In 1920, John B. Watson, a renowned psychologist, and Rosalie Rayner, his assistant and eventual wife, decided to combine love, science, and a fair bit of cluelessness in an experiment that would ...

American psychologist John Watson wanted to find out ... Curious about whether humans could also be conditioned, Watson and his research assistant, Rosalie Rayner, launched their own study ...

American psychologist John Watson wanted to find out — so ... Curious about whether humans could also be conditioned, Watson and his research assistant, Rosalie Rayner, launched their own study at ...