The SPF is a flexible technique designed to measure implicit social cognition. It assesses automatic associations between concept (e.g., gender) and attribute (e.g., evaluation) categories. Thank you to Michelangelo Vianello at University of Padua for supplying this script.
Bar-Anan Y., & Nosek, B. A., & Vianello, M. (2009). The Sorting Paired Features Task: A Measure of Association Strengths. Experimental Psychology, 56, 329-343.
Sorting paired features task on Project Implicit.