“…In the philosophy of science, nonrandom, cumulative ''conceptual change'' in theories and knowledge is referred to as evolutionary epistemology. Although it is agnostic in its account of the change, evolutionary epistemology usually offers selectionist accounts based on variation, selection, and retention of scientific practices and their products (Campbell, 1974;Popper, 1972;Toulmin, 1972), some of them sympathetic to behavior analysis (e.g., D. L. Hull, 1988Hull, , 2001; see D. L. Hull, Langeman, & Glenn, 2001). Not only is science an evolutionary process in this sense, but so too is technology (see Basalla, 1988;Hughes, 2011;Petroski, 1992), including behavioral technology.…”