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Within Analogies

When Analogies Lead to Incomplete Understanding

Learners may falsely generalize features of one system to another, building shallow understanding anchored on familiar comparisons.

On this page

  • Signs of overextension
  • Case studies in science education
  • Corrective instructional techniques
Preview for When Analogies Lead to Incomplete Understanding

Introduction

Learners often rely on analogies to make sense of unfamiliar concepts by mapping them onto what is familiar. While this strategy can jump‑start understanding, extending analogies beyond their valid boundaries can embed partial or distorted mental models, especially in science education. When features of a source domain are applied too broadly or without clear limits, learners may falsely assume that those features carry over to the target domain, leading to entrenched misconceptions that persist even after instruction. This page explores how and why overextension of analogies occurs, evidence from research, and instructional approaches that mitigate these pitfalls.[ScienceDirect]sciencedirect.comScienceDirect When analogies harm: The effects of analogies on metacomprehensionScienceDirectWhen analogies harm: The effects of analogies on metacomprehension - ScienceDirectJune 1, 2018…Published: June 1, 2018

Analogy Overextension illustration 1

Signs of Overextension

Overextension happens when learners import attributes from an analogy that aren’t structurally justified in the target concept. In classroom studies, this often appears as:

  • Superficial fluency without deep conceptual grasp: Analogies in science texts can make learners feel they understand a topic better than they do because the comparison feels familiar, yet objective comprehension remains weak when the analogy’s limits aren’t signalled. This pattern undermines metacognitive accuracy — learners believe they understand because the analogy was easy to process, not because they grasp the underlying mechanisms.[ScienceDirect]sciencedirect.comScienceDirect When analogies harm: The effects of analogies on metacomprehensionScienceDirectWhen analogies harm: The effects of analogies on metacomprehension - ScienceDirectJune 1, 2018…Published: June 1, 2018
  • Literal transfer of irrelevant attributes: Students have been shown to transfer specific characteristics from the source domain literally into the target domain, even when those features aren’t applicable. For instance, classroom research has noted when analogies are used without explicit mapping of relevant structures, students may assume traits from the analog apply universally, leading to incomplete or incorrect conceptualisations.[cambridge]cambridge.orgCambridge University Press & AssessmentUsing analogies to explain versus inspire concepts | AI EDAM | Cambridge CoreApril 27, 2015…Published: April 27, 2015 University Press & Assessment
  • Entrenchment of partial models: When an analogy highlights only a subset of causal relations, learners may anchor their mental model on that subset and fail to integrate omitted but critical aspects of the target concept. This results in partial models that resist refinement even when further instruction is provided.[Taylor & Francis Online]tandfonline.comTaylor & Francis Online Full article: Analogy competence for science teachersTaylor & Francis Online Full article: Analogy competence for science teachers

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Case Studies in Science Education

Educational research offers concrete examples of how analogy overextension shapes learning outcomes:

  • Misleading sense of comprehension: In experimental work on expository science texts, students exposed to analogies judged their understanding as higher than it actually was when assessed objectively. The presence of analogies led some learners to rely on familiarity cues rather than deeper structural understanding, especially if they did not actively use situation‑model cues tied to the actual concept.[ScienceDirect]sciencedirect.comScienceDirect When analogies harm: The effects of analogies on metacomprehensionScienceDirectWhen analogies harm: The effects of analogies on metacomprehension - ScienceDirectJune 1, 2018…Published: June 1, 2018
  • Analogies with incomplete mappings: Analyses of how analogies are used in textbooks and classrooms find that many analogies are presented without sufficient explanation of both their correspondences and limitations. For example, comparing electric circuits to flowing water might help with an initial intuition but can also mislead learners about the different nature of electrical potential and pressure if the analogy’s breakdown points are not discussed.[cambridge]cambridge.orgCambridge University Press & AssessmentUsing analogies to explain versus inspire concepts | AI EDAM | Cambridge CoreApril 27, 2015…Published: April 27, 2015 University Press & Assessment
  • Research on analogy misuse: A contemporary study of analogy competence highlights that misconceptions often arise either because the chosen source domain is unsuitable or because students reduce the target domain to only those features that map neatly from the source. In such cases, learners overextend the analogy and fail to integrate non‑analogous but essential properties of the concept.[Taylor & Francis Online]tandfonline.comTaylor & Francis Online Full article: Analogy competence for science teachersTaylor & Francis Online Full article: Analogy competence for science teachers

These cases show that not all analogies are harmful, but their educational value depends critically on how the mapping is structured and contextualised.

Analogy Overextension illustration 2

Corrective Instructional Techniques

Because overextension stems from incomplete or unchecked mappings between domains, instruction that makes analogies more effective includes:

  • Explicitly highlighting limits: Research emphasises the importance of teachers not just presenting an analogy but clarifying how the source and target align and where they differ. This structured approach reduces the risk of students assuming that all features of the analogy hold in the target domain.[PubMed]pubmed.ncbi.nlm.nih.govPub Med Analogies in science and science teachingPubMedAnalogies in science and science teaching - PubMed…
  • Using bridging sequences: Rather than jumping directly from a familiar source to a complex target, bridging analogies introduce intermediate comparisons that gradually adjust learners’ expectations and help them refine which features are relevant. This scaffolding can prevent learners from overgeneralising simple mappings.[cambridge]cambridge.orgCambridge University Press & AssessmentUsing analogies to explain versus inspire concepts | AI EDAM | Cambridge CoreApril 27, 2015…Published: April 27, 2015 University Press & Assessment
  • Supporting analogical reasoning as a skill: Teachers can also engage students in evaluating and generating analogies themselves, promoting awareness of structural correspondences and encouraging critical thinking about when an analogy holds or breaks down. Structured tasks where students compare several potential analogs and discuss their bounds help build discrimination skills that guard against overextension.[ScienceDirect]sciencedirect.comScienceDirect When analogies harm: The effects of analogies on metacomprehensionScienceDirectWhen analogies harm: The effects of analogies on metacomprehension - ScienceDirectJune 1, 2018…Published: June 1, 2018
  • Multiple analogies with caveats: While using multiple analogies risks confusion if applied carelessly, a deliberate set of analogies that emphasise different aspects of a concept — with discussion of their limitations — can fill conceptual gaps and reduce overreliance on any single flawed mapping.[Taylor & Francis Online]tandfonline.comTaylor & Francis Online Full article: Analogy competence for science teachersTaylor & Francis Online Full article: Analogy competence for science teachers

These instructional practices aim to turn analogy from a shortcut that can mislead into a deliberate learning tool that supports conceptual precision rather than partial or superficial understanding.

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Implications for Learning and Teaching

Overextension of analogies can contribute to entrenched misconceptions if left unchecked. Unlike simple inaccuracies, these partial models can be resilient: learners might cling to the parts of an analogy they found intuitive, even when confronted with corrective feedback. However, by foregrounding the limitations of analogies, bridging gaps carefully, and teaching learners to scrutinise analogical mappings, educators can harness analogies’ explanatory power without inadvertently nurturing misconceptions.[Taylor & Francis Online]tandfonline.comTaylor & Francis Online Full article: Analogy competence for science teachersTaylor & Francis Online Full article: Analogy competence for science teachers

Understanding overextension thus situates analogy not as a flawed tool per se, but as one that requires structured use and critical engagement to avoid the very misconceptions it is intended to dissolve.

Analogy Overextension illustration 3

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Endnotes

  1. Source: sciencedirect.com
    Title: ScienceDirect When analogies harm: The effects of analogies on metacomprehension
    Link: https://www.sciencedirect.com/science/article/abs/pii/S0959475217303067
    Source snippet

    ScienceDirectWhen analogies harm: The effects of analogies on metacomprehension - ScienceDirectJune 1, 2018...

    Published: June 1, 2018

  2. Source: cambridge.org
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    Source snippet

    Cambridge University Press & AssessmentUsing analogies to explain versus inspire concepts | AI EDAM | Cambridge CoreApril 27, 2015...

    Published: April 27, 2015

  3. Source: sciencedirect.com
    Title: ScienceDirect Learning by analogy: Discriminating between potential analogs
    Link: https://www.sciencedirect.com/science/article/pii/S0361476X09000381
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    ScienceDirectLearning by analogy: Discriminating between potential analogs - ScienceDirectJanuary 1, 2010...

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    ScienceDirectOctober 1, 2019 — COMPUTERS & EDUCATION Volume 139, October 2019, Pages 173-190 MORE CONFUSION AND FRUSTRATION, BETTER LEARN...

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    Title: Fostering [conceptual change]({{ ‘concept-change/’ | relative_url }}) by analogies—between Scylla and Charybdis
    Link: https://www.sciencedirect.com/science/article/abs/pii/S0959475200000347
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    ScienceDirectAugust 1, 2001 — LEARNING AND INSTRUCTION Volume 11, Issues 4–5, August–October 2001, Pages 283-303 FOSTERING CONCEPTUAL CHA...

    Published: August 1, 2001

  6. Source: sciencedirect.com
    Title: Fostering conceptual change by analogies—between Scylla and Charybdis
    Link: https://www.sciencedirect.com/science/article/pii/S0959475200000347
    Source snippet

    ScienceDirectAugust 1, 2001 — LEARNING AND INSTRUCTION Volume 11, Issues 4–5, August–October 2001, Pages 283-303 FOSTERING CONCEPTUAL CHA...

    Published: August 1, 2001

  7. Source: sciencedirect.com
    Title: The Case for Analogies in Teaching Science for Understanding
    Link: https://www.sciencedirect.com/science/article/pii/B9780124983601500088
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    ScienceDirectTEACHING SCIENCE FOR UNDERSTANDING A Human Constructivist View Educational Psychology 2005, Pages 195-211 CHAPTER 7 - THE CA...

  8. Source: tandfonline.com
    Title: Taylor & Francis Online Full article: Analogy competence for science teachers
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  9. Source: pubmed.ncbi.nlm.nih.gov
    Title: Pub Med Analogies in science and science teaching
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    PubMedAnalogies in science and science teaching - PubMed...

  10. Source: pubmed.ncbi.nlm.nih.gov
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    2015 Mar-Apr;6(2):177-192. doi: 10.1002/wcs.1336. Epub 2015 Jan 26. ANALOGY, HIGHER ORDER THINKING, AND EDUCATION Lindsey Engle Richland^...

Additional References

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    misconceptions via analogical reasoning: abstract transfer versus explanatory model construction - Illinois ExpertsDecember 1, 1989 — OVE...

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  4. Source: youtube.com
    Title: Scientific Method for Kids | Learn all about the Scientific Method Steps
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    Using analogies in science education pitfalls and misconceptions Khan Academy and the Effectiveness of Science Videos Veritasium...

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