An observational learning is a learning method that consist of observation and modeling of another individual's behavior, expressions etc
However, an operant conditioning is a learning method which are enforced through rewards, punishments etc.
The behavior learned by Ralphie and other who will not stick their tongues on flagpoles in the future either is an example of observational learning because it is learned voluntarily.
In conclusion, the type of observational learning exhibited by the children is known as attention observational learning.
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