“…These include behavioral neuroscience (Schaal, 2012), resurgence (Lattal, St. Clair, & Escobar, 2012), response variability (Neuringer & Jensen, 2012), equivalence class formation (Sidman, 1994;Urcuioli, 2012), remembering (White & Wixted, 2010), delay discounting and its relation to personality and cognitive ability (Hirsh, Morisano, & Peterson, 2008), to behavioral economics and drug addiction (Bickel & Marsch, 2001), and to consumption and choice (Hursh, Madden, Spiga, DeLeon, & Francisco, 2012), among others. In each case, researchers have had to hone existing skills and develop new approaches to increase the tractability of studying this extensive range of new phenomena.…”