“…Thomas Zentall and his colleagues have investigated a striking example of inefficient choice behavior in nonhuman animals (e.g., Laude, Stagner, Rayburn-Reeves, & Zentall, 2014;Rayburn-Reeves, Molet, & Zentall, 2011;Rayburn-Reeves, Stagner, Kirk, & Zentall, 2013;Stagner, Michler, Rayburn-Reeves, Laude, & Zentall, 2013; see also Cook & Rosen, 2010;Daniel, Cook, & Katz, 2015;McMillan & Roberts, 2015;McMillan, Sturdy, & Spetch, 2015). An early article in this experimental series presents several experiments that are illustrative of the basic effect.…”