Little albert was conditioned to fear white rats when the appearance of the white rat was always followed by a loud noise. when researchers presented a block of wood, however, little albert showed no fear response. little albert lack of response to the block of wood illustrates the classical conditioning process referred to as:

As "Stimulus Discrimination".

In classical conditioning, discrimination is the capacity to separate between a conditioned stimulus and other stimuli that have not been combined with an unconditioned one. In the given example little Albert was conditioned to fear white rat and not the block of wood. The experiment was widely criticized due to the insensitivity showed towards little Albert.

the density would be a smaller number.