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The way high school chemistry curricula are structured has the potential to convey consequential messages about knowledge and knowing to students and teachers. If a curriculum is built around practicing skills and recalling facts to reach “correct” answers, it is unlikely class activities will be seen (by students or the teacher) as opportunities to figure out causes for phenomena. Our team of teachers and researchers is working to understand how enactment of transformed curricular materials can support high school chemistry students in making sense of perplexing, relatable phenomena. Given this goal, we were surprised to see that co-developers who enacted our materials overwhelmingly emphasized the importance of acquiring true facts/skills when writing weekly reflections. Recognition that teachers’ expressed aims did not align with our stated goal of “supporting molecular-level sensemaking” led us to examine whether the tacit epistemological commitments reflected by our materials were, in fact, consistent with a course focused on figuring out phenomena. We described several aspects of each lesson in our two-semester curriculum including: the role of phenomena in lesson activities, the extent to which lessons were 3-dimensional, the role of student ideas in class dialogue, and who established coherence between lessons. Triangulation of these lesson features enabled us to infer messages about valued knowledge products and processes materials had the potential to send. We observed that our materials commonly encouraged students to mimic the structure of science practices for the purpose of being evaluated by the teacher. That is, students were asked to “go through the motions” of explaining, modeling etc. but had little agency regarding the sorts of models and explanations they found productive in their class community. This study serves to illustrate the importance of surfacing the tacit epistemological commitments that guide curriculum development. Additionally, it extends existing scholarship on epistemological messaging by considering curricular materials as a potentially consequential sources of messages.
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This content will become publicly available on March 1, 2026
Modeling Student Negotiation of Assessment‐Related Epistemological Messages in a College Science Course
To prepare students to use science knowledge in their later personal or professional lives, we must attend to what they believe it means to know and learn science (i.e., epistemology). Unfortunately, we have little understanding of how students' epistemologies shift and are stabilized as they navigate their science courses. Researchers have made intuitive arguments that many microscale epistemological messages sum over time to give rise to macro‐scale understandings of knowing and learning, but we have no theoretical model for how this sum unfolds. Here, we begin to build such a theoretical model. To do so, we focus on assessments and related materials in a college chemistry course as potentially consequential sources of messages about valued knowledge products and processes. We then elicited students' evolving understandings of assessment‐related epistemological messages in several one‐on‐one interviews conducted throughout the semester. Analysis of how three students experienced, negotiated, and responded to assessment‐related messages showed that interactions with the course system stabilized a consistent, well‐resolved picture of the ways of knowing and learning that counted in the focal course. Specifically, good knowledge must have specific authority‐mandated features and knowledge is justified primarily via alignment with an instructor‐authored key. Students found utility in different (reliable) processes for achieving the aim of authorized knowledge, and some of these differences were maintained throughout the semester. Implications for modeling students' experience with course‐embedded epistemological messages over time and how this work might inform practice are discussed.
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- PAR ID:
- 10596435
- Publisher / Repository:
- Wiley
- Date Published:
- Journal Name:
- Science Education
- Volume:
- 109
- Issue:
- 2
- ISSN:
- 0036-8326
- Page Range / eLocation ID:
- 429 to 447
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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