“…The value of Cronbach's alpha in the adaptation of the adult form of the scale into Spanish was .89 (Orgiles, Mendez, Spence, Medina & Espada, 2012); the adaptation into Iranian was .92 (Essau, Olaya, Pasha, O'Challaga & Bray, 2012); the adaptation into German was .92 (Essau, Muris & Ederer, 2002); the adaptation into Greek was.90 (Mellon & Moutavelis, 2007); the adaptation into Japanese was .88 (Ishikawa, Oota, & Sakano, 2001) and the adaptation into South African was .92 (Muris, Schmidt, Engelbrecht, & Perold, 2002). The Guttman split-half value was reported to be .90 in the German adaptation study (Essau, Muris & Ederer, 2002).…”