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Research Methods · subcategory

Statistics

Effect sizes, intervals, multiplicity, and the difference between absent and undetected.

16 topics582 posts5 solved Moderators: s.leclerc, j.mwangi About this category

effect size number needed to treat heterogeneity confounding worked example

16 topics

Topic	Participants	Replies	Views	Activity
About the Statistics category effect size number needed to treat heterogeneity Pinned Wiki Effect sizes, intervals, multiplicity, and the difference between absent and undetected. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with its…	+4	8	2.3k	7mo
[2026 update] Correlation in a self-tracked dataset: what it can support number needed to treat effect size worked example heterogeneity Posting this under the heading it deserves: Correlation in a self-tracked dataset: what it can support Everything below is what sits behind that. I have seen SURMOUNT-4 ( JAMA , 2024) cited in support of a…		2	31k	6h
Second pass at: Absence of evidence and evidence of absence worked example confounding number needed to treat On the subject in the title: Second pass at: Absence of evidence and evidence of absence Working notes rather than a conclusion. Session topic: SELECT ( N Engl J Med , 2023). Please read it before posting;…	+50	55	18k	16h
Sample size intuition for a personal experiment — does this still hold? effect size heterogeneity number needed to treat Solved Sample size intuition for a personal experiment — does this still hold? I have a specific reason for asking rather than idle curiosity, and the context is below. Comparing STEP 1 ( N Engl J Med , 2021) with…	+33	38	26k	23d
What a confidence interval means, from scratch number needed to treat confounding worked example heterogeneity What a confidence interval means, from scratch — that is the question, and I have not found it answered plainly anywhere I have looked. I have seen STEP 8 ( JAMA , 2022) cited in support of a claim I do not…		2	2.6k	2mo
Measurement error in home scales, with a worked standard deviation — the long version number needed to treat worked example heterogeneity effect size Solved On the subject in the title: Measurement error in home scales, with a worked standard deviation — the long version Working notes rather than a conclusion. Session topic: SURMOUNT-1 ( N Engl J Med , 2022).…	+96	105	2k	2mo
Measurement error in home scales, with a worked standard deviation effect size heterogeneity number needed to treat confounding Solved Wiki Measurement error in home scales, with a worked standard deviation Writing it up because I had to work it out twice and would rather nobody else did. Comparing SURPASS-4 ( Lancet , 2021) with STEP 1 ( N Engl…	+26	31	4.3k	4mo
Absence of evidence and evidence of absence effect size worked example number needed to treat Absence of evidence and evidence of absence Writing it up because I had to work it out twice and would rather nobody else did. Session topic: SURMOUNT-OSA ( N Engl J Med , 2024). Please read it before…	+16	20	3.9k	5mo
Measurement error in home scales, with a worked standard deviation — a second dataset effect size confounding heterogeneity number needed to treat Solved Measurement error in home scales, with a worked standard deviation — a second dataset — setting out what I have, and where I think it stops being reliable. Comparing FLOW ( N Engl J Med , 2024) with SURPASS-2…		2	13k	7mo
What a confidence interval means, from scratch — the long version effect size worked example confounding number needed to treat The question in the title: What a confidence interval means, from scratch — the long version I will give what I have already checked below so nobody repeats it. I have seen SURMOUNT-2 ( Lancet , 2023) cited…	+16	20	2.3k	8mo
Multiplicity when you track fifteen variables effect size heterogeneity confounding worked example Solved Multiplicity when you track fifteen variables — setting out what I have, and where I think it stops being reliable. Comparing LEADER ( N Engl J Med , 2016) with SURMOUNT-OSA ( N Engl J Med , 2024) and finding…		2	60k	11mo
Regression to the mean in progress reports number needed to treat heterogeneity confounding effect size On the subject in the title: Regression to the mean in progress reports Working notes rather than a conclusion. Session topic: PIONEER 6 ( N Engl J Med , 2019). Please read it before posting; the discussion…	+30	34	49k	12mo
Second pass at: Regression to the mean in progress reports effect size worked example heterogeneity Second pass at: Regression to the mean in progress reports Writing it up because I had to work it out twice and would rather nobody else did. Comparing SUSTAIN 6 ( N Engl J Med , 2016) with STEP 4 ( JAMA ,…	+71	75	4k	17mo
Second pass at: Multiplicity when you track fifteen variables number needed to treat confounding effect size worked example Posting this under the heading it deserves: Second pass at: Multiplicity when you track fifteen variables Everything below is what sits behind that. I have seen SCALE ( N Engl J Med , 2015) cited in support…		2	12k	18mo
Sample size intuition for a personal experiment number needed to treat heterogeneity confounding effect size On the subject in the title: Sample size intuition for a personal experiment Working notes rather than a conclusion. Session topic: STEP 2 ( Lancet , 2021). Please read it before posting; the discussion is…		4	62k	18mo
Correlation in a self-tracked dataset: what it can support effect size heterogeneity worked example number needed to treat Closed Correlation in a self-tracked dataset: what it can support — setting out what I have, and where I think it stops being reliable. I have seen STEP 4 ( JAMA , 2021) cited in support of a claim I do not think it…	+152	166	48k	23mo

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