A model of how different biology experts explain molecular and cellular mechanisms.
A model of how different biology experts explain molecular and cellular mechanisms.
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DOI:
10.1187/cbe.14-12-0229
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发表时间:
2015
期刊:
影响因子:
--
通讯作者:
Pelaez NJ
中科院分区:
文献类型:
--
作者:
Trujillo CM;Anderson TR;Pelaez NJ
This study used a literature review and interviews with practicing biologists to develop the MACH model, a Venn diagram of the components research scientists include when explaining molecular and cellular mechanisms. Seven biologists from different subdisciplines included research Methods, Analogy, Context, and How the mechanism works to explain the systems they investigate. Constructing explanations is an essential skill for all science learners. The goal of this project was to model the key components of expert explanation of molecular and cellular mechanisms. As such, we asked: What is an appropriate model of the components of explanation used by biology experts to explain molecular and cellular mechanisms? Do explanations made by experts from different biology subdisciplines at a university support the validity of this model? Guided by the modeling framework of R. S. Justi and J. K. Gilbert, the validity of an initial model was tested by asking seven biologists to explain a molecular mechanism of their choice. Data were collected from interviews, artifacts, and drawings, and then subjected to thematic analysis. We found that biologists explained the specific activities and organization of entities of the mechanism. In addition, they contextualized explanations according to their biological and social significance; integrated explanations with methods, instruments, and measurements; and used analogies and narrated stories. The derived methods, analogies, context, and how themes informed the development of our final MACH model of mechanistic explanations. Future research will test the potential of the MACH model as a guiding framework for instruction to enhance the quality of student explanations.
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DOI:
10.1007/s10763-009-9153-3
发表时间:
2009-10-01
影响因子:
2.2
作者:
Schonborn, Konrad J.;Boegeholz, Susanne
通讯作者:
Boegeholz, Susanne
影响因子:
3.7
作者:
Garvin-Doxas, Kathy;Klymkowsky, Michael W.
通讯作者:
Klymkowsky, Michael W.
影响因子:
4.6
作者:
GROSSLIGHT, L;UNGER, C;SMITH, CL
通讯作者:
SMITH, CL
影响因子:
2.3
作者:
Cardoso Mendonca, Paula Cristina;Justi, Rosaria
通讯作者:
Justi, Rosaria
影响因子:
56.9
作者:
ADLER, J
通讯作者:
ADLER, J