مریم بستان پیرا

The main goal of the current research was to design a learning model using the characteristic of the structural approach in a blended learning environment in high school. This research is practical and theoretical in terms of purpose, and a qualitative and quantitative sequential mixed research method has been used. To do this research, the first question of the research was answered by studying and reviewing the available texts, documents and written sources and using the literature and research background and scientific sources. To answer the second question, Meyering and Delphi content analysis technique was used. In the first stage, the answer to the second question was obtained by using the qualitative study method, the content analysis technique of Meyering, and the desired components were extracted and used as a complement to the Delphi method. In the second stage, a panel of participants was formed using the snowball sampling technique, and the relevant experts were selected, and after presenting various questionnaires and conducting interviews, the desired components and indicators were selected and confirmed by the experts.Next, to answer the third question of the research, in order to validate the designed model, the Reigeluth questionnaire and Cronbach's alpha were applied to measure its reliability.Also, Kendall's coefficient of concordance was used to determine the level of consensus in the Delphi method. In order to check the content validity, the index model (CVI) was used and to determine its general suitability, (S-CVI) applied, and finally, based on the results and taking into consideration the corrections and suggestions of the professors, the final model was designed and approved.