The idea of a form-function correlation implies some benefit for the individual that displays it. This is subsumed under the heading of adaptation, the reality of which has recently been questioned.

The schoolreadiness curriculum by Dumont and Kok (1973) is a Dutch adaptation of the curriculum by Connor and Talbot (1966). It contains presuppositions about the teachers' diagnostic skills and about ...

In many network communications it is crucial to be able to authenticate both the contents and the origin of a message. Digital signatures based on public key schemas are used for such authentication.