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The Empirical Slippery Slope from Voluntary to Non-Voluntary Euthanasia

Published online by Cambridge University Press:  01 January 2021

Extract

Slippery slope arguments appear regularly whenever morally contested social change is proposed. Such arguments assume that all or some consequences which could possibly flow from permitting a particular practice are morally unacceptable.

Typically, “slippery slope” arguments claim that endorsing some premise, doing some action or adopting some policy will lead to some definite outcome that is generally judged to be wrong or bad. The “slope” is “slippery” because there are claimed to be no plausible halting points between the initial commitment to a premise, action, or policy and the resultant bad outcome. The desire to avoid such projected future consequences provides adequate reasons for not taking the first step.

Thus the legalization of abortion in limited circumstances is asserted to lead down the slippery slope towards abortion on demand and even infanticide; and the legalization of assisted suicide to lead inexorably to the acceptance of voluntary euthanasia and subsequently to the sanctioning of the practice of nonvoluntary euthanasia – even involuntary euthanasia of “undesirable” individuals.

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Copyright © American Society of Law, Medicine and Ethics 2007

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References

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See Mitchell, K. and Owens, R. G., “National Survey of Medical Decisions at End of Life Made by New Zealand General Practitioners,” British Medical Journal 327 (2003): 202–3. (5.6% of respondent doctors making an end-of-life decision at the last death attended had performed active euthanasia or physician-assisted suicide; 44% of these decisions had not been discussed with the patient, almost entirely because the patient was no longer competent.) A direct comparison between this study and the most recent U.K. study is found in Seale, supra note 58, at Table 4: The rate of active euthanasia or physician-assisted suicide at the last death attended across all respondents (not simply those who made an end-of-life decision) was 3.1% in the New Zealand study (95% CI 2.1%-4.1%) and 1.4% in the U.K. study (95% CI 0.3%-2.5%).CrossRefGoogle Scholar
The empirical evidence is reviewed in Emanuel, E. J., “Euthanasia and Physician-Assisted Suicide: A Review of the Empirical Data From the United States,” Archives of Internal Medicine 162 (2001): 142–52, at 146, Table 4. (“Many studies indicate that a small, but definite, proportion of US physicians have performed euthanasia or PAS, despite its being illegal…. [T]he data provide conflicting evidence on the precise frequency of such interventions, with reported frequencies varying more than 6-fold even among the best studies.”)CrossRefGoogle Scholar
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This data is from van der Heide, supra note 59, at Table 2; Seale, supra note 58, at Tables 2 and 3; Kuhse, supra note 55, at Box 4.Google Scholar
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See Seale, , id. at Table 3; van der Heide, supra note 59, at Table 2. In fact, the reverse may be true. See the data on Italy and Sweden in Onwuteaka-Philipsen, supra note 73, at Table 3.Google Scholar
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