The objective of this study was to examine the effects of the flipped classroom method on the academic achievement of medical students in the Good Medical Practice Program, collect data on the students' opinions of this method, and offer solutions to some of the most commonly cited problems in the literature regarding its use. The research design of the study involves a quasi-experimental pretest-posttest design with a control group, and the qualitative research method for answers to follow-up questions. Participants in the study were 38 first-year students from the Faculty of Medicine of Hacettepe University. An academic achievement test and a semi-structured interview form were used as data collection instruments. Findings of the study show that the students taught using the flipped classroom model have higher levels of achievement compared with the students taught using the traditional method. Interviews conducted with the experimental group showed that these students had positive views regarding the flipped classroom method, and it was concluded that solutions offered to deal with the problems, commonly viewed as the disadvantages of the method, were effective.