Final answer:
Psychological treatment for bulimia nervosa involves treating depression, helping individuals accept some self-doubt as normal, and correcting all-or-none thinking.
Step-by-step explanation:
The correct statement about psychological treatment for bulimia nervosa are:
- It should treat depression. Many individuals with bulimia nervosa also suffer from depression, so it is important to address both disorders in treatment.
- It should help a person accept some self doubt as normal. Treatment for bulimia nervosa often involves helping individuals challenge perfectionistic and all-or-nothing thinking patterns.
- It should help correct the 'all or none thinking'. As mentioned before, treatment involves helping individuals challenge black-and-white thinking patterns and develop more flexible and balanced thinking styles.