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  • Discussion: Is it acceptable to cite your own unpublished internal reports?

    Paper Discussion

    Sometimes you have internal lab reports, internal validation runs or whitepapers that are not public preprints. Are these appropriate citations in manuscripts, and how should they be formatted?

    Qiang Xia, Qiang Huang and 93 others
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  • What are typical hidden pitfalls when performing subgroup analysis on experi...

    Paper Discussion

    Subgroup analysis is frequently used to explore heterogeneous experimental effects. Without careful handling it brings multiple risks including multiple‑comparison bias and small‑sample instability. What mistakes do you observe in published subgroup‑analysis work?

    Ping Zheng, Ping Lu and 92 others
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    • Many researchers run many subgroup tests without pre‑registering their hypotheses.

      6
      • Small sample sizes within subgroups produce highly unstable effect estimates.

        4
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