The aim of the study, which was planned in the experimental design type, was to determine the effect of the mindfulness-based stress reduction training on nurses' job stress. The sample of the study consisted of 70 nurses (35 in the experimental group, 35 in the control group) working in a university hospital in Çanakkale. The mindfulness-based stress reduction training was carried out as a group, once a week, for 8 weeks in total.

One of the most important problems of nurses in Turkey is the stress they experience at work. This stress experienced in the workplace is accompanied by consequences such as depression, anxiety, and decreased job satisfaction. Therefore, it is clear that addressing the stress associated with the nursing profession is an urgent problem. The aim of the study, which was planned in the experimental design type, was to determine the effect of the mindfulness-based stress reduction training on nurses' job stress. The sample of the study consisted of 70 nurses (35 in the experimental group, 35 in the control group) working in a university hospital in Çanakkale. The mindfulness-based stress reduction training was carried out as a group, once a week, for 8 weeks in total. The Personal Information Form, the Job Stress Scale, the Mindful Attention Awareness Scale, and the Rosenbaum's Learned Resourcefulness Scale were used for data collection. A total of three follow-ups were conducted to the nurses before the training, at the end of the training, and 3 months after the training. Descriptive analysis, Chi-square test, Independent Samples T-test, Dependent Samples T-test, and one-way analysis of variance were used in the analysis of the research data.

Inclusion Criteria:

• Working as a nurse in the relevant health practice and research hospital
• Not having participated in any mindfulness-based training program before

Exclusion Criteria:

• Working as an executive nurse
• Not attending any session of the 8-week training