Abstract
A popular measurement heuristic called the “Dead Man Test” predicts that behavior will be absent in vitality-challenged individuals. Unfortunately, the core idea behind the Test lacks empirical support, is hopelessly vague on several counts, and may be at odds with key aspects of behavior theory. This raises serious concerns about whether the Test should continue to be employed as a guide to behavioral measurement.
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Notes
At least not in the sense of Skinner’s (1938) objective definition: “the movement of an organism or of its parts in a frame of reference provided by the organism itself or by various external objects or fields” (p. 6).
Lindsley (1991) recalled devising the test in 1965 while concerned about the target behaviors that school personnel were selecting for behavior management interventions: “If a dead boy could do it, it wasn’t behavior; we should not spend valuable school funds teaching children to play dead” (p. 457).
This is an extremely serious matter given that unfalsifiable claims are one of the hallmarks of pseudoscience (Normand, 2008).
Consider, for instance, the proverbial chicken running around with its head cut off, or scientific data on the continued activity of decapitated cockroaches (Choi, 2007).
This poor reliability may be illustrated by the detection, through functional magnetic resonance imaging technology, of apparent neural activity in an Atlantic salmon that had been diagnosed as deceased (Bennett, Baird, Miller, & Wolford, 2011).
Hypothesized categories include but are not limited to zombies, ghosts, golems, vampires, and psychological theories whose popularity is not attenuated by contrary evidence (Ferguson & Heene, 2012).
A common feature of pseudoscience is presenting as “evidence” an idea’s endorsement by a famous “expert” (Hines, 1993). Lindsley certainly qualifies as an expert on applied behavioral measurement but his endorsement of the DMT does not make it valid.
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Portions of this article are based on the following non-copyrighted report: Critchfield, T.S., & Shue, E.Z.H. (in press). The Dead Man Test: A preliminary experimental analysis. Experimental Analysis of Human Behavior Bulletin.
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Critchfield, T.S. Requiem for the Dead Man Test?. BEHAV ANALYST 40, 539–548 (2017). https://doi.org/10.1007/s40614-016-0082-5
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DOI: https://doi.org/10.1007/s40614-016-0082-5