Re lalucas's #3, remember that (per an earlier thread) chapters at IU DO use RFM. As hard as that is for chapters for whom quota is a fluid thing - imagine doing that PLUS knowing you have a fixed number of spots to fill. With that double pressure, of course it's going to be girls who already know members who are kept on the party lists.
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It is all 33girl's fault. ~DrPhil
First semester activities are crucial for any school with deferred recruitment. Being cute, smart and anonymous is not going to get you a participation trophy in competitive recruitments.