• Clent@lemmy.world
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    6 months ago

    The study says only the first two born suffer from siblings. So go big or stick one or two I guess l?

    This doesn’t sound like a very well reasoned study. I’m always suspicious when they find what they seek and wave away doubts rather than challenge their own assertions.

    What the parent’s employment status. Does have a stay at home parent matter. Did they control for socioeconomic conditions. Did they control for culture. They claim by measuring change they don’t need to worry about any of that. They are literally only looking for a change.

    They ignore spacing of children and assume the last born has the same family size for their entire childhood…so their older siblings reaching adulthood apparently has no affected? That seems odd.

    I would wager this fails the reproducibility test.