THRIVE Study: Positive Affect Training for Endocrine Therapy Medication Adherence

The purpose of this study is to pilot and refine an online behavioral intervention based on Positive Affect Training (PAT) that aims to increase positive emotional attitudes and decrease negative emotional attitudes toward endocrine therapy (ET, i.e., anti-hormonal medication) and to increase positive affect and decrease negative affect more generally, among post-treatment breast cancer survivors who are prescribed ET to prevent recurrence of breast cancer.