June 28th, 2024

Hack Your Way to Scientific Glory

FiveThirtyEight offers a guide for social scientists analyzing political parties' impact on the U.S. economy since 1948. Real data, statistical significance, key factors, influential positions, and monthly plotting are recommended. Scholars and data sources are referenced.

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Hack Your Way to Scientific Glory

FiveThirtyEight provides a guide for social scientists aiming to analyze the impact of political parties on the U.S. economy since 1948. Researchers are encouraged to use real data to establish statistical significance, focusing on factors like employment, inflation, GDP, and stock prices. The guide suggests weighting more influential political positions and excluding economic recessions. By plotting data points monthly, researchers can assess if the economy performs better or worse under different parties. To achieve publishable results, a p-value of 0.05 or lower is necessary. The article references scholars like Larry Bartels, Alan Blinder, and Mark Watson for further reading on this topic, citing data sources such as the @unitedstates Project, National Governors Association, Bureau of Labor Statistics, Federal Reserve Bank of St. Louis, and Yahoo Finance.

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Link Icon 5 comments
By @wjb3 - 4 months
An excellent demonstration of how easy it is to manipulate data to find significant results - it brings to light (again) the pervasive issue of data dredging in research, where researchers, intentionally or unintentionally, keep testing hypotheses until they find something publishable, thereby undermining the integrity of scientific findings and highlighting the importance of preregistration and replication studies.

How can we shift the academic incentives away from "publish or perish" toward promoting transparency and rigorous methodology in research? Are any of the current attempts moving the needle?

By @tbenst - 4 months
I know the exercise was to p-hack, but instead I decided to one-shot my attempt at the most reasonable model from first principals:

- given that we are looking at a national scale, use only national politicians

- use the components from Macroeconomics 101: exclude inflation as that’s on the Fed, exclude stocks as too conflated with FX and international investing alternatives

- don’t needlessly withhold data

Tried one hypothesis, so p-value of 0.04 is accurate. Still OK to explore if you Bonferroni correct the p-Val afterwards

By @user_7832 - 4 months
For anyone wondering about the title, it's about p-hacking - picking and choosing variables to suit your objectives. Highly recommend trying the mini-game, it's fun!
By @YossarianFrPrez - 4 months
They say a photo is worth a thousand words, and here, this demo is as convincing as a lot of the spilt ink regarding the replication crisis and social psychology. As someone who pursuing a PhD in the social sciences... This could be a useful tool for seniors majoring in the social sciences / who are taking stats classes.
By @paulpauper - 4 months
Sigh. P hacking has long been a meme. Nicholas Cage and shark attacks for example. P values are useful though if the results seem at least plausible or can be explained by some underlying process. Like a low p value between calorie restriction and weight loss.