ABSTRACT The purposes of this research were to comparative achievement between Thai communication and searching programmed lesson Th 43202 method and conservative method.
The research population was comprised of 74 Mathayom Suksa 6 students at Bangpleeratbamrung School who were enrolled in the second semester of the academic year 2005. The research population was selected through an application of the simple random sampling method to a sample population of 119 students. The research population was equally divided into an experimental and a control group for purposes of investigation. The experimental group consisted of 37 students studied the Thai communication and searching programmed lesson Th 43202. The 37 students of the control group studied the Thai in the traditional classroom conservative. The research tool was an academic achievement test having an efficiency level of 81.25/83.00. The data was analyzed using the t-test technique.
The findings indicate that the academic achievement of those studying the Thai by means of the Thai communication and searching programmed lesson Th 43202 method had a higher level of academic achievement at the statistically significant level of 0.05 than those studying the Thai in the traditional classroom conservative method. 
