The famous "Little Albert" study conducted by John Watson and Rosalie Rayner demonstrated:
A. that even a baby can be conditioned to salivate to the sound of a bell.
B. that it was possible to condition an emotional reaction to a previously neutral stimulus.
C. that it is impossible to condition fear to wooden blocks.
D. the natural process of extinction in a baby.

B. that it was possible to condition an emotional reaction to a previously neutral stimulus.

Explanation:

The "Little Albert" experiment was a controlled experiment that took place at John Hopkins University in 1920. This experiment tried to establish whether classical conditioning could be used to condition a child to fear a stimulus that normally would not be feared by a child. The experiment wanted to demonstrate that it was possible to condition an emotional reaction to a previously neutral stimulus. Although the experiment was considered to have been successful at the time, it has been criticized in recent years.

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a photo collage of women at work during world war 2