Why does charlotte perkins gilman change the point of view Is it an effective technique?

Charlotte Perkins Gilman changes the point of view in "The Yellow Wallpaper" to a first-person perspective to allow readers to intimately experience the protagonist's descent into madness. This change effectively conveys the protagonist's emotions, thoughts, and psychological state, making the narrative more engaging and impactful. It also highlights the theme of women's agency within a patriarchal society, as readers witness her gradual realization of her oppression.