摘要：AbstractThe present study aimed at examining the effect brainstorming teaching method on the educational achievement of grade-five students in the schools of district 7 of the city of Tehran, Iran in the educational year 2010–2011. In order to do so, 60 students were selected via cluster sampling method, and then one class (n=30) was exposed to the independent variable (brainstorming method), while another class (n=30) was administered through the traditional method of giving lectures. At first, a researcher- made pre-test was administered upon both groups. After that, the independent variable was applied for 10 sessions after which the researcher-made test was administered again. In order to test the research hypothesis, a t-test was used. The result was indicative of the effect of the brainstorming method, and the difference of means in both groups was significant at <0.001. The results showed that using brainstorming method had a positive effect on the students’ educational achievement.
