correlational
In eggs that will hatch, the inside becomes more alkaline at first and then cools down, but in eggs that won’t hatch, it keeps getting more alkaline—this difference might be because the growing chick...
Evidence from Studies
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Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.