After giving the matter a great deal of thought, Iris declared chemistry rather than physics as her major. Having made this decision, she went out and had a good time with her classmates, who reminded her what a great friend she was. At that point, Iris was able to look at her choice and see both its pros and cons without glamorizing it. Her behavior can best be explained by the concept of

Self- Affirmation

Explanation:

 Self-Affirmation theory is a known Physiological theory. it is the process by which an individual validate, confirm or recognize his/her worth for beneficial purposes/effect. Self-affirmation focuses on the notion that individuals wants to think highly of themselves and also protect/maintain their integrity.

In the world today, individuals has different projections of themselves, what they want to be, what to achieve, thoughts  and experiences that pose a threat to their self-image. While some has positive view of themselves. some examples of  positive self-affirmation is when one recognizes who he/she is, accepts the person he/she has become and also remain true to his/herself. In Iris case, she recognizes what she wants to study but some threat set in and through the kind words of her friend, she was able to have a positive self-affirmation of herself.

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