Background: Having a parent with cancer is one of the risk factors for adolescents, which makes them face many psychological problems. Therefore, this study aimed to determine the effect of Happiness Educational Program of Fordyce on the sense of coherence and psychological well-being of adolescents who have a parent with cancer.
Methods: In this randomized clinical trial study, 92 adolescents whose diagnosed parents have referred to the oncology ward of Shahid Rajaei Hospital in Yasuj, from June to September 2021, were selected through the convenience sampling method; however, they were randomly assigned to one of the two groups of the intervention or control.