“…It is thus important to bring the behavior analytic interest in rule-governed behavior into conjunction with the PB developments. While this cannot be done exhaustively here, it can be indicated that in the same year Verbal Behavior was published, a study was published in the Journal of Experimental Psychology which dealt with the manner in which words elicit emotional responses (Staats & Staats, 1957; see also , 1959Staats, Staats, & Biggs, 1958;Staats, Staats, Finley, & Minke, 1963;Staats, Staats, & Heard, 1960, 1961Staats, Staats, Heard, & Nims, 1961). Moreover, the study showed how words acquire that property of eliciting emotional responses.…”