Timmy moved to a different school over the summer. At his last school, he had a very strict teacher that he was afraid of because she would yell at the class all of the time. When he came to his new school and sat in class on the first day, he perceived his new teacher:.

Perceptual Set

Explanation:

Perceptual set is denoted as set of expectations that predeposits in mind for perceiving towards other people , situation and things. Person tends to focus on noticing certain thing and avoiding other details about the situation or person.  

According to the question, perceptual set is formed in mind of Timmy about the teachers behavior as he has predeposited thoughts about him.He will be noticing yelling and strictness traits and ignore other features of the teacher due to past experience while perceiving towards him.  

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sorry just needed 5 points