“…Within the last almost 50 years, a large number of RRT models have been developed with various objectives such as improving efficiency (e.g., Boruch, 1971;Dawes & Moore, 1980;Eriksson, 1973;Mangat, 1994;Mangat & Singh, 1990;Moors, 1971), including questions with multicategorical or quantitative answers (e.g., Abul-Ela, Greenberg, & Horvitz, 1967;Himmelfarb & Edgell, 1980;Liu & Chow, 1976;Pollock & Bek, 1976), increasing respondents' cooperation (e.g., Greenberg, Abul-Ela, Simmons, & Horvitz, 1969;Daniel G. Horvitz, Shah, & Simmons, 1967;Kuk, 1990;Ostapczuk, Moshagen, Zhao, & Musch, 2009), and accounting for cheating or noncompliance with the instructions (e.g., Clark & Desharnais, 1998;. The RRT has been applied in surveys covering a variety of sensitive topics such as drug use (Dietz et al, 2013;Goodstadt & Gruson, 1975), doping (James, Nepusz, Naughton, & Petroczi, 2013;Simon, Striegel, Aust, Dietz, & Ulrich, 2006;Striegel, Ulrich, & Simon, 2010), crime (IIT Research Institute and the Chicago Crime Commission, 1971;Wolter & Preisendörfer, 2013), unwed motherhood (Abul-Ela et al, 1967), promiscuity (Liu, Chow, & Mosley, 1975), abortion (Abernathy, Greenberg, & Horvitz, 1970;Greenberg, Kuebler, Abernathy, & Horvitz, 1971), rape (Fidler & Kleinknecht, 1977;Soeken & Damrosch, 1986), homosexuality (Clark & Desharnais, 1998), tax evasion (Edgell, Himmelfarb, & Duchan, 1982), fraud (van der Heijden, van Gils, Bouts, & Hox, 2000), academic cheating (J.-P. …”