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The study was to discuss the effect of integrating history of science into Nature and living technology on the scientific attitude of the sixth graders. The experiment and interviews were conducted in this study. The nonequivalent-pretest-posttest design was adopted in the experiment in order to examine the effect of integrating history of science into teaching on elementary school students’ scientific attitude. As for interviews, semi-structured interviews were conducted with students of the experimental group. The academic performance of sixth graders of the experimental and control groups was analyzed as well. The scientific attitude scale was used as an experimental tool for pretest-posttest. The researcher used the self-compiled history of biology in curriculum design for the experimental group to proceed experimental teaching. As for the control group, students were taught according to the syllabus made by ordinary publishers. To enhance the reliability of the experiment, two students from the experimental group were randomly selected to participate in the interviews. The research study indicated that “flexibility”, “objectivity,” and “curiosity” on scientific attitude scale derived from the experimental group was not significantly different from that of the control group. However, the experimental group was significantly different from the control group in “cause and effect” and “critical thinking” in the scale. The experimental group scored higher in “scientific regard” and “scientific affection” than control group, so there was also significant difference. There was no significant difference between two groups in “scientific practice” of the scale. The academic performance of the experimental group was better than the control group resulting in significant difference. The results of the interviews also showed that students’ scientific attitude changed partially. Nevertheless, possible limits concerning curriculum implementation included students’ prerequisite experiences, teaching atmosphere in the selected schools and integrity of curriculum design, etc. These suggestions were offered to teachers and other researchers for future studies.
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