Every Saturday, Vaughn watches a TV show featuring a chef making new recipes. The chef always throws a pinch of salt over his shoulder when seasoning the dishes. Now, whenever Vaughn cooks, he also throws salt over his shoulder. This modification of Vaughn's behavior is due to
observational learning

True- Observational learning        

Explanation:

  Yes, the given answer is correct that the modification in the Vaughn's behavior is basically due to the observational learning process. Observational learning is one of the psychological concept that helps in describe the learning process by retain all the data or information.

 The observation learning is one of the observing and modelling process in which we observe the behavior, expression and the attitude of other individual person.

According to the given question, the observational learning is one of the process that helps in illustrating the Vaughn's current behavior and their modifications.  

is this supposed to be a question

there are no options provided but you can choose among the following gender-neutral pronouns: zir, hir, eir, vis, tem, eir.

in the normal course of maintaining a pronoun-antecedent agreement, we could have used the words his or her but since we are also required to use gender-neutral language, we need to replace it with its equivalent gender-neutral pronoun.