Man this was almost substance free, found it unreadable, what exactly are they doing? What is an example experiment and what does it show? The paper this Q an

Man this was almost substance free, found it unreadable, what exactly are they doing? What is an example experiment and what does it show? The paper this Q and A is about is mostly surface level it seems. https://www.annualreviews.org/doi/pdf/10.1146/annurev-polisci-051120-013649 https://www.annualreviews.org/doi/pdf/10.1146/annurev-polisc...