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    Variance decomposition need not presuppose additivity; in... — Carmelics
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    Challenges→The assertion that the relative contributions of nature and nurture can be apportioned is misleading if not outright false

    Variance decomposition need not presuppose additivity; interaction components (G×E) can themselves be quantified and assigned proportional weight.

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    1 reason for
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    Reasons For

    1 perspective
    Reason for
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    • 1.Interaction effects are empirically real phenomena that influence outcomes; excluding them from decomposition artificially obscures causal structure.
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    • 2.Proportional weighting of G×E terms is mathematically coherent via variance partitioning methods that don't require linear additivity assumptions.
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    • 3.Many biological systems exhibit genuine non-additive effects; additivity-based models misrepresent these systems' actual organizational logic.
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    Reasons Against

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    Reason against
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    • 1.Interaction variance is context-dependent and scale-dependent; assigning fixed proportional weight conflates mathematical possibility with conceptual meaning.
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    • 2.Without additivity, partitioning becomes arbitrary—different decomposition schemes yield different G×E weights for identical data, undermining objectivity.
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    • 3.The claim conflates quantification with interpretation; we can compute G×E terms without establishing they merit independent causal or explanatory weight.
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    Causation1 linkedMoral Responsibility1 linked

    Related

    Interaction effects are empirically real phenomena that influence outcomes; excl...Interaction variance is context-dependent and scale-dependent; assigning fixed p...Many biological systems exhibit genuine non-additive effects; additivity-based m...Proportional weighting of G×E terms is mathematically coherent via variance part...
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    The assertion that the relative contributions of nature and nurture can be appor...The claim conflates quantification with interpretation; we can compute G×E terms...Without additivity, partitioning becomes arbitrary—different decomposition schem...

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    claim
    Perspectives
    2 (1 for, 1 against)
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