Society of Experimental Psychologists
The Society of Experimental Psychologists (SEP), originally called the Society of Experimentalists, is an academic society for experimental psychologists. It was founded by Edward Bradford Titchener in 1904 to be an ongoing workshop in which members could visit labs, study apparatus, and hear and comment on reports of ongoing research.
Source: Wikipedia — Society of Experimental Psychologists (CC BY-SA 4.0)