Tags · Evidence
confounding
A third variable explaining an apparent association.
Related in this group: STEP programme · SURMOUNT programme · SURPASS programme · SELECT trial · FLOW trial · SOUL trial · TRIUMPH programme · PIONEER programme · SUSTAIN programme · LEADER trial · randomised trial · meta-analysis
48 topics · page 1 of 2
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Cleaning a self-reported dataset and what you throw away — what changed since
Posting this under the heading it deserves: Cleaning a self-reported dataset and what you throw away — what changed since Everything below is what sits behind that. What changes if the standard account of…
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2 | 2k | 1h | |
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About the N-of-1 designs category
Designing a personal experiment that could actually change your mind, including washouts and blinding. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is…
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4 | 22k | 14h | |
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A structured critique template this community uses — a second dataset
On the subject in the title: A structured critique template this community uses — a second dataset Working notes rather than a conclusion. Posting a small dataset on structured critique template. It is mine,…
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+47 | 51 | 16k | 15h |
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Second pass at: Absence of evidence and evidence of absence
On the subject in the title: Second pass at: Absence of evidence and evidence of absence Working notes rather than a conclusion. Two things I would like separated before anyone answers on Absence of evidence,…
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+50 | 55 | 18k | 16h |
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A critique that turned out to be unfair, retracted by its author
Posting this under the heading it deserves: A critique that turned out to be unfair, retracted by its author Everything below is what sits behind that. Critique, and specifically the version of it that the…
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+34 | 38 | 20k | 17h |
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Coming back to: A structured critique template this community uses
Posting this under the heading it deserves: A structured critique template this community uses Everything below is what sits behind that. Reading back through what has been written here about structured…
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+63 | 69 | 17k | 18h |
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A community side-effect dataset, with its response rate and biases
A community side-effect dataset, with its response rate and biases — setting out what I have, and where I think it stops being reliable. Community side-effect dataset: setting out the arithmetic in full,…
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2 | 5.1k | 19h | |
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Immortal time bias in a claims-database study — one year on
Posting this under the heading it deserves: Immortal time bias in a claims-database study — one year on Everything below is what sits behind that. I would like to disagree carefully with the settled view on…
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+41 | 46 | 3.7k | 22h |
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Blinding yourself: practical methods and their limits — the long version
Blinding yourself: practical methods and their limits — the long version Writing it up because I had to work it out twice and would rather nobody else did. A narrow question about Blinding yourself,…
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+7 | 11 | 1.8k | 22h |
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Selection into a registry and what it does to the estimate — a second dataset
Posting this under the heading it deserves: Selection into a registry and what it does to the estimate — a second dataset Everything below is what sits behind that. Posting a small dataset on Selection. It is…
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+28 | 32 | 1.3k | 1d |
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Cleaning a self-reported dataset and what you throw away
Cleaning a self-reported dataset and what you throw away — setting out what I have, and where I think it stops being reliable. Collecting what is known about cleaning a self-reported dataset in one place,…
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2 | 28k | 1d | |
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Washout with a one-week half-life: the arithmetic — does this still hold?
Washout with a one-week half-life: the arithmetic — does this still hold? — that is the question, and I have not found it answered plainly anywhere I have looked. Washout: setting out the arithmetic in full,…
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+41 | 45 | 12k | 1d |
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Blinding yourself: practical methods and their limits
On the subject in the title: Blinding yourself: practical methods and their limits Working notes rather than a conclusion. A methods question rather than a substantive one, about blinding yourself. Everyone…
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+40 | 44 | 33k | 5d |
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What a confidence interval means, from scratch
What a confidence interval means, from scratch — that is the question, and I have not found it answered plainly anywhere I have looked. Asking about confidence interval directly, because I have read four…
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2 | 2.6k | 2mo | |
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Whether an aggregate is worth publishing at all: a disputed topic — does this still hold?
Whether an aggregate is worth publishing at all: a disputed topic — does this still hold? I have a specific reason for asking rather than idle curiosity, and the context is below. An honest uncertainty about…
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+14 | 18 | 3.4k | 2mo |
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Measurement error in home scales, with a worked standard deviation — the long version
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. A narrow question about Measurement error in home…
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+96 | 105 | 2k | 2mo |
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Pre-registering a personal experiment, seriously — a second dataset
Posting this under the heading it deserves: Pre-registering a personal experiment, seriously — a second dataset Everything below is what sits behind that. Posting a small dataset on Pre-registering a personal…
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+60 | 66 | 35k | 3mo |
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An ABAB design with a data table and honest limitations — a second dataset
On the subject in the title: An ABAB design with a data table and honest limitations — a second dataset Working notes rather than a conclusion. Posting a small dataset on ABAB design. It is mine, it is…
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+106 | 118 | 25k | 4mo |
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Measurement error in home scales, with a worked standard deviation
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. What changes if the standard account of measurement error…
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+26 | 31 | 4.3k | 4mo |
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Contributing data without breaching anyone's privacy
Contributing data without breaching anyone's privacy Writing it up because I had to work it out twice and would rather nobody else did. Asking about contributing data without breaching directly, because I…
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+65 | 71 | 839 | 5mo |
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Measurement error in a self-reported exposure
Posting this under the heading it deserves: Measurement error in a self-reported exposure Everything below is what sits behind that. The question about measurement error that I actually want answered is the…
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+117 | 129 | 45k | 5mo |
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An ABAB design with a data table and honest limitations
An ABAB design with a data table and honest limitations Writing it up because I had to work it out twice and would rather nobody else did. An honest uncertainty about ABAB design rather than a disguised…
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2 | 45k | 5mo | |
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Designing a personal experiment that could change your mind
Posting this under the heading it deserves: Designing a personal experiment that could change your mind Everything below is what sits behind that. I was wrong about designing a personal experiment in a thread…
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+2 | 6 | 695 | 6mo |
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Measurement error in home scales, with a worked standard deviation — a second dataset
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. Posting a small dataset on Measurement error in home…
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2 | 13k | 7mo | |
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What a confidence interval means, from scratch — the long version
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. Asking about confidence interval directly,…
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+16 | 20 | 2.3k | 8mo |
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Revisiting: Sample size in a voluntary survey: the selection problem
Revisiting: Sample size in a voluntary survey: the selection problem — setting out what I have, and where I think it stops being reliable. I have spent a fortnight trying to pin Sample size down and I want to…
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2 | 56k | 9mo | |
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Coming back to: A community side-effect dataset, with its response rate and biases
On the subject in the title: A community side-effect dataset, with its response rate and biases Working notes rather than a conclusion. Reading back through what has been written here about community…
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+27 | 31 | 46k | 9mo |
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Reverse causation in a cohort study of weight and outcome — a second dataset
Reverse causation in a cohort study of weight and outcome — a second dataset Writing it up because I had to work it out twice and would rather nobody else did. Posting a small dataset on Reverse causation. It…
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+112 | 131 | 1.5k | 10mo |
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Aggregated purity results across four services, with caveats — a second dataset
Aggregated purity results across four services, with caveats — a second dataset — setting out what I have, and where I think it stops being reliable. Posting a small dataset on Aggregated purity results…
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+127 | 151 | 42k | 10mo |
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Criticising the method without criticising the authors — one year on
On the subject in the title: Criticising the method without criticising the authors — one year on Working notes rather than a conclusion. A methods question rather than a substantive one, about Criticising…
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+16 | 20 | 61k | 11mo |