He wrote extensively on child development and conducted research (see Little Albert experiment).

The Little Albert experiment was a case study showing empirical evidence of classical conditioning in humans.

Different sources give contradicting information on the course of events that took place surrounding the Little Albert Experiment.

Watson studied child development, looking specifically at development through conditioning (see Little Albert experiment).

It is difficult to be certain exactly what happened during the Little Albert Experiment since there is a lack of concrete evidence and scientific records.

John B. Watson conducts the Little Albert experiment in classical conditioning.

Another speculation about the Little Albert experiment concerns the health of "Little Albert," the baby used during the experiment.

In 1920 John B. Watson and Keith Rayner demonstrated such fear conditioning in the Little Albert experiment.

Watson carried out controversial science experiments known as the "Little Albert experiments"; in these experiments, Watson studied fear in infants.

Recently, Fridlund, Beck, Goldie, & Irons (2012) published an additional article following up on the Little Albert experiment in the journal History of Psychology.

This has been studied in psychology as fear conditioning, beginning with John B. Watson's Little Albert experiment in 1920, which was inspired after observing a child with an irrational fear of dogs.

One of Douglas Merritte's nephews, Gary Irons, was co-author on the paper claiming Merritte is the true identity of "Albert B." in the Little Albert Experiment.

Notable incidents in the history of behaviorism are John B. Watson's Little Albert experiment which applied classical conditioning to the developing human child, and the clarification of the difference between classical conditioning and operant (or instrumental) conditioning, first by Miller and Kanorski and then by Skinner.