As for the test reliability, Fraenkel and Wallen (2000) state that the reliability
coefficient of the reading part of the test should be at least 0.70. In this pilot study, the
reliability of the test stood at 0.80. This indicated that the English reading section of the
National English Entrance Examination 2004 was reliable according to the Kuder-
Richardson Formula 20.
In this study, all the participants in the experimental and the control groups were
submitted to a pretest on the first week of the course. In order to control the internal
validity, the length of time between the pretest and posttest was 14 weeks, a period long
enough to prevent the participants from remembering the pretest.
Verification of the reliability of the Reading Strategies Questionnaire (RSQ)
The Reading Strategies Questionnaire (RSQ) was piloted with 30 12th-grade
students at Thonbureeworataepeepalaruk School who did not take part in this study.
Fraenkel and Wallen (2000) stated that the criterion for coefficients of acceptable
coefficients should be at least 0.70. The results from the pilot study showed that the
reliability coefficient of the RSQ reached 0.72. This indicated that the Reading Strategies
Questionnaire was reliable according to the Kuder-Richardson Formula 20.
Lesson Plans and Teaching Materials
The lesson plans for both the experimental and the control groups were created
based on the objectives and goals of the course Reading for Further Study (ENG 40201)
of the Foreign Language division at Watnuannordit School. The instruction for both
groups was divided in three stages: pre-reading, while-reading, and post-reading (see