“…A minority of the work involves the experimental analysis of behaviour with other species (e.g., Leslie, 2011;Leslie, Norwood, Kennedy, Begley, & Shaw, 2012), while there are extensive investigations of ABA with children on the autistic spectrum (e.g., Devlin, Leader, & Healy, 2009;Lydon, Healy, & Leader, 2011) and a great deal of experimental research on relational frame theory, which is a behaviour-analytic approach to language and cognition (e.g., Murphy, Barnes-Holmes, & Barnes-Holmes, 2005; O'Hora, Barnes-Holmes, Roche, & Smeets, 2004;Whelan & Barnes-Holmes, 2004). Relatedly, Dermot Barnes-Holmes was shown to be the world's most prolific author in the experimental analysis of human behaviour between the years 1980 and 1999 (Dymond, 2002).…”