The assignment content discusses Operant Conditioning and Classical Conditioning theories in psychology. Operant Conditioning is a type of learning that involves voluntary behavior, whereas Classical Conditioning involves involuntary responses. The two main components of Operant Conditioning are reward and punishment, while the key elements of Classical Conditioning are stimuli and response. Notable figures contributing to these theories include Ivan Pavlov, John Watson, Edward L. Thorndike, and B.F. Skinner. Key differences between the two theories include the type of behavior (voluntary vs involuntary), the role of consequences, and the methods used to measure strength.