The International Test Commission (ITC) is an association of national psychological associations, test commissions, organizations and individuals, who promote "the proper development, evaluation and uses" of educational and psychological tests.[1] The ITC is a non-profit organization, affiliated to the International Association of Applied Psychology (IAAP) and the International Union of Psychological Science (IUPsyS). The ITC stimulates international cooperation on research projects relevant to a scientifically and ethically sound use of tests.[2] ITC develops guidelines on the use of tests; holds a biennial international conference; publishes a peer-reviewed journal (International Journal of Testing) and a newsletter (Testing International).