His behaviours at the party were unacceptable.

Behaviourism is a psychological theory that focuses on observable behaviors.

His behaviour at the party was unacceptable.

Many behaviourisms have been developed in the field of psychology.

She displayed behavioural issues at school.

She behaves behaviourally in social situations.

Behaviouralism is a school of thought in political science that emphasizes the study of individual behavior.

Herd behaviours can be observed in various animal species.

The routine response behaviours of the employees were impressive.

Compulsive behaviour can be difficult to control.