Conducted in 1919-1920, a nine-month-old baby was subject to a conditioning experiment to make him fear certain animals. Carried out by psychologist John B. Watson and his grad student Rosalie Rayner, ...

His study, now commonly referred to as the Little Albert experiment ... response to furry animals like a white laboratory rat and a rabbit. Initially, Albert was curious about the animals ...

The 'Little Albert ... by creating fear with a rat. Alongside graduate student Rosalie Rayner, Watson exposed the baby various stimuli such as a rabbit, monkey, a white rat, and burning newspapers ...