According to this theory, older adults and society engage in a mutual separation from each other.

Two adults engage in an elaborate touching ritual that was at first thought to be agonistic behaviour.

Youssef grew up hating to play with toys, always thrusting to do what adults engage in.

For another, older adults sooner or later engage in some pretty sizable income transfers of their own.

Both nestlings and adults engage in bill-clattering during the nesting season as a means of communication.

At that time, Hunan custom was that when children were over ten years old, the adults would engage them to be married.

Thus collaborative learning also occurs when children and adults in engage play, work, and other activities together.

Like many species, meerkat young learn by observing and mimicking adult behaviour though adults also engage in active instruction.

No wonder young adults never engage in politics- it can get you jailed!

First, children and developing adults engage in psychological self-construction by means of interaction with their environments.