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685
Account age
3 yrs
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$40 – $65 / sponsored post
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Known for
40 views
#PsychologicalScience (the journal) after the replication crisis.
A z-curve analysis
https://replicationindex.com/2022/10/20/princeton-talk-about-z-curve/
The % of significant (p < .05, z > 2) results has not changed much (ODR = 75% vs. 71). However, the actual power to get these results has increased a lot (EDR = 21% vs. 68%). As a result, the false discovery risk has decreased from 20% to 2%.
20 views
Happy New Year
20 views
#PsychologicalDeception
Despite the obvious replication crisis in psychology, psychologists lack a consensus about the cause.
1. Some say it is normal (e.g., Strack, Stroebe, Fiedler).
2. Some say it was too easy to get significance (DataColada)
3. Some say the replication studies are shoddy (Gilbert, Baumeister).
4 Some say nobody did replication studies before (Nosek).
5. I say failed replic
11 views
Now this is what I call junk science.
https://psyarxiv.com/uy7ph/
📊 Post engagement
14
Avg engagement / post
2%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: #PsychologicalScience (the journal) after the replication crisis · 40 likes + reposts
📊 Activity & format
Posting cadence
0.11 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 5 text · 7 image · 0 video.
Follower / following
0.8×
Follows 830 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
🔥 Top post
#PsychologicalScience (the journal) after the replication crisis.
A z-curve analysis
https://replicationindex.com/2022/10/20/princeton-talk-about-z-curve/
The % of significant (p < .05, z > 2) results has not changed much (ODR = 75% vs. 71). However, the actual power to get thes…
Sorry guys, Mastadon didn't work for me.
Find me on bluesky.
@ulrichschimmack.bsky.social
Psychology often is unable to resolve disputes with empirical research. Structure of affect is one example. I wrote this review over 15 years ago. I think it is still relevant and the issues have not been resolved.
https://replicationindex…
#FalsePositiveRisk in #Medicine
We provide an empirical test of Ioannidis's prediction and find the false discovery risk is well below 50%. Now as citation friendly preprint.
https://arxiv.org/abs/2302.00774
#OpenData
When the article states that the data are available on request and you ask for them.
Thank you!
We are still in the process of studying these data. Hence, unfortunately, I cannot give you an answer at present time.
#NerdHumor #Statistics
https://xkcd.com/2726/
Forget about your H-Index.
What really matters is that you publish one article that makes a lasting contribution. Here Stroop who published only 4 papers. and has an H-Index of 4, but still 700 citations a year today.
Now this is what I call junk science.
https://psyarxiv.com/uy7ph/
An unfair disadvantage for German researchers. They now are forced to make their file drawers public. Every university could mandate this as part of IRB review.
Happy New Year
Happy New Year
#PsychologicalDeception
Despite the obvious replication crisis in psychology, psychologists lack a consensus about the cause.
1. Some say it is normal (e.g., Strack, Stroebe, Fiedler).
2. Some say it was too easy to get significance (Dat…
Forget about your H-Index.
What really matters is that you publish one article that makes a lasting contribution. Here Stroop who published only 4 papers. and has an H-Index of 4, but still 700 citations a year today.
Now this is what I call junk science.
https://psyarxiv.com/uy7ph/
An unfair disadvantage for German researchers. They now are forced to make their file drawers public. Every university could mandate this as part of IRB review.
Happy New Year
Happy New Year
#PsychologicalDeception
Despite the obvious replication crisis in psychology, psychologists lack a consensus about the cause.
1. Some say it is normal (e.g., Strack, Stroebe, Fiedler).
2. Some say it was too easy to get significance (Dat…
🐘 Community & instance
Home server
nerdculture.de
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 14 views per post.
📤Posts about 0.1× per week.
🛡️ Audience credibility
89/100
Excellent
Credibility score
99%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 99% real, active audience · Low fake-follower risk.
- Strong engagement (~2.0% of followers engage each post) — an active, real audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
find me at @ulrichschimmack.bsky.social on bluesky
Made in Germany, Lives in Canada, Meta-Scientist, Happiness Researcher, Statistical Consultant, Z-Curve.
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