Holmes’s critiques ended empirical projection research for decades

Evidence

Although there were sporadic attempts to empirically investigate projection in the 1950s and 1960s, Holmes’s critiques more or less closed the book on this kind of research. Even though the study of the cognitive and motivational processes underlying the impressions people form of other individuals and groups came to occupy center stage in social psychology (see Gilbert, 1998; Newman, 2001a), projection was still seen as a questionable psychoanalytic idea for which there was not – and perhaps never could be – empirical evidence. — , Rudman, Laurie A - On the Nature of…, 2354