[boona]

> This animation visualizes the increasing partisan nature of Congress over the last 60 years

I've worked in government, and when we were asked to generate reports, there was a conclusion that they wanted to draw and they were looking for data to back it. If you ever hear something like "during the Carter era" it's likely because that's the only time the data showed what we wanted to make a point.

In this case, I would need to see why they chose 60 years rather than say 100 years. 60 seems like an arbitrary number that needs to be investigated. They may be right, but having read their pitch, there are a bunch of red flags that scream that this is ideologically driven rather than actually being "fair".

I'd be interested if someone did a deeper analysis.

[haltingthoughts]

You can look up DW nominate scores from since late 1800s and you'll see the rise since 1975

https://legacy.voteview.com/Political_Polarization_2014.htm

[gmiller123456]

There's an xkcd that used the same data to produce a graph since the beginning: https://xkcd.com/1127/

[vowelless]

True. There indeed could be a selection bias in this range. The one reason why I was initially okay with that date range is because it is from after WWII (which was an exceptional event).