No occupation should be subject to a licensing requirement unless incompetence in the performance of tasks normally carried out within that occupation poses a plausible threat to human health or safety.
Principle:
If incompetence in the performance of tasks normally carried out within an occupation does NOT pose a plausible threat to human health or safety → the occupation should NOT be subject to a licensing requirement
(The principle tells us what’s necessary in order for an occupation to be subject to a licensing requirement. So, if that necessary condition is not met, an occupation should NOT be subject to a licensing requirement.)
The correct answer will either:
Conclude that an occupation should NOT be subject to a licensing requirement based on premises that establish incompetence in the performance of tasks normally carried out within an occupation does NOT pose a plausible threat to human health or safety
OR
Conclude that incompetence in the performance of tasks normally carried out within an occupation DOES pose a plausible threat to human health or safety based on premises that establish the occupation should be subject to a licensing requirement.
The principle stated above, if ██████ ████ █████ ██ ███████ ███ █████████ ██ █████ ███ ██ ███ █████████ ██████████
Because some of ███ ██████ ████ ██████ ████████ █████ ███ ████ ██ ██████████ ██ █████ ██████ ██ ███████ ██████ ████████ ██████ ███ ██ ███████ ██ █ █████████ ████████████
(A) merely establishes that “some” of the duties have no connection to health or safety. But this doesn’t imply that the tasks “normally carried out” don’t impact human health or safety. What police officers normally do might impact health or safety, even if some of their tasks do not.
Because there are ██ █████████ █████████████ ██ █████ ████ ████ ██ ██ ████████ ████████ █████ █ ██████ ██ █████ ███████ ████████ █████████ ██████ ███ ██ ███████ ██ █ █████████ ████████████
(B) establishes that the tasks normally performed by interior designers do not pose a threat to human health or safety. So, according to the principle, interior designers should not be subject to a licensing requirement.
Because hospital administrators █████████ ████ █████████ ████ ██████ ███ ██████ ██ ████████ ██ ███████ ████████ ██████████████ ██████ ██ ███████ ██ █ █████████ ████████████
Unreachable conclusion. The principle does NOT allow us to conclude that an occupation should be subject to a licensing requirement. If you think it does, you’re confusing sufficient and necessary conditions. You’re misintepreting the meaning of “unless.”
Because hair stylists █████████ ███ ██████████ ████ ███ ████ █ ██████ ██ █████ ██████ ██ ███████ ███████████ ████ ████████ ██████ ██ ███████ ██ █ █████████ ████████████
Unreachable conclusion. The principle does NOT allow us to conclude that an occupation should be subject to a licensing requirement. If you think it does, you’re confusing sufficient and necessary conditions. You’re misintepreting the meaning of “unless.”
Because tattoo artists ███ ██ ███ ████████ ██████ ██████████ ████ █ ███████ ██████ ██ █████ ███████ ██████ ███████ ██████ ██ ███████ ██ █ █████████ ████████████
Unreachable conclusion. The principle does NOT allow us to conclude that an occupation should be subject to a licensing requirement. If you think it does, you’re confusing sufficient and necessary conditions. You’re misintepreting the meaning of “unless.”
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