Final answer:
Dr. John Watson is the owner of the stick in 'The Hound of the Baskervilles', and Sherlock Holmes is a fictional character created by Sir Arthur Conan Doyle. Observational learning was proposed by Albert Bandura.
Step-by-step explanation:
The owner of the stick in 'The Hound of the Baskervilles' is Dr. John Watson, which corresponds to option b) Dr. John Watson. Sherlock Holmes, while being the most famous detective in history and literature, was not real. He was the creation of the British author Sir Arthur Conan Doyle and known for his exceptional observational skills and analytical abilities to solve crimes. Contrasting this fictional world, the person who proposed observational learning in reality is option c) Albert Bandura.