The goal of this quasi-experimental research designed as a single-group pre-test post-test model is to evaluate the effect of an educational intervention aimed at improving the pain management self-efficacy of nurses providing care to palliative patients on their pain management self-efficacy. The main question it aims to answer is "Does pain management training given to nurses caring for palliative patients improve pain management self-efficacy?". The study sample consisted of nurses providing care to palliative patients. Participants will receive training on "Pain Management in Palliative Care Patients" prepared by the researchers. The training will be given online via Zoom by Nurse Beste Aykaç Özbir, one of the researchers. The training will consist of 4 separate 50-minute sessions with 10-minute breaks, totaling 4 hours over one day.

Inclusion Criteria:

• Nurses providing care to patients in palliative care
• Nurses who voluntarily consented to participate in the study

Exclusion Criteria:

• Nurses who do not provide care to patients receiving palliative care
• Nurses who did not give voluntary consent to participate in the study