This study will be carried out to determine the effect of motivational interviewing on the level of self-efficacy and addiction in smoking cessation in nursing students.

This study will be carried out to determine the effect of motivational interviewing on the level of self-efficacy and addiction in smoking cessation in nursing students. The study was planned as a single-blind randomized controlled experimental study. The population of the research will be composed of students studying in the 1st, 2nd and 3rd years of Ordu University and Giresun University Faculty of Health Sciences Nursing Department and who meet the research criteria, and the sample will be 90 students determined by power analysis. In the study, 30 students from Ordu University Faculty of Health Sciences Nursing Department will be in the experimental group and 30 students in the I. control group. 30 students from Giresun University Faculty of Health Sciences Nursing Department will be in the second control group. Students in the experimental group will be given a motivational interview on quitting smoking for 40-50 minutes on average once a month for 6 months. No intervention will be applied to the students in the control groups during the research process, but a motivational interview will be applied once at the end of the research in terms of ethics. The data of the research will be collected with Personal Information Form, Fagerström Nicotine Addiction Test, Self-Efficacy Scale and Stage of Change Evaluation Form. In the study, repeated measurements will be made in the 1st month, 3rd month and 6th month. Necessary institutional permission and ethics committee approval will be obtained for the research. The analysis of the data will be done by an expert statistician in a computer environment.

Inclusion Criteria:

• Being a 1st, 2nd, and 3rd year student of the Nursing Department,
• Continuing active education and training,
• Smoker at least one cigarette a day,
• Open to communication and cooperation, and
• Students who volunteer to participate in the study will be included in the study.

Exclusion Criteria:

• Fourth grade,
• Having a serious psychiatric diagnosis (schizophrenia, bipolar disorder, psychotic disorder, etc.),
• Receiving professional support for smoking cessation,
• Changing schools during the research process and
• Students who do not want to continue the research will be excluded from the research.