Abstract:
This study aims to investigate argumentative essay strategies on developing EFL learners critical thinking skills. including methods and materials that has been delivered during 30 hours of instruction. An experimental and controlled groups were employed in a view that to enable the researcher pin down where the problems lie with short period of time and can see critical thinking skills developed by argumentative essay strategies. Pre and post test were used as a research instrument the study sample consists of 40 students male and female students. SPSS was used to analyzed the data obtained. The major findings include: Firstly Third year students can achieve critical thinking skills through writing argumentative essay if they well trained on strategies of writing argumentative essay properly. Secondly: The period of 30 hours of instruction is quiet enough to teach this amount of course perfectly and train the students as well. Thirdly: This study implications is that strategies of argumentative essay can help students to become critical thinkers because the improvement was positive.
