“…Despite their advantages, rules and instructions can also undermine our contact with other contingencies in the environment. Indeed, research has repeatedly shown that once behavior is controlled by a rule, individuals may persistently follow that rule, even when doing so no longer produces the most beneficial outcome (e.g., Donadeli & Strapasson, 2015; Harte, Barnes-Holmes, Barnes-Holmes, & McEnteggart, 2017;Hayes, Brownstein, Haas, & Greenway, 1986;Hayes, Brownstein, Zettle, Rosenfarb, & Korn, 1986;Joyce & Chase, 1990;Kudadjie-Gyamfi & Rachlin, 2001;Miller, Hirst, Kaplan, DiGennaro Reed, & Reed, 2014;Ninnes & Ninnes, 1998;Otto, Torgrud, & Holborn, 1999). We refer to this insensitivity of behavior to the consequences of other (non-instructed) contingencies, as the instruction or rule-based "insensitivity effect (IE)" 1 .…”