Abstract
The purpose of this research was to examine the consistency between students’ practical and formal understandings of scientific epistemologies (also known as nature of science (NOS) understandings) in the context of a research apprenticeship program. Six high school student participants of a residential summer research apprenticeship program at a major university in the southeastern USA were interviewed twice during their experience to elicit their perspectives regarding their practical epistemologies. A phenomenological approach was used to analyze these interviews. The students held practical epistemological understandings of scientific knowledge that were described as being developmental, valuable, formulaic, and authoritative. A survey administered at the end of the program was used to reveal students’ formal epistemologies of science. These practical and formal epistemologies were described in terms of Sandoval’s (Science Education 89:634–656, 2005) epistemological themes and then compared for all participants. Findings revealed that, for most students, at least some level of consistency was present between their formal and practical epistemological understandings of each theme. In fact, for only one student with one theme, no consistency was evident. These results hold implications for the teaching, learning, and assessment of NOS understandings in these contexts as well as for the design of apprenticeship learning experiences in science.
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Acknowledgments
This research was funded in part by a grant from the Frances C. & William P. Smallwood Foundation.
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Appendices
Appendix A
Interview 1: Semi-structured protocol.
Introduction
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1.
Describe _________________ (the topic of your research).
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2.
What do you know about it so far?
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3.
What have you learned about it? What did you already know about it?
Science as constructed
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1.
What counts as knowledge in your lab?
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2.
Have you discovered anything in your lab so far? If so what?
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3.
What are your findings so far?
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4.
Where did these findings come from?
Methods of Science
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1.
How did you go about collecting this data?
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2.
Where did you get your procedures from?
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3.
Why do you collect data in this way?
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4.
Do you anticipate ever needing to modify your procedures? Why?
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5.
Are there any other ways to collect your data?
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6.
Do all science labs utilize the same procedures when it comes to the collection of data? Why?
Forms of Scientific Knowledge
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1.
For your “experimental plan” you had to write a hypothesis for your research. What was your hypothesis?
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2.
What is a hypothesis in your own words.
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3.
How did you generate this hypothesis?
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4.
Do you think all science research must necessarily begin with a hypothesis? Why?
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5.
How are you developing your research plan?
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6.
What is going to come next? What are the next steps?
(If the student talks about any knowledge structures other than hypothesis (Theories, Models, Laws), use that as an opportunity to get the student to contrast these constructs with their ideas of a hypothesis.)
Certainty of Scientific Knowledge
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1.
Do you have any personal goals for your research?
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2.
Does your lab group have any goals for your research?
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3.
What do you hope to get accomplished this summer?
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4.
What would make your research successful? What’s the measure of success in science research?
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5.
Will your research project ever be truly complete?
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6.
Do science understandings change? Give an example from your current research project.
Interview 2: Semi-structured protocol.
Introduction
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1.
Ask about midterm oral presentations
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2.
Ask about research paper progress (materials and methods)
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3.
Ask about collecting research papers from the 6 students
Science as constructed
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1.
What have you found out so far?
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2.
How would you characterize these findings?
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3.
Have you discovered something? Have you created something? Have you verified something that was already known?
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4.
What does it mean to you to discover science? Create scientific knowledge? What are you doing?
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5.
Do you think that these results have been discovered, or created, or would you use a different way to describe where they have come from?
Methods of Science
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1.
Have you had to change your methods? Why?
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2.
How has that affected the certainty/rigor of your project?
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3.
Are there any other ways to collect your data?
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4.
Do all science labs utilize the same procedures when it comes to the collection of data? Why?
Forms of Scientific Knowledge
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1.
How has your hypothesis shaped the work that you have done? Has it changed at all? Have you reexamined your hypothesis since the first time you generated it? Why or why not?
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2.
Are there any scientific theories that are involved in your work? Are you testing any scientific theories? Is your work based on any scientific theories? What roles have scientific theories played in your work? How has it influenced your work? What is a scientific theory?
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3.
Are you using scientific models in any way in your research? How are you using them? What is a scientific model?
Certainty of Scientific Knowledge
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1.
What’s the purpose of your project?
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2.
What is the connection between your work and the broader goals of your lab group? What is that broader goal? What will be the outcome of that goal? How certain will you be of the outcomes associate with that goal? What would be true value of that goal? Will we have any undeniable claims? Will there ever be a different understanding of this? (Certainty of scientific knowledge and Value of scientific knowledge)
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3.
Do you consider the work you’ve done to be of value to you lab group? Why or why not? What does value mean in your context. Also ask same question about that broader thing.
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4.
What defines productivity in your specific lab context?
Appendix B
Ideas about Science Survey adapted from Bell et al. (2003); Lederman et al. (2002); Sandoval and Morrison (2003)
Please answer all questions as completely as possible. Feel free to use the back if you need extra space.
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1.
Some think scientific knowledge is constructed others think it is discovered? Which do you agree with and why?
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2.
Some claim that science is infused with social and cultural values. That is, science reflects the social and political values, philosophical assumptions, and intellectual norms of the culture in which it is practiced. Others claim that science is universal. That is, science transcends national and cultural boundaries and is not affected by social, political, and philosophical values, and intellectual norms of the culture in which it is practiced.
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If you believe that science reflects social and cultural values, explain why. Defend your answer with examples.
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If you believe that science is universal, explain why. Defend your answer with examples.
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3.
What do scientists do? How do they accomplish this work?
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4.
What is the “scientific method”?
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5.
Do all scientists use the “scientific method”? If so, why? If not, what else do they do?
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6.
What are the differences between hypotheses, scientific theories and scientific laws?
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7.
What is a scientific model? How are models used by scientists? Give an example.
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8.
Science textbooks often represent the atom as a central nucleus composed of protons (positively charged particles) and neutrons (neutral particles) with electrons (negatively charged particles) orbiting that nucleus. How certain are scientists about the structure of the atom? What specific evidence do you think scientists used to determine what an atom looks like?
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9.
It is believed that about 65 million years ago the dinosaurs became extinct. Of the hypotheses formulated by scientists to explain the extinction, two enjoy wide support. The first, formulated by one group of scientists, suggests that a huge meteorite hit the earth 65 million years ago and led to a series of events that caused the extinction. The second hypothesis, formulated by another group of scientists, suggests that massive and violent volcanic eruptions were responsible for the extinction. How are these different conclusions possible if scientists in both groups have access to and use the same set of data to derive their conclusions?
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10.
After scientists have developed a scientific theory (e.g., atomic theory, evolution theory), does the theory ever change?
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If you believe that scientific theories do not change, explain why. Defend your answer with examples.
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If you believe that scientific theories do change; (a) Explain why theories change? (b) Explain why we bother to learn scientific theories? Defend your answer with examples.
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Burgin, S.R., Sadler, T.D. Consistency of Practical and Formal Epistemologies of Science Held by Participants of a Research Apprenticeship. Res Sci Educ 43, 2179–2206 (2013). https://doi.org/10.1007/s11165-013-9351-4
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DOI: https://doi.org/10.1007/s11165-013-9351-4