1. The researchers conducted study plans with the Mathayom Suksa 3 students at Ban Tanlian School. The researchers spent 20 hours in collecting data.
2. The researchers did a pre-test in the teaching material by reading the students to understand the vocabulary.
3. The researchers did a post-test in the last teaching material after finishing teaching.
4. The researchers compared teaching material from pre-test and post-test then, brought the teaching material for data analysis.
5. The researchers analyzed the data and concluded the data.