$($Chapter $9)$ Which of the following statements is most indicative of the ideas of self$-$perception theory?

In order for Jim to feel that he was a part of the group, he had to wear clothing items like other group members.

Jim was motivated to lose weight because he felt bad when he looked at himself in the mirror.

In order for me to be perceived as a professional, I must look like a professional.

When Kaitlin dressed up for class, she felt smart.