She should sort her positive and negative thoughts about her body.
The first step in the process of assessing self-perceptions is to sort one's positive and negative thoughts about their body. This involves becoming aware of one's thoughts and evaluating how they perceive themselves. So, the correct answer is: She should sort her positive and negative thoughts about her body.
The first step in the process of assessing self-perceptions is to sort positive and negative thoughts about one's body.