What role did richard nixon and his top aides play in the watergate scandal?

The role that richard nixon and his top aides play in the watergate scandal was : they may or may not have taken part in the break in but absolutely played a part in the attempted cover-up
In watergate scandal, a break-in happened in the Democratic national committee headquarters. Nixon's cover up and administration's resistance eventually led to a constitutional crisis

The best sociological research method would have to be using experiments although it has some disadvantages as well