[markdown]

RCT? Perhaps it would be helpful to explain what that is.

[mohaba]

It's in the second paragraph of the article

> The prize, awarded in early October, recognised the laureates’ efforts to use randomised controlled trials (RCTs) to answer social-science questions.

[chasingthewind]

Randomized controlled trial.

https://en.wikipedia.org/wiki/Randomized_controlled_trial