Conducting an in-depth analysis of the underlying functional and theoretical differences between Ivan Pavlov's Classical Conditioning and B.F. Skinner's Operant Conditioning, which of the following statements most accurately describes the interrelationship between stimulus and response in both systems?

Detailed Explanation

Ivan Pavlov's Classical Conditioning primarily deals with involuntary and natural responses where an unconditioned stimulus elicits a specific response, known as S-R (Stimulus-Response) learning.

In contrast, B.F. Skinner's Operant Conditioning focuses on voluntary behaviors where the organism actively operates within its environment, and the consequences (reinforcement or punishment) shape its behavior, also known as R-S (Response-Stimulus) or Type 'R' learning.

• Classical Conditioning: Focuses on respondent behavior, elicited automatically by stimuli (S-R).
• Operant Conditioning: Focuses on operant behavior, emitted voluntarily by the organism based on consequences (R-S).