Training videos
BehavioralAfter determining the application and control groups in the research, the purpose of the research was explained to both groups. The mobile phone usage skills of the individuals who will be included in the application group were evaluated with the Digital Literacy Scale. Training videos for 15 people each (30 minutes in total) regarding symptom management were shared on the phones of the patients/relatives in the application groups, and the patients and their relatives were informed and watched the training video. Data collection forms would be filled out before the application (Z0), on the 30th day of the application (Z1), and on the 90th day of the application (Z2).