Objective: This study was conducted to evaluate the effect of the micro-teaching method on nursing students' psychomotor drug administration skills, attitudes towards clinical practice, self-efficacy and clinical stress levels.

Method: The study was conducted as a pretest-posttest randomised controlled experimental research model. It was conducted between September 2023 and December 2024 at Kahramanmaraş Sütçü İmam University, Afşin School of Health, Department of Nursing. The population of the study consisted of all first year students of the Nursing Department. The sample consisted of 64 students (experimental group = 32, control group = 32) determined by power analysis. The following instruments were used to collect the data: "Drug administration skills assessment lists", "Attitudes towards clinical practice in nursing students scale", "Academic self-efficacy scale" and "Clinical stressor perception scale". During the first 3 weeks of the study, the topics related to drug administration were explained to the experimental and control groups 2 days a week for 6 hours each, and the applications were demonstrated using the demonstration method. From the 4th week of the study, the experimental group was taught using the micro-teaching method for 8 weeks.

Micro-teaching method is a very valuable teaching method in psychomotor skills training in terms of providing feedback to the student, giving the opportunity to realise and correct their mistakes in line with this feedback, providing the opportunity to evaluate themselves while practising, creating a laboratory environment, eliminating the complexity of the application, ensuring active participation in the lesson, reducing anxiety, increasing self-confidence, gaining more experience by controlling the applications, and enabling even difficult applications to be performed.

In addition to the advantages of the micro-teaching method in itself, the fact that it is cost-effective, that students make active teaching in small groups, that lesson plans are made again until the applications are learnt, that peers and the instructor provide feedback during these applications, and that students have the opportunity to make their own self-evaluations with the videos recorded for skill applications suggest that it is an effective method in nursing skills training.

Inclusion Criteria:

• To take the Nursing Principles course for the first time,
• To approve the evaluation and video recording of their practices,
• Volunteering to participate in the research,
• Being over 18 years old.

Exclusion Criteria:

• To have received an education related to parenteral applications other than basic nursing education,
• Not wanting/not being able to use micro-teaching method
• Absenteeism in the theoretical course,
• Wanting to leave during the research process,
• Not graduating from vocational high schools related to health departments