The primary aim of this research was to analyze the opinions of effective teachers about their preferred teaching methods and techniques. The study was designed as a qualitative case study. The study group of the research consisted of 25 teachers who were selected using a mixed sampling method. In this process, different sampling methods, such as snowball sampling, criterion and maximum variation were employed. In the data analysis, the content analysis and descriptive analysis methods were used jointly. The research study revealed that effective teachers attached great importance to methods and techniques. The opinions of the effective teachers showed that 22 different methods and techniques were used by the teachers. According to the analysis of the methods and techniques, active learning approaches were the most common methods adopted by effective teachers. The teachers who participated in the study also stated that they were constantly searching for new methods and techniques, and that they were open to trying new methods. The analysis of the statements given by the teachers showed that the teachers applied highly effective methods and techniques that could be easily reproduced in the literature.