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Gabriel S. Jacobs
gsjphd.bsky.social
did:plc:c4ebcbrscoifaty6blqeugao
I guess it's technically okay to collect data before formulating hypotheses so long as you absolutely 100% do NOT look at them, but even that's iffy.
If you do a 1-tailed t-test but pick which tail AFTER you collect your data, you've really done a 2-tailed t-test (but falsely halved your p-value).
2024-07-05T19:48:34.596Z