What may true for the habituation from the following? a. It refers to gradual increment in the strength of the response due to repetitive stimulation. b. It refers to a gradual reduction in the strength of a response due to repetitive stimulation. c. A new stimulus-change in the environment causes the habituated response to return to a high level, an increase called dishabituation. d. A new stimulus-change in the environment will not influence the habituation. Choose the most appropriate answer from the options given below: