After Little Albert acquired a conditioned fear to a rat, Watson and Rayner wanted to see how he would react to a white rabbit, cotton wool and a Santa Claus mask. They were studying whether or not has occurred.

Stimulus generalization

Explanation:

Stimulus generalization is the tendency when a factor tends to respond to a stimulus in the same way as it responded to the similar stimulus.Responses are conditioned in such scenarios towards other stimulus.

According to the question,stimulus generalization is being tested through Watson and Rayner on Albert as he gets scared from rat.They wanted to research whether Albert as same fearful response toward similar creatures like rabbit etc

answer; have joints that fail from excess by early the accumulated effects of unnoticed infections,all of these things are possible for a person born without the ability to feel pain;

answer; independent variable;