¿Quales podrían ser metodos eficaces para saber gestionar las emociones negativas?

This question cannot be answered simply, as it requires relying on studies. In any case, methods such as relaxation, meditation, mindfulness, introspection, cognitive restructuring, emotional imagery, techniques from REBT (Rational-Emotive Behavioral Therapy), the evaluative style (Lazarus), facial feedback, attitude change, frustration tolerance, impulse control, anger regulation for violence prevention, etc., can be effective.