“…Recently, several researchers have been using a variation termed the Single-Category IAT (Bohner, Siebler, Gonzales, Haye & Schmidt, 2008;Friese, Bluemke & Wanke, 2007;Houben & Wiers, 2009;Karpinski & Steinman, 2006;Penke, Eichstaedt, & Asendorpf, 2006;Siebler et al, 2010; for a discussion of the reliability and validity of such IAT's, see Bluemke & Friese, 2008). In these IAT's, participants only categorize instances from one target category at a time, with either negative or positive instances.…”