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Abstract

Recognizing the reciprocal connection between critical thinking (CT) and writing, many second language (L2) instructors attempt to infuse CT in their writing classrooms but encounter great challenges due to the fact that teaching CT in a specific subject requires a “substantial reconstruction of a teacher’s model of how to teach a discipline” (Nosich, 2005, p. 65). To facilitate this reconstruction, this study is designed to provide the needed conceptual, theoretical and pedagogical supports. Based on a clarification of the concept of CT in L2 writing and the establishment of a theoretical framework that draws insights from Skill Acquisition Theory and Constructivism, I developed a CT-oriented L2 writing approach that included both explicit CT instruction and CT-oriented writing activities. The effectiveness of this approach was evaluated in actual teaching practice that involved 44 second-year L2 undergraduates in a Chinese university. Employing a mixed method research design, the study involved a pre-study questionnaire survey, a quasi-experiment and a post-study interview. After the study, the participants’ pre-test and post-test CT and L2 writing scores were analyzed. The results of the statistical analyses indicate that the CT-oriented L2 writing approach was effective for improving students’ CT and L2 writing scores and that there was a significant high positive relationship (r=0.89, p