The Basic Principle of Classical Conditioning Is That

The basic principle of classical conditioning is that:

A) all behaviours can be understood in terms of their function.
B) all behaviours can be explained in terms of conditioned and unconditioned responses.
C) all behaviours followed by positive consequences are likely to be repeated.
D) all behaviours can be interpreted as a product of cognitive patterns.
E) scientific research must confine itself to events which can be observed.