Abstract:
This research aimed to compare 1) critical reading ability of Mathayom Suksa Three students before and after learning by using REAP strategy, 2) critical reading ability of Mathayom Suksa Three students learned by using REAP strategy with those in classroom conventional instruction, 3) essay writing ability of Mathayom Suksa Three students before and after be learning by using REAP strategy and 4) essay writing ability of Mathayom Suksa Three students before and after learning by using REAP strategy with those in classroom conventional instruction. Population in this research are Mathayom Suksa Three students under the office of Basic Education Commission of Ministey of Education, in the Education Service Area, Nakhon Pathom 2. The subjects were two classes of lower secondary school students at Kanchanapisek Wittayalai Nakhonpatom in academic year 2011, gained by using purposive sampling strategy, one class was an experimental group with 46 students taught by using REAP strategy,and another class was a control group with 46 students taught by using conventional instruction. The instruction duration was 3 periods per week for 5 weeks which composed of 16 lesson plans. The research intruments were critical reading test and essay writing test. The data were analyzed by using arithmetic mean ,standard deviation (S) and t-test. The research results revealed that : 1. Critical reading ability of Mathayom Suksa Three students taught by using REAP strategy was significantly higher than before receiving the REAP strategy instruction at the .05 level of significance. 2. Critical reading ability of of Mathayom Suksa Three students taught by using REAP strategy was significantly higher than those taught by using conventional instruction at .05 level of significance. 3. Essay writing ability of Mathayom Suksa Three students taught by using REAP strategy was significantly higher than before receiving the REAP strategy instruction at .05 level of significance. 4. Essay writing ability of Mathayom Suksa Three students taught by using REAP strategy was significantly higher than those taught by using conventional instruction at .05 level of significance.