Had Watson and Raynar taken baseline behavior observations of “Little Albert,” then conditioned him to fear white rats and other white furry stimuli, then took more baseline observations, and then...

Had Watson and Raynar taken baseline behavior observations of “Little Albert,” then conditioned him to fear white rats and other white furry stimuli, then took more baseline observations, and then deconditioned "Little Albert" to not fear white rats and other white furry stimuli at the end of their classic study, then their study would have been which type of design?