1. DEVELOPING THE ENGLISH VOCABULARY LEARNING
ACHIEVEMENT OF MATTAYOMSUKSA1 STUDENTS
USING A COMPUTER ASSISTANT INSTRUCTION
TEERACHATE PRATHANAJATUPON

2. INTRODUCTION
1. Importance of Vocabulary
• essential in English
• communicative language ability

3. 2. Problems of Teacher’s manual method
• boring
• tired
• insufficient interactions
• hard to review
• low scores

4. 3. Innovation
CAI = Computer Assistant Instruction
• pictures
• sounds
• animations
• knowledge pages
• Exercises
• Convenient studying. school, home, internet

5. Purposes of the study
1. To study the result
CAI
2. To study the result teacher’s manual
3. To compare the result
- CAI & teacher’s manual

6. Population
600 M.1 Students
Sakonrajwithayanukul School
Sakonnakhon.
12 classes : 50 students each

7. Samples
2 randomized classes
1. Experimental Group
2. Control Group
cluster sampling

8. Methodology
Experimental Research.
T- test

9. Research Design
Randomized control group
pretest-posttest design
ER O1 X O2
CR O1 ~X O2