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Data Colada @datacolada.bsky.social · 14d

Would p-curve work if you dropped a piano on it?
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PIano being dropped on car in car testing facility

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Data Colada @datacolada.bsky.social · Jun 23

Colada[128] The Best Audit Study and its interesting shortcoming
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Data Colada @datacolada.bsky.social · Jun 2

Don't assume, plot
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Data Colada @datacolada.bsky.social · Apr 2

If you saw this
3% of valuations within $1 of mean
58% of valuations within $1 of median

Which would be more representative of the data:
the mean or the median?

datacolada.org/125?ab=1

[125] "Complexity" 2: Don't be mean to the median - Data Colada

In Colada[124] I summarized a co-authored critique (with Banki, Walatka and Wu) of a recent AER paper that proposed risk preferences reflect 'complexity' rather than preferences a-la Prospect Theory. ...

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Data Colada @datacolada.bsky.social · Mar 14

Measurement error, Nobel Prize winning research, friendly disagreements, and more....
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[124] "Complexity": 75% of participants missed comprehension questions in AER paper critiquing Prospect Theory - Data Colada

Kahneman and Tversky’s (1979) “Prospect Theory” article is the most cited paper in the history of economics, and it won Kahneman the Nobel Prize in 2002. Among other things, it predicts that people ar...

datacolada.org

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Data Colada @datacolada.bsky.social · Mar 5

Delving into a disagreement with prominent political scientists on a fundamental data-analysis question: what do you want to learn from a regression interaction?
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[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

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Data Colada @datacolada.bsky.social · Jan 7

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.

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[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

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Data Colada @datacolada.bsky.social · Dec 3

A popular tool in political science for dealing with nonlinearities in invalidated by...
...nonlinearities.

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[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 ...

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Data Colada @datacolada.bsky.social · Sep 16

Want to know how many people show an effect in a between-subjects study? Consider this off-label use of the Kolmogorov-Smirnov test

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