Thesis (Ph.D.)--Chulalongkorn University, 2002

To study the effect of learning with Web Collaborative Tool (WCT) in Web-based Instruction (WBI) upon Metacognition and English writing competency of Thai and Chinese students. The 3 Web Collabroative Tools: Email, WebBoard and Chat were approached. The subjects were 52 Thai university students and 40 Chinese university students. There were 2 phases of this experiment; that first phase lasted from 22 July 2002 until 16 August 2002 at the Faculty of Business Administration. Rajamangala Institute of Technology (RIT), Thailand. The second phase lasted from 5 September until 4 October 2002 at the College of International and Culture, Guangxi Normal University, People's Republic of China. the experimental design used in this study was pretest-postest design. The statistics used in this research were one-way ANOVA, T-test, Scheffe's multiple comparison and Pearson Product moment. The results were: 1. There were significance difference upon metacognition of the students who studied from Web-based Instruction with difference 3 Web Collaborative Tools at the level of 01. 2. The metacognition of Thai university students were significance difference from the metacognition of Chinese university students who studied lfrom Web-based Instruction with difference 3 Web Collaborative Tools at the level of 01. 3. The posttest score of English Writing Competency which students studied from Web-based Instruction with difference 3 Web Collaborative Tools were significance difference the pretest score of Englih Writing Competency at the level of 01. 4. The students who studied from Web-based Instruction with E-mail and WebBoard had higher English Writing Competency score than the students who studied from Web-based Instruction with Chat at the level 0f 05. There are no significance of the English Writing Competency between Thai and Chinese who studied from Web-based Instruction with difference 3 Web Collaborative Tools. 6. The effect of difference 3 Web Collaborative Tools were not showed the correlations upon Metacognition and English Writing competency.