To accept the ideomotor effect as part of the detection process is a genius idea.This way the "principle" of detection can be questionned again (and again) on new basis, so a real explaination (?) will never show up.
Soon someone will claim that gravity is absolutely necessary too ,but in a secret way

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-If it takes 12 minutes to dig a hole, how long would it take to dig half hole?
(This question was part of a Police academy exam.)