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Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...
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In the application of the Routh-Hurwitz criterion, two specific scenarios can arise that complicate stability analysis.
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The Wald-Wolfowitz test, also known as the runs test, is a nonparametric statistical test used to assess the randomness of a sequence of two different types of elements (e.g., positive/negative values, successes/failures). It examines whether the order of the elements in a sequence is random or if there is a pattern or trend present. This nonparametric test applies to any ordered data despite the population and sample data distribution, even if a higher sample size is available.
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Updated: Feb 17, 2026

Exploring the Role of Deontic Reasoning and World Knowledge in Wason´s Selection Task
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Erratum: Revisiting the Warnock rule.

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    Summary
    This summary is machine-generated.

    This study corrects a previously published article. The correction ensures accurate referencing and scientific integrity for the research findings.

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    Area of Science:

    • This abstract pertains to the field of scientific publishing and research integrity.

    Background:

    • Ensuring the accuracy of scientific literature is crucial for reliable research.
    • Proper citation and digital object identifiers (DOIs) are essential for tracking and verifying scientific publications.

    Purpose of the Study:

    • To formally correct an error in the article's Digital Object Identifier (DOI).
    • To maintain the integrity and retrievability of scientific research.

    Main Methods:

    • Identification of the incorrect DOI in the original publication.
    • Issuance of a formal correction notice with the accurate DOI.

    Main Results:

    • The article DOI has been corrected to 10.1038/nbt.4015.
    • This correction ensures that readers and indexing services can accurately access the intended research.

    Conclusions:

    • Accurate DOIs are fundamental for the scientific record.
    • This correction upholds the standards of scientific communication and reproducibility.