Can science validate interrogation techniques - and if so, how?

科学能够证明审问技巧有效么—如果能，那怎么证明？

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And, crucially, are there any interrogation techniques that can be shown to be both effective and humane?

并且，关键的是，到底有没有一种审问技巧可以被证明既有效又人道？

youdao

She works for the California Bureau of Investigation and is an expert in body-language and (non-violent) interrogation techniques.

她在美国加利福尼亚州调查局工作，并且是一位身体语言与非暴力审问技巧的专家。

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Former CIA inspector general Fred Hitz says that while he finds the interrogation techniques abhorrent, he agrees with the president's decision.

VOA: standard.2009.04.17

He said the harsh interrogation techniques used on a few detainees were legal, essential and justified.

VOA: standard.2009.05.21

Mark Danner describes the interrogation techniques Zubaida and the other detainees say they were subjected to.

VOA: standard.2009.03.23

Obama said he could not "disagree more" with proponents of so-called enhanced interrogation techniques such as waterboarding.

CNN: Obama defends plan to close Gitmo

Mr Schlesinger criticises the Pentagon for not being clear about what sorts of interrogation techniques were allowed.

ECONOMIST: Trials and tribulations

Obama prohibited the use of so-called "enhanced interrogation techniques" such as waterboarding shortly after taking office in January.

CNN: Ex-CIA chief: Obama risks national security