Select the incorrect sentence about conditioning :  a) It involves a response to a stimulus

Use this information to answer the questions :

There are several types of behaviours in humans and animals which are investigated by researches. They are instinct, imprinting, conditioning, imitation, etc. Ivan Pavlov conducted experiments on dogs and proposed “Conditioning Theory”.

Select the incorrect sentence about conditioning : 

a) It involves a response to a stimulus

b) It is not a type of learned behaviour 

c) It was discovered by Ivan Pavlov 

d) Pavlov used dog in his experiment 

A) a, b, c only 

B) b only 

C) b, c only 

D) All are correct