Self-study
Principle: Support When none of the fully qualified candidates for a new position at Arvue Corporation currently works for that company, it should hire the candidate who would be most productive in that position.
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Summary
The conclusion is that Arvue should not hire Krall for the new position.
Why? Because of the following:
Rule: If none of the fully qualified candidates for a new position currently works for Arvue, Arvue should hire the candidate who would be most productive in the position.
Fact: Delacruz is a candidate for the position and is fully qualified.
Missing Connection
We want to prove that Arvue should not hire Krall. The only way to do that with the given rule is to first make the rule trigger (if the rule doesn’t trigger, it can’t possibly justify the application), and then to make sure that the rule leads to hiring someone else instead of Krall.
To trigger the rule, we need to know that none of the fully qualified candidates currently works for Arvue.
We then need to use the rule to reach the conclusion that Krall shouldn’t be hired. But the rule only tells us who should be hired. So we’ll need to show that someone else instead of Krall should be hired. We know Delacruz is an option (because he’s a fully qualified candidate). So if we knew Delacruz would be more productive than Krall, then Delacruz would be hired instead of Krall.
Pulling it all together, we need to know that (1) none of the fully qualified candidates works for Arvue and (2) Delacruz would be more productive in the position than Krall.
19.
Which one of the following, ██ █████ █████████ ███ █████ ███████████ ██ ███ ██████████
a
All of the ██████████ ███ █████ █████████ ███ ███ ███ █████████ ███ ████ ███████ █████ ███ ██████
(A) establishes that the rule triggers, but we don’t know who is the most productive. Thus, (A) doesn’t prove that we shouldn’t hire Krall. Maybe Krall would be the most productive.
b
Of all the ██████████ ███ ██ ███ ███████ ████ ███ ██████ ████████ █████ ██ ███ ████ ██████████ ██ ███ ███ █████████
(B) doesn’t establish that the rule triggers. We don’t know that none of the fully qualified candidates currently works for Arvue. It’s possible one of the candidates who’s fully qualified works for Arvue; in that case, the rule doesn’t apply, and we don’t have any basis to conclude that someone should or should not be hired.
c
Krall works for ██████ ███ ████████ ██ ███ █████████ ███ █████ ██ ████ ██████████ ██ ███ ███ █████████
(C) doesn’t establish that the rule triggers. It’s possible one of the fully qualified candidates currently works for Arvue; in that case, the rule doesn’t apply, and we don’t have any basis to conclude that someone should or should not be hired.
d
Several candidates currently ████ ███ ██████ ███ █████ ███ ████████ ██ ████
(D) doesn’t establish that the rule triggers. It’s possible one of the fully qualified candidates currently works for Arvue; in that case, the rule doesn’t apply, and we don’t have any basis to conclude that someone should or should not be hired.
e
None of the ██████████ ███████ █████ ███ ██████ ███ ████████ ██ ███ █████████ ███ █████ ██ ████ ██████████ ██ ███ ███ █████████
(E) establishes that the rule triggers, because none of the candidates (including any fully qualified candidates) already works for Arvue. So Arvue should hire the most productive candidate, then. And since Delacruz is the most productive (which implies that Krall isn’t), that means Arvue should hire Delacruz and NOT Krall.