|Source: U of Maryland via MotherJone|
Looseness is described as being more accepting to people who are different than you. For instance State laws regarding punishment in schools or in favor of same sex marriage - things of that nature.
The higher the number the looser the State - looks like the Northeast and Western states are all loosey-goosey and the rigid guys are down south.
Read more: http://hashtagmaine.bangordailynews.com/2014/07/07/statistics/research-suggests-maine-is-one-of-americas-most-ideologically-loosest-states/