If you are a Psychology student for the entire bachelor:
You can easily become a member by:
Filling out this online form: Registration form. If you don't own a Dutch bank account, fill out the regular form down here!
Or: come by at the Labyrint common room to fill out a form (SA55).
If you study Psychology here for only half a year:
Fill out the registration form in the Labyrint common room (SA55) and pay by card right away. Depending on your membership you pay either €9,- for a semester or €17,50 for a year*.
*You are required to pay the membership fee that is specified in the House Rules.