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Followers
428
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Protzko
Known for
2 views
So crazy that preregistered experiments show effect sizes 1/3 the size of non-preregistered experiments.
Weird, huh?
Next example: Randomly assigning 999 men in poverty to get 3x median monthly income shows nonsignificant, inconclusive evidence of increasing executive functions that fades out 12-13mo later.
From @szaszibarnabas
https://www.sciencedirect.com/science/article/pii/S0010945223002241?
2 views
What is THE defining difference between human language and animal communication?
Our unending ability to move the goalposts every time our previous definition of ‘language’ includes animals to a new definition that doesn’t.
From Erica A. Cartmill
https://www.pnas.org/doi/pdf/10.1073/pnas.2218799120?download=true
1 views
Fadeout at it again:
602 children randomly assigned to a Kindergarten readiness program showed no cognitive or emotional or behavioral effects by end of High School.
Maybe we need to realize 1-time interventions won’t solve all problems?
From Tyler Watts
https://psycnet.apa.org/record/2024-02088-001
📊 Post engagement
2
Avg engagement / post
0.5%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: So crazy that preregistered experiments show effect sizes 1/3 th · 2 likes + reposts
📊 Activity & format
Posting cadence
0.91 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 1 text · 11 image · 0 video.
Follower / following
5.9×
Follows 72 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Recent posts
View on Mastodon ↗
🔥 Top post
So crazy that preregistered experiments show effect sizes 1/3 the size of non-preregistered experiments.
Weird, huh?
Next example: Randomly assigning 999 men in poverty to get 3x median monthly income shows nonsignificant, inconclusive evidence of increasing executive functions…
Fadeout at it again:
602 children randomly assigned to a Kindergarten readiness program showed no cognitive or emotional or behavioral effects by end of High School.
Maybe we need to realize 1-time interventions won’t solve all problems?
F…
Criminal justice research, especially high-profile experiments with major policy implications, fall just as victim to replication problems.
Initial studies fail on replication, and log-run impacts of effects are rare.
From Megan T. Steven…
Criminal justice research, especially high-profile experiments with major policy implications, fall just as victim to replication problems.
Initial studies fail on replication, and log-run impacts of effects are rare.
From Megan T. Steven…
One of my very strongly held personal beliefs about experimental research is that all of our treatments are heterogeneous, they operate differently and to different extents on different people.
But I have been having a crisis of this faith…
In Sweden, there is a strong relationship between wealth and crime.
But lottery winners, winning the equivalent of just under $100,000, shows no causal effect on crime within the next 7 years, the coefficient is in the wrong direction (nu…
Asking questions about conspiracy beliefs in yes/no format, where yes means belief in the conspiracy, increases ‘rates’ of conspiracy belief by about 50%.
Switching the questions to negatively worded (e.g. The FBI director did NOT alert C…
Every once in a while I like to dredge up a big research fear from the back of my mind, stare at it in horror, and then gently put it away.
Next one:
Unless you know the exact reason for missing data, all missing data is MNAR and all MAR a…
What is THE defining difference between human language and animal communication?
Our unending ability to move the goalposts every time our previous definition of ‘language’ includes animals to a new definition that doesn’t.
From Erica A. C…
11 crowd-sourced experiments to improve behavior for climate change finds only showing how it threatens current way of life and acting is patriotic increases belief, intentions to act, and DOESN’T backfire for taking actual action.
From Ma…
Seeing high levels of inequality in the United States causes people believe there is less social mobility, which in tern leads them to feel less sense of control. This sense of control, when manipulated in hypothetical scenarios, causes pe…
For binary DVs, when the base rate > 95% (common) or < 5% (rare) logit & probit models have inflated estimates & SEs, leading to biases and reduced power. And it is NOT solved by having more N. Only Random effect logit models minimize bias…
🐘 Community & instance
Home server
nerdculture.de
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
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 2 views per post.
📤Posts about 0.9× per week.
🕵️ Fake follower check
Estimated66/100
Good
Credibility score
89%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 89% real, active audience · Low fake-follower risk.
- Engagement (~0.5% of followers engage each post) is around typical for Mastodon.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
I study causality as it applies to social cognition, cognitive development, and metascience. Here to share high quality research.
@protzko.bsky.social
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
NixNick
15%
Mora L. Apostel 🏴☠️
14%
feuerrot
14%
Jesse
12%
Jens Bannmann ⁂
11%
Auf Die Plätze Hannover
11%
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Mora L. Apostel 🏴☠️
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429
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feuerrot
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427
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NixNick
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Frequently asked questions
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How many followers does Protzko have?
Protzko has 428 followers on Mastodon.
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