Andres Montealegre
andresm.bsky.social
Andres Montealegre
@andresm.bsky.social
Postdoc at Yale School of Management, interested in judgment and decision-making, research methods, and movies.

http://andres-montealegre.com/
Reposted by Andres Montealegre
Would p-curve work if you dropped a piano on it?
datacolada.org/129
September 24, 2025 at 12:30 PM
Reposted by Andres Montealegre
Colada[128] The Best Audit Study and its interesting shortcoming
datacolada.org/128
June 23, 2025 at 2:15 PM
Reposted by Andres Montealegre
The second edition of The Effect has been delayed a bit... because there were so many orders they had to switch to a bigger print run! Thank you everyone for your support, and check out the second edition here: www.routledge.com/The-Effect-A...
The Effect: An Introduction to Research Design and Causality
The Effect: An Introduction to Research Design and Causality, Second edition is an excellent teaching text about research design, specifically concerning research that uses observational data to make ...
www.routledge.com
June 6, 2025 at 5:28 PM
Reposted by Andres Montealegre
Don't assume, plot
datacolada.org/126
June 2, 2025 at 3:37 PM
Does anybody know of a paper or blog discussing arguments of the form "we found our results despite this confound that works against our effect"? Essentially, how to think about confounds that go against the hypothesized or observed effect.
April 8, 2025 at 3:36 PM
Reposted by Andres Montealegre
Really proud of this new work out @psychscience.bsky.social. Led by the amazing but bluesky-less Amanda Geiser and with @deborahsmall.bsky.social.

We show that when comparing moral wrongs, people are (much) more willing to “scale up” than to “scale down” condemnation and punishment…
March 22, 2025 at 6:20 PM
Reposted by Andres Montealegre
Reposted by Andres Montealegre
🏆 Research integrity consultant and image forensics expert @elisabethbik.bsky.social has uncovered fraudulent data in over 7,600 scientific papers and exposed the practices of ‘paper mills’ that produce counterfeit scientific articles. She is honoured with the €200K Individual Award. Congrats!
March 14, 2025 at 10:14 PM
Reposted by Andres Montealegre
The vibraphonist, composer and jazz-funk pioneer helped inspire the neo-soul movement, and his best-known song was sampled over 100 times.
Roy Ayers, whose 'Everybody Loves The Sunshine' charmed generations, dies at 84
The vibraphonist, composer and jazz-funk pioneer helped inspire the neo-soul movement, and his best-known song was sampled over 100 times.
www.npr.org
March 6, 2025 at 1:36 AM
Reposted by Andres Montealegre
Delving into a disagreement with prominent political scientists on a fundamental data-analysis question: what do you want to learn from a regression interaction?
datacolada.org/123
[123] Dear Political Scientists: The binning estimator violates ceteris paribus - Data Colada
This post delves into a disagreement I have with three prominent political scientists, Jens Hainmueller, Jonathan Mummolo, and Yiqing Xu (HMX), on a fundamental methodological question: how to analyze...
datacolada.org
March 5, 2025 at 12:58 PM
Reposted by Andres Montealegre
Today in @worksinprogress.bsky.social, I reflect on Donald Shoup's legacy. Perhaps the most interesting question: how did the most unlikely professor kick off an international parking reform movement?
substack.com/home/post/p-...
The prophet of parking
A eulogy for the great Donald Shoup
substack.com
February 12, 2025 at 5:11 PM
Reposted by Andres Montealegre
A new working paper with Daniel Banki, @urisohn.bsky.social and Robert Walatka, just submitted to SSRN.

The paper is comment on Ryan Oprea's recent AER paper.

The paper is processing, but you, my friends, get early entry.

papers.ssrn.com/sol3/papers....
February 7, 2025 at 1:08 AM
Reposted by Andres Montealegre
January 19
January 19, 2025 at 11:12 PM
Reposted by Andres Montealegre
My ✨New Paper✨ (w/ Robyn LeBoeuf) is out in JEP: General!
We find a robust discrepancy between people’s prediction and their own likelihood judgment. 1/n🧵
psycnet.apa.org/record/2025-...
APA PsycNet
psycnet.apa.org
January 20, 2025 at 3:51 PM
Reposted by Andres Montealegre
Did a police training improve officers' behavior during arrests?

A forthcoming QJE paper with a flexible pre-registration and key p-values of p=.048 & p=.051 says yes.

datacolada.org/122
[122] Arresting Flexibility: A QJE field experiment on police behavior with about 40 outcome variables - Data Colada
A forthcoming paper in the Quarterly Journal of Economics (QJE), "A Cognitive View of Policing" (htm), reports results from a field experiment showing that teaching police officers to "consider differ...
datacolada.org
January 7, 2025 at 4:24 PM
Reposted by Andres Montealegre
Madrid tripled the length of its metro system in just 12 years, faster and cheaper than almost any other city in the world.

Left: in 1994
Right: after 2007

Cost per mile: £64–91 million

(around 7x cheaper than London's Jubilee & Northern line expansions & 14x cheaper than Toronto's Ontario line)
December 6, 2024 at 1:23 PM
Reposted by Andres Montealegre
I’m looking for responses to replications that attributed failure to stimuli becoming invalid with time (e.g., Shafir and Cheek 2024 JDM on choose/reject effects), or to stimulus selection more generally. Discussions also welcome (e.g., @olegurminsky.bsky.social and Dietvorst 2024 JCR). Pointers?
December 6, 2024 at 12:51 PM
Reposted by Andres Montealegre
I'm compiling types of manipulations in psychology:
1) Vignette study
2) Autobiographical ("Remember a time you ...")
3) Confederate acts some way
4) Watch video inducing emotion
5) Behavioral instruction ("talk to a stranger")
6) Prime a construct
7) Framing outcomes

To contribute, reply
December 6, 2024 at 11:47 AM
Reposted by Andres Montealegre
A popular tool in political science for dealing with nonlinearities in invalidated by...
...nonlinearities.

datacolada.org/121
[121] Dear Political Scientists: Don't Bin, GAM Instead - Data Colada
There is a 2019 paper, in the journal Political Analysis (htm), with over 1000 Google cites, titled "How Much Should We Trust Estimates from Multiplicative Interaction Models? Simple Tools to Improve ...
datacolada.org
December 3, 2024 at 6:40 PM
Reposted by Andres Montealegre
We (i.e., the marketing department at ESADE) are looking for PhD students. Please spread the word:
We are seeking highly motivated #MRes #MSc students to:
▪️Work on high-profile research projects related to AI/digital marketing with the #marketing faculty at Esade
▪️Pursue a fully funded PhD program at Esade in the same subject area ( #quantitativemarketing #consumerbehavior)
November 24, 2024 at 12:44 PM
Reposted by Andres Montealegre
Man I cannot endorse this abstract more
November 25, 2024 at 11:00 PM
Previous research shows that people sometimes view moral questions as objectively true, while other times treating them as true only relative to different perspectives. In our new paper, we present evidence that social rewards may explain this apparent inconsistency...
November 22, 2024 at 7:21 PM
Reposted by Andres Montealegre
My First R Package: Dec.5-6

I'm super excited to announce that I'll soon be teaching a short course on how to develop #RStats packages!

A 📦can make your code more efficient, reproducible, and helpful to others.

Please let me know if you have any questions.

codehorizons.com/Seminars/my-...
November 12, 2024 at 9:00 PM
Reposted by Andres Montealegre
Academics using {renv}: please check out:
groundhogr.com/renv

#rstats
RENV: comparing groundhog with renv – Groundhog
groundhogr.com
November 12, 2024 at 3:13 PM
Request: Are there examples of replications or studies examining whether results change when tested with a larger or different sample of stimuli?
October 31, 2024 at 12:52 AM