The Effect of Implementing Flipped Classroom Model on Critical Thinking and Performance of Iranian EFL Learners in Learning Grammar

The flipped classroom is a teaching approach that can afford additional face-to-face communication with students in the classroom. Although some studies have already investigated the flipped classroom in general, few studies have investigated critical thinking and performance in learning grammar, in particular. The design of the study was quasi-experimental. This research was performed within an English class for six weeks in ۲۰۲۰. Three hundred and sixty English learners were chosen through multistage cluster sampling from two different institutions within the age range of ۱۳-۱۹ who were studying at intermediate and upper-intermediate levels. Eight grammar contents were selected among fifty grammar videos based on the content validity index (CVI) and the content validity ratio (CVR). EPT (English performance tests) and CT (critical thinking) questionnaires were used. The experimental group was educated with the flipped classroom model, whereas the courses were performed based on the present syllabus in the control group. It was realized that there was no substantial discrepancy between the pre-test and post-test scores of the control group, while there was a significant difference between the pre-test and post-test scores of the experimental group. Teachers can be proposed to manipulate the flipped classroom model to boost learners’ critical thinking and performance.