Protzko
@protzko.bsky.social
Experimental Psychologist, social perceptions, metascience. I study the assumptions you make. Here just trying to share good research
https://sites.google.com/view/assumptionlabccsu/home
https://sites.google.com/view/assumptionlabccsu/home
Anytime you see a product criticized for "hacking your dopamine reward system"
and it is not a chemical substance,
they just mean it's enjoyable.
That's it.
The product is enjoyable.
and it is not a chemical substance,
they just mean it's enjoyable.
That's it.
The product is enjoyable.
February 9, 2026 at 2:07 PM
Anytime you see a product criticized for "hacking your dopamine reward system"
and it is not a chemical substance,
they just mean it's enjoyable.
That's it.
The product is enjoyable.
and it is not a chemical substance,
they just mean it's enjoyable.
That's it.
The product is enjoyable.
Maybe it's my own scientism bias but it seems to me:
If something exists independent of what people say it is, it can be studied & understood.
If something only exists as what people say it is, studying people tells us what it is.
Is something missing here or are one of the premises wrong?
If something exists independent of what people say it is, it can be studied & understood.
If something only exists as what people say it is, studying people tells us what it is.
Is something missing here or are one of the premises wrong?
February 5, 2026 at 12:39 PM
Maybe it's my own scientism bias but it seems to me:
If something exists independent of what people say it is, it can be studied & understood.
If something only exists as what people say it is, studying people tells us what it is.
Is something missing here or are one of the premises wrong?
If something exists independent of what people say it is, it can be studied & understood.
If something only exists as what people say it is, studying people tells us what it is.
Is something missing here or are one of the premises wrong?
Where are the economists at who somehow have a dataset of all people wait listed at only one college who either did or did not get into college?
Does going to college make people more liberal? Probably yes, but it’s complicated… For decades, US adults with degrees have held more left-leaning views on social issues, but not on economic ones. And, until the 2010s, grads did not *identify* as more liberal than non-grads.
February 4, 2026 at 6:38 PM
Where are the economists at who somehow have a dataset of all people wait listed at only one college who either did or did not get into college?
every once in a while I read a paper that changes me.
If you do research involving between-Ss experiments or interpreting between-people correlations in any way (e.g. SEM)
read this paper, weep, & don't ignore the implications.
from Michael D Hunter
pmc.ncbi.nlm.nih.gov/articles/PMC...
#psych
If you do research involving between-Ss experiments or interpreting between-people correlations in any way (e.g. SEM)
read this paper, weep, & don't ignore the implications.
from Michael D Hunter
pmc.ncbi.nlm.nih.gov/articles/PMC...
#psych
February 3, 2026 at 1:45 PM
every once in a while I read a paper that changes me.
If you do research involving between-Ss experiments or interpreting between-people correlations in any way (e.g. SEM)
read this paper, weep, & don't ignore the implications.
from Michael D Hunter
pmc.ncbi.nlm.nih.gov/articles/PMC...
#psych
If you do research involving between-Ss experiments or interpreting between-people correlations in any way (e.g. SEM)
read this paper, weep, & don't ignore the implications.
from Michael D Hunter
pmc.ncbi.nlm.nih.gov/articles/PMC...
#psych
Reposted by Protzko
Really crazy that so many Americans based their entire life around carrying guns to protect US from authoritarians & pedophiles, then when confronted with authoritarians & pedophiles they joined in as paramilitary terrorizing innocent civilians & protecting the pedophiles from accountability.
February 2, 2026 at 3:28 AM
Really crazy that so many Americans based their entire life around carrying guns to protect US from authoritarians & pedophiles, then when confronted with authoritarians & pedophiles they joined in as paramilitary terrorizing innocent civilians & protecting the pedophiles from accountability.
Reposted by Protzko
If you're interested in data sleuthing but aren't sure where to start,
or if you're conducting a systematic review/meta-analysis and want to ensure you're not including junk studies,
check out this Cochrane training session on Trustworthiness Assessment by @jdwilko.bsky.social
or if you're conducting a systematic review/meta-analysis and want to ensure you're not including junk studies,
check out this Cochrane training session on Trustworthiness Assessment by @jdwilko.bsky.social
INSPECT-SR: A tool for assessing trustworthiness of randomised controlled trials | Cochrane
www.cochrane.org
February 2, 2026 at 6:05 PM
If you're interested in data sleuthing but aren't sure where to start,
or if you're conducting a systematic review/meta-analysis and want to ensure you're not including junk studies,
check out this Cochrane training session on Trustworthiness Assessment by @jdwilko.bsky.social
or if you're conducting a systematic review/meta-analysis and want to ensure you're not including junk studies,
check out this Cochrane training session on Trustworthiness Assessment by @jdwilko.bsky.social
Reposted by Protzko
“Our findings suggest that although respondents believe that questionable research practices should not be used, they conceded there are systemic reasons some use them.”
Open Acc: doi.org/10.1098/rsos...
BSky authors: @sarahcaroleo.bsky.social, @jesse-fleming.bsky.social, @bryancook.bsky.social
Open Acc: doi.org/10.1098/rsos...
BSky authors: @sarahcaroleo.bsky.social, @jesse-fleming.bsky.social, @bryancook.bsky.social
February 1, 2026 at 11:31 AM
“Our findings suggest that although respondents believe that questionable research practices should not be used, they conceded there are systemic reasons some use them.”
Open Acc: doi.org/10.1098/rsos...
BSky authors: @sarahcaroleo.bsky.social, @jesse-fleming.bsky.social, @bryancook.bsky.social
Open Acc: doi.org/10.1098/rsos...
BSky authors: @sarahcaroleo.bsky.social, @jesse-fleming.bsky.social, @bryancook.bsky.social
Reposted by Protzko
What drives retention in online longitudinal research? We conducted an experiment (N=1,798) on @joinprolific.bsky.social, orthogonally manipulating payment rate (£6–£9/hr + bonus) and session interval (1, 2, or 4 weeks) across five sessions. The findings challenge some common assumptions 👇
January 29, 2026 at 2:50 PM
What drives retention in online longitudinal research? We conducted an experiment (N=1,798) on @joinprolific.bsky.social, orthogonally manipulating payment rate (£6–£9/hr + bonus) and session interval (1, 2, or 4 weeks) across five sessions. The findings challenge some common assumptions 👇
My Mom: What are you working on now?
Me: A Monte Carlo simulation on the lowly correlation coefficient.
My Mom: I thought you were studying how memory biases influence prejudice against Kids These Days, why are you doing this?
Me: What does it look like Im doing?
Me: A Monte Carlo simulation on the lowly correlation coefficient.
My Mom: I thought you were studying how memory biases influence prejudice against Kids These Days, why are you doing this?
Me: What does it look like Im doing?
a man is holding a blender in front of a door with a star world logo on it
ALT: a man is holding a blender in front of a door with a star world logo on it
media.tenor.com
January 29, 2026 at 2:40 PM
My Mom: What are you working on now?
Me: A Monte Carlo simulation on the lowly correlation coefficient.
My Mom: I thought you were studying how memory biases influence prejudice against Kids These Days, why are you doing this?
Me: What does it look like Im doing?
Me: A Monte Carlo simulation on the lowly correlation coefficient.
My Mom: I thought you were studying how memory biases influence prejudice against Kids These Days, why are you doing this?
Me: What does it look like Im doing?
Reposted by Protzko
behold, we found great variation in how people think! Many activities that we thought would be “gaming” weren't & vice versa, eg half of the participants interpreted ‘gambling’ to be ‘gaming’. Ergo: surveying ‘gaming’ without defining it creates data mess
January 28, 2026 at 9:56 AM
behold, we found great variation in how people think! Many activities that we thought would be “gaming” weren't & vice versa, eg half of the participants interpreted ‘gambling’ to be ‘gaming’. Ergo: surveying ‘gaming’ without defining it creates data mess
Reposted by Protzko
Some thoughts:
1. The deadline for nominating a person or group for the Nobel Peace Prize is Feb. 1.
2. History professors are qualified nominators.
3. The people of Minnesota have been awe-inspiringly peaceful in the face of state violence.
4. He would be so mad.
1. The deadline for nominating a person or group for the Nobel Peace Prize is Feb. 1.
2. History professors are qualified nominators.
3. The people of Minnesota have been awe-inspiringly peaceful in the face of state violence.
4. He would be so mad.
Nomination and selection of Nobel Peace Prize laureates - NobelPrize.org
A nomination for the Nobel Peace Prize may be submitted by any person who meets the nomination criteria. A letter of invitation to submit is not required. The names of the nominees and other informati...
www.nobelprize.org
January 22, 2026 at 11:56 PM
Some thoughts:
1. The deadline for nominating a person or group for the Nobel Peace Prize is Feb. 1.
2. History professors are qualified nominators.
3. The people of Minnesota have been awe-inspiringly peaceful in the face of state violence.
4. He would be so mad.
1. The deadline for nominating a person or group for the Nobel Peace Prize is Feb. 1.
2. History professors are qualified nominators.
3. The people of Minnesota have been awe-inspiringly peaceful in the face of state violence.
4. He would be so mad.
Me thinking I like reading #philosophy until I get hit with a sentence like this.
Seriously, who writes this, slaps it, and says that's good that's not going anywhere?
P. S. this is a footnote calling to another footnote.
Seriously, who writes this, slaps it, and says that's good that's not going anywhere?
P. S. this is a footnote calling to another footnote.
January 22, 2026 at 1:16 PM
Me thinking I like reading #philosophy until I get hit with a sentence like this.
Seriously, who writes this, slaps it, and says that's good that's not going anywhere?
P. S. this is a footnote calling to another footnote.
Seriously, who writes this, slaps it, and says that's good that's not going anywhere?
P. S. this is a footnote calling to another footnote.
Great team in a beautiful city!
📢 Post-doc position – Toulouse (France) 🇫🇷
A post-doctoral position (12 months) is open at CNRS in Toulouse to work with me on the relationship between signal detection theory, conspiracy beliefs, and perceptions of corruption...
🔗 emploi.cnrs.fr/Offres/CDD/U...
Feel free to share!
A post-doctoral position (12 months) is open at CNRS in Toulouse to work with me on the relationship between signal detection theory, conspiracy beliefs, and perceptions of corruption...
🔗 emploi.cnrs.fr/Offres/CDD/U...
Feel free to share!
Portail Emploi CNRS - Offre d'emploi - PhD contract on ANR COPYCAT : "Study of the relationship between conspiracist beliefs and perceptions of corruption" M/F
Assurez-vous que votre profil candidat soit correctement renseigné avant de postuler
emploi.cnrs.fr
January 22, 2026 at 10:42 AM
Great team in a beautiful city!
Here, we start the process towards global random sampling. We can't fully get there, but we can make steps. Our framework:
Cluster random sampling, proportional weighting, BTS, nonresponse bias correction.
osf.io/preprints/ps...
with @miguelsilan.bsky.social @grinschglsandra.bsky.social
#psych
Cluster random sampling, proportional weighting, BTS, nonresponse bias correction.
osf.io/preprints/ps...
with @miguelsilan.bsky.social @grinschglsandra.bsky.social
#psych
January 21, 2026 at 2:14 PM
Here, we start the process towards global random sampling. We can't fully get there, but we can make steps. Our framework:
Cluster random sampling, proportional weighting, BTS, nonresponse bias correction.
osf.io/preprints/ps...
with @miguelsilan.bsky.social @grinschglsandra.bsky.social
#psych
Cluster random sampling, proportional weighting, BTS, nonresponse bias correction.
osf.io/preprints/ps...
with @miguelsilan.bsky.social @grinschglsandra.bsky.social
#psych
Reposted by Protzko
If you are interested in all things ✨causal inference✨, please join our multidisciplinary Causal Inference Interest Group (CIIG). We host monthly seminars featuring speakers with various academic backgrounds and research interests.
Links below.
cc @clscohorts.bsky.social @pwgtennant.bsky.social
Links below.
cc @clscohorts.bsky.social @pwgtennant.bsky.social
January 20, 2026 at 12:35 PM
If you are interested in all things ✨causal inference✨, please join our multidisciplinary Causal Inference Interest Group (CIIG). We host monthly seminars featuring speakers with various academic backgrounds and research interests.
Links below.
cc @clscohorts.bsky.social @pwgtennant.bsky.social
Links below.
cc @clscohorts.bsky.social @pwgtennant.bsky.social
Reposted by Protzko
We invite apps for our postbac fellowship in educational research and action. Postbacs engage in research on learning & learning environments, receive close mentorship from scholars across disciplines, and gain hands-on experience through community-based programs. See cladlab.nd.edu/era-fellowsh...
Era Postbac Fellowship | CLAD Lab | University of Notre Dame
cladlab.nd.edu
January 18, 2026 at 12:01 AM
We invite apps for our postbac fellowship in educational research and action. Postbacs engage in research on learning & learning environments, receive close mentorship from scholars across disciplines, and gain hands-on experience through community-based programs. See cladlab.nd.edu/era-fellowsh...
Reposted by Protzko
It’s usually about 15C when I wake up lately (my landlord won’t let me install a smart thermostat) so the butter is very hard, but I’ve discovered (maybe you all already knew this) that using a vegetable peeler to get thin slices makes cold butter so easy to spread! #lifehacks 🧈
January 18, 2026 at 12:10 PM
It’s usually about 15C when I wake up lately (my landlord won’t let me install a smart thermostat) so the butter is very hard, but I’ve discovered (maybe you all already knew this) that using a vegetable peeler to get thin slices makes cold butter so easy to spread! #lifehacks 🧈
When running an ANOVA (say, 3-groups), F is the omnibus test.
Translated to OLS, 2 dummy variables, the change in R2 is the omnibus test.
BUT, what if analyzing as a Structural Equation Model (in the Figure below)?
Is there something that matches the Omnibus F? Or closely approximates?
#stats
Translated to OLS, 2 dummy variables, the change in R2 is the omnibus test.
BUT, what if analyzing as a Structural Equation Model (in the Figure below)?
Is there something that matches the Omnibus F? Or closely approximates?
#stats
January 17, 2026 at 1:33 PM
When running an ANOVA (say, 3-groups), F is the omnibus test.
Translated to OLS, 2 dummy variables, the change in R2 is the omnibus test.
BUT, what if analyzing as a Structural Equation Model (in the Figure below)?
Is there something that matches the Omnibus F? Or closely approximates?
#stats
Translated to OLS, 2 dummy variables, the change in R2 is the omnibus test.
BUT, what if analyzing as a Structural Equation Model (in the Figure below)?
Is there something that matches the Omnibus F? Or closely approximates?
#stats
Reposted by Protzko
Yes, the concordance of the values is likely happenstance as the populations are different.
Reproducibility Project = P(+ result in replication | published)
This project = P(+ result | conducted)
Reproducibility Project = P(+ result in replication | published)
This project = P(+ result | conducted)
January 14, 2026 at 9:22 PM
Yes, the concordance of the values is likely happenstance as the populations are different.
Reproducibility Project = P(+ result in replication | published)
This project = P(+ result | conducted)
Reproducibility Project = P(+ result in replication | published)
This project = P(+ result | conducted)
Can you make people feel wealthier than their peers?
In two direct replications, we answer: maybe?
But if you can’t it does not transfer to things subjective SES correlate with.
Our new work with Lily Green &
@samanthajamesbrown.bsky.social
#psych #meta
osf.io/preprints/ps...
In two direct replications, we answer: maybe?
But if you can’t it does not transfer to things subjective SES correlate with.
Our new work with Lily Green &
@samanthajamesbrown.bsky.social
#psych #meta
osf.io/preprints/ps...
January 12, 2026 at 2:12 PM
Can you make people feel wealthier than their peers?
In two direct replications, we answer: maybe?
But if you can’t it does not transfer to things subjective SES correlate with.
Our new work with Lily Green &
@samanthajamesbrown.bsky.social
#psych #meta
osf.io/preprints/ps...
In two direct replications, we answer: maybe?
But if you can’t it does not transfer to things subjective SES correlate with.
Our new work with Lily Green &
@samanthajamesbrown.bsky.social
#psych #meta
osf.io/preprints/ps...
Reposted by Protzko
Great opportunity for an open science data archivist in the DC area! I was able to work with this team in 2024 through some contract work, and I highly recommend them. Please share.
Pew Research Center just posted a brand new opening for a Data Archivist! This is a 2-year, grant-funded position housed within the methods team (the best team obv). Check out the link below for a full description and to apply! #openscience
Data Archivist
Position Summary Pew Research Center is seeking a Data Archivist to support our commitment to open science and data transparency. This newly created role will play a key part in enhancing the accessib...
pewtrusts.wd5.myworkdayjobs.com
January 6, 2026 at 7:25 PM
Great opportunity for an open science data archivist in the DC area! I was able to work with this team in 2024 through some contract work, and I highly recommend them. Please share.
I'm starting to see an increase in students wanting group projects to "get to know each other better".
I always thought nothing could be more horrendous in college than a group project.
Now the students yearn for them.
I always thought nothing could be more horrendous in college than a group project.
Now the students yearn for them.
January 6, 2026 at 4:38 PM
I'm starting to see an increase in students wanting group projects to "get to know each other better".
I always thought nothing could be more horrendous in college than a group project.
Now the students yearn for them.
I always thought nothing could be more horrendous in college than a group project.
Now the students yearn for them.
Reposted by Protzko
Do you want to work with me?:) Please spread the word! We are looking for talented Post-doc candidates for a 10-month Junior Fellowship at the Behavioral Science Center, hosted by the Corvinus Institute for Advanced Studies (CIAS). 1/6
www.the-bs-lab.com
www.the-bs-lab.com
Behavioral Science
What do we do?
We conduct large-scale behavioral science studies to improve the daily decisions, behavior, and experience of vulnerable individuals (e.g., the well-being of citizens and families / ed...
www.the-bs-lab.com
January 5, 2026 at 9:16 PM
Do you want to work with me?:) Please spread the word! We are looking for talented Post-doc candidates for a 10-month Junior Fellowship at the Behavioral Science Center, hosted by the Corvinus Institute for Advanced Studies (CIAS). 1/6
www.the-bs-lab.com
www.the-bs-lab.com