title: XPIP 2.2: X Portable Interface Package.
abstract: Psychophysical researchers often need to vary stimuli parametrically during experimental design. The X Portable Interface Package, a set of free software libraries for X-Windows, provides a suitable platform for quickly prototyping visual stimuli and administering simple experiments.
authors.affiliation: Enkidu Research, Inc., Rochester, NY 14616, USA. lesher@ens.bu.edu
authors.forename: G W
authors.initials: GW
authors.lastname: Lesher
mesh_terms: D016288:Computer Terminals; D003626:Data Display; D006801:Humans; D009903:Optical Illusions; D010364:Pattern Recognition, Visual; D011601:Psychophysics; D012984:Software; D012985:Software Design; D014584:User-Computer Interface