1. การจัดการเรียนการสอนโดยใช้ปัญหา เป็นฐาน เพื่อพัฒนาสามัตถิยะทางการสื่อสารภาษาอังกฤษ ของนักศึกษาระดับประกาศนียบัตรวิชาชีพชั้นสูง ชั้นปีที่ 1
Development of English Communicative Competence through
Problem-Based Learning (PBL) for Hotel Diploma Students in Year 1
Mr. Rong Raungwong
Aksorn Pattaya Technological College

2. Research Problem: How to increase students’ English capacity
Factors for Consideration
- The 21st Century Skills (Learning and Innovation Skills)
- The Basic Education Core Curriculum B.E (A.D. 2008)
- The 2003 Curriculum for the Diploma of Vocational Education
- The English Teaching Methodology
- The Course “Independent Study in English”

3. Research Objective: To enable the 10 hotel diploma students
to develop English Communicative proficiency
through teaching method of Problem-Based
Learning (PBL).

4. Conceptual Framework:
Experimental Research with One Group Pre-Test and
Post-Test Design
(O1 - X - O2)            
X = treatment = Problem-Based Learning -----> Independent Variable
O1 = pre-test = Before using treatment
O2 = post-test = After using treatment -----> Dependent Variable

5. Population and Sample:
The 1st Year Diploma Students in Study Area of Tourism
Industry in Semester 2 Academic Year 2012 of Aksorn
Pattaya Technological College.
Sample
The 10 Hotel Diploma Students with Purposive Sampling in Semester 2
Academic Year 2012 of Aksorn Pattaya Technological College.

6. Tool for Collecting Data :
Teacher-made objective test
30 items of 4 multiple choices compiled from
university tests in English subject.
Find the quality with only content validity (IOC)
from 3 specialists about teaching English.

7. Procedures of PBL Propose the problematic situations or needs.
Analyze and investigate reasons through schemata.
Determine the learning scopes according to significance.
Retrieve new knowledge through various resources.
Exchange ideas among students with discussion.
Generalize and apply new knowledge with daily life.

8. Diploma Hotel Students
Research Finding:
Sample
No.
Pre-Test
Post-Test t
X pre
S.D.
X post
Diploma Hotel Students 10 16
4.08
20.9
3.28
7.66**

9. Summary :
After conducting the experiment with PBL, the researcher found that sample students had the average score increasingly, from 16 to 20.9.
The learning achievement of the sample in the course of IS in English was increasing after instruction of PBL at the significance level of T value from the table at df 9 equals However, T value from calculation is Therefore, it is true according to the hypothesis that is PBL acts as the efficient tool for developing English communicative competence.

10. Recommendation Should conduct this study with the other levels.
Should try out and adapt with each institution’s context.
Should extend the study about the effects or outcomes.
Should use the other kinds of English teaching approaches.
Should conduct the study with sample and control groups.