Statement of intent

4. The control variable in the study is to define the subjects’ critical thinking and writing abilities. The selected subjects to conduct the present research are in the role of control variables. It is a variable which need to be eliminated or controlled so that they do not influence the effect of the independent variable on the dependent variable. During the experiment there were some situations which should be solved. Factually, the experiment would take part two times a week on Tuesday and Friday.

5.Intervening variable is a construct, a theoretical label that measures the relationship between the dependent and independent variables. The effect of writing comprehension into the class to develop students’ reciting poems and critical thinking. It is the effectiveness of the methods in getting better teaching writing poems in English. The intervening variable was developing speaking, thinking skills in English and their level of English which was improved up to the point so that the teachers could use not only teaching writing methods but also communicative approaches in writing courses.