I've found this fragment from P. K. Dick's Do Androids Dream of Electric Sheep? regarding the Voight-Kampff test:

Rick said, "A female android."

"Now they're up to 4.0 and 6. respectively."

"That's high enough," Rick said; he removed the wired adhesive disk from his cheek and shut off the beam of light. "That's an emphatically empathic response," he said. "About what a human subject shows for most questions. Except for the extreme ones, such as those dealing with human pelts used decoratively . . . the truly pathological ones."

Would this mean that a human lacking empathy (a socio- or psychopath) would fail this test?

  • Stupid goddam test, I'm sick of trying to pass it! – DannyMcG Feb 19 at 3:44

If you read along a little further you'll find that this has been considered. A human with that little social empathy (e.g. none) wouldn't be able to function in society and would be immediately institutionalised but in theory, yes, you could get a false-positive out of someone who was deeply schizophrenic.

“One day, a few weeks ago, I talked with Dave about exactly that. He had been thinking along the same lines. I had a memo from the Soviet police, W.P.O. itself, circulated throughout Earth plus the colonies. A group of psychiatrists in Leningrad have approached W.P.O. with the following proposition. They want the latest and most accurate personality profile analytical tools used in determining the presence of an android—in other words, the Voigt-Kampff scale—applied to a carefully selected group of schizoid and schizophrenic human patients. Those, specifically, which reveal what’s called a ‘flattening of affect.’ You’ve heard of that.”
Rick said, “That’s specifically what the scale measures.”
“Then you understand what they’re worried about.”
“This problem has always existed. Since we first encountered androids posing as humans. The consensus of police opinion is known to you in Lurie Kampff’s article, written eight years ago. Role-taking Blockage in the Undeteriorated Schizophrenic. Kampff compared the diminished empathic faculty found in human mental patients and a superficially similar but basically—”
“The Leningrad psychiatrists,” Bryant broke in brusquely, “think that a small class of human beings could not pass the Voigt-Kampff scale. If you tested them in line with police work, you’d assess them as humanoid robots. You’d be wrong, but by then they’d be dead.” He was silent, now, waiting for Rick’s answer. “But these individuals,” Rick said, “would all be—”
“They’d be in institutions,” Bryant agreed. “They couldn’t conceivably function in the outside world; they certainly couldn’t go undetected as advanced psychotics—unless of course their breakdown had come recently and suddenly and no one had gotten around to noticing. But this could happen.”

Do Androids Dream of Electric Sheep? - Chapter 4

Note that a functioning sociopath or psychopath (one with sufficient empathy to get along in society) would still show up as human.

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  • Well your answer suggest "Yes, such human would be tested falsely-positive as android (although he/she would be probably already institutionalised", not "no, human cannot be falsely-positive tested". – Yasskier Feb 11 '18 at 21:34
  • @Yasskier - Hmm. If you tested someone who was certifiable (to the point that it was immediately obvious to the layman that they're abnormal) then you might get a false-positive. I thought the question was whether a functioning psychopath could pass it. – Valorum Feb 11 '18 at 21:36
  • Even very dysfunctional psychopaths have moments of lucidity. Even Leatherface has to go sometimes to buy fuel for his chainsaw. – Yasskier Feb 11 '18 at 21:39
  • "The idea of using a chainsaw as the murder weapon came to Hooper while he was in the hardware section of a busy store, contemplating how to speed his way through the crowd." – Valorum Feb 11 '18 at 21:41

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