Introduction: People have preferences for the type of person they are attracted to based on looks. The EFAS measures individual differences in preferences for the looks of women. The test is only valid for people who attracted to women, people who are attracted to men should take the EMAS.

Procedure: The test consists of seventy pairs of photographs of people, for each pair you must choose which is the most attractive and by how much. It takes most people 4-8 minutes to complete.