Introducing a Warm Temperature Adapted Rapid Cycling “Brassica Rapa” to a Thai Science Classroom: A Preliminary Study on Students’ Involvement in Realistic Investigation

By Bunyarat Kanhathaisong, Somson Wongyounoi, Manat Boonprakob, Precharn Dechsri and Parin Chaivisuthangkura.

Published by The Learner Collection

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Article: Print $US10.00
Article: Electronic $US5.00

A warm-temperature-adapted breeding pool of Wisconsin Fast Plants (rapid-cycling Brassica rapa; RBr) was developed as a biologically instructional material. Experimentation with the warm-temperature-adapted RBr was used to study students’ investigative skills, understanding of the nature of science, and knowledge of the life cycle of flowering plants. Three secondary school students were involved in this realistic investigation. Students were provided with information on the warm-temperature-adapted RBr from previous experiments. The students’ knowledge of flowering plants and the Views of Scientific Inquiry Questionnaire (VOSI) were used to investigate participants’ understanding of the nature of science. Students had an opportunity to participate in every step of the investigation process including asking and refining questions, finding information, planning and designing, collecting and analyzing data, drawing conclusions, and communicating results. The results demonstrated that RBr adapt well to warm temperatures. The plants were able to grow at warm temperatures ranging from 28-32˚C. The students’ investigative skills improved in terms of asking questions, making predictions, collecting data, and communicating results. Their knowledge of plant life also improved. However, the students’ understanding of the nature of science was not affected.

Keywords: Rapid-cycling Brassica Rapa, Fast Plants, Scientific Inquiry, Realistic Investigation

The International Journal of Learning, Volume 16, Issue 10, pp.369-378. Article: Print (Spiral Bound). Article: Electronic (PDF File; 1.314MB).

Bunyarat Kanhathaisong

Doctoral Student, Science Education Center, Srinakharinwirot University, Bangkok, Thailand

Bunyarat is a doctoral student at Science Education Center, Srinakharinwirot University, Bangkok, Thailand. She is also a high school biology teacher at Chaiyaphum province, Thailand. She received a scholarship from the Institute for the Promotion of Teaching Science and Technology, Bangkok, Thailand to study science education. During her study, she went to the University of Wisconsin-Madison for one year to develop her research proposal. Her research topic is about developing the warm-temperature-adapted Rapid cycling Brassica rapa (RBr) and its use in Thai science classrooms. RBr have been bred by Professor Paul H. Williams at the University of Wisconsin-Madison. Professor James Stewart and Professor Paul H. Williams were her advisors when she did her research at UW-Madison.

Dr. Somson Wongyounoi

associate professor, Educational and Psychological Test Bureau, Srinakharinwirot University, Bangkok, Thailand

Dr. Somsun Wongyounoi is an associate professor at Educational and Psychological Test Bureau and an adjunct professor at Science Education Center, Srinakharinwirot University, Bangkok, Thailand.

Manat Boonprakob

Emeritus lecturer, Behavioral Science Research Institute, Srinakharinwirot University, Bangkok, Thailand

Dr. Manut Boonprakob is an emeritus lecturer at Behavioral Science Research Institute and an adjunct professor at Science Education Center, Srinakharinwirot University, Bangkok, Thailand.

Precharn Dechsri

assistant director, Institute for the Promotion of Teaching Science and Technology, Bangkok, Thailand

Dr. Precharn Dechsri is an assistant director of the Institute for the Promotion of Teaching Science and Technology, Bangkok, Thailand.

Parin Chaivisuthangkura

Assistant Professor, Department of Biology, Faculty of Science, Srinakharinwirot University, Bangkok, Thailand

Assistant Professor Parin Chaivisuthangkura obtained his Ph.D. in plant cell and molecular biology from the University of Connecticut in 1998. He is a faculty member at the Department of Biology, Faculty of Science and also an adjunct professor at Science Education Center, Srinakharinwirot University, Bangkok, Thailand. At present, his research area is diagnosis of viral and bacterial diseases in shrimp under the financial support from the Thailand Research Fund (TRF). He was invited by the Springer-Verlag to be a contributing author on a chapter of Penaeovirus in the Springer Index of Viruses, the second edition. Currently, he has co-authored more than 30 international publications based on viral and bacterial diagnosis in shrimp diseases.

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