour change techniques.
Many of the reasons for attraction cited by behavioural scientists derive their principles from evolutionary pyschology – that is, the explanation of behaviour using evolutionary theory.
Along with western money came psychologists and behavioural scientists.
We have also recruited carpenters, vehicle technicians and behavioural scientists.
This is something that could have been easily predicted by behavioural scientists.
