Background: Argumentation, the justification of claims with reasons and/or evidence, has emerged as a significant goal in science education in recent years. Yet, there is limited understanding of secondary students' arguments and particularly their use of warrants in interdisciplinary contexts such as science and religious education. Furthermore,…

The purpose of this study is to develop a framework for analyzing classroom argumentation that includes a process of rebutting. A most commonly used framework to analyze argument in science education is Toulmin's Argumentation Pattern. It is useful for analyzing argumentation but it cannot represent the complexity of students' rebuttals during…

Case studies are valuable tools for instruction but are often limited to a single topic and a single class period. Courses such as evolution that synthesize multiple concepts around a common theme, however, can use a single case study type project that extends over the entire semester to develop and link core concepts. A central theme in…

This study explores one teacher's instructional method for teaching life sciences using argumentation and argumentative writing rather than simple templates for writing claims and evidence. The microethnographic discourse analytic case study reported here included the teacher and 26 "advanced" eighth-grade students in a suburban middle…