International Index of Erectile Function Questionnaire

**Semantic type:** Intellectual Product

**Definition:** A standardized survey developed and published by Raymond C. Rosen and colleagues in 1997 which is used to assess erectile function. This instrument is a self-administered questionnaire with 15 items each with as set of 5 or 6 response options associated with a score of 1-5 or 1-6.

**Synonyms:** - IIEF - IIEF - IIEF01