Experts' ontological choices about the same physical phenomenon are context-dependent¶
Claim · All claims
Evidence · 1 study · theoreticalr3·q2
Currency · newest study 2008 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2013: baselines and conditions change
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q2 i? Physicists model a plasma as fluids, as discrete particles, or a combination, depending on the situation. → Ayush Gupta 2008
Evidence¶
Ayush Gupta 2008¶
Ayush Gupta, David Hammer, Edward F. Redish. (2008). The Case for Dynamic Models of Learners' Ontologies in Physics. Journal of the Learning Sciences. https://www.tandfonline.com/journals/hlns20
q2 · i? · theoretical · r3
The authors cite a plasma physics text (Chen, 1977) and parallel examples from nuclear theory (liquid drop versus nucleons) and quantum mechanics (light as waves or photons) to show experts explicitly choose among ontological models. They conclude physics concepts cannot be boxed in a single ontological category.
"depending on the situation, physicists might conceptualize a plasma as made up of fluids, or of discrete particles, and in some cases as a combination of both."
Discussion¶
Related Claims¶
- Neither blood circulation nor diffusion has an inherent correct ontology; predicates from both direct and emergent process categories apply to each — related
- Expert physicists apply matter-based predicates to non-material concepts in professional discourse — a narrower finding that bears on this claim
- Novices can and do reason across ontological categories in everyday and scientific contexts — related
- External empirical evidence can refute a computational model of particle interactions when the model's own simulation cannot — related
- Everyday language routinely and productively crosses ontological categories — a broader claim this one bears on
- Material difficulty is not determined solely by element number and interactivity — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
expert-ontological-choices-context-dependent |
title |
Experts' ontological choices about the same physical phenomenon are context-dependent |
description |
Experts' ontological choices about the same physical phenomenon are context-dependent |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2008 |
recheck_by |
2013 |
generated |
by process:wiki-ingest on 2026-10-18 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — ayush-gupta-2008 |
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