In Operant Conditioning, to Shape Someone's Behaviour Means You

Multiple Choice

In operant conditioning, to shape someone's behaviour means you

A) approximate the behaviour you want and stop there.
B) start off by rewarding behaviour which is close to what you want, then behaviour that is closer to what you want, and finally only that behaviour which you actually want.
C) punish non-desired behaviour until all that remains is the desired behaviour.
D) perform a desired behaviour yourself, and then reinforce the person when they mimic your behaviour.