Logical reasoning PrepTest 133 · Section 1 · Question 4

Incorrect. This might provide that birds are a viable alternative, but it doesn't explain why experts recommend them over bug zappers, and it doesn't address the recommended sprays at all.

Incorrect. The zappers could still be very effective against mosquitoes, just less so than other insects. This answer also doesn't establish that the other methods are effective against mosquitoes.

Incorrect. Comparing bug zappers to other light sources—especially to explain a recommendation by pest control experts—is out of scope.

Correct. Argument or Facts:
Facts

Question Type:
Paradox

Stimulus Summary:
Electric bug zappers are very effective, but experts recommend insect-eating birds or sprays over them.

Answer Anticipation:
We're tasked with explaining why the experts would recommend these other two insect-control methods over the electric bug zappers. The bug zappers are noted as being very effective at getting rid of flying experts, so there must be some downside to them that outweighs their effectiveness. And since we're meant to explain the recommendation, this downside must be something that doesn't apply to the suggested alternatives—birds and sprays.

Answer Explanation:
This answer brings up a downside of the electric bug zappers and notes that it's not a downside of the other two recommended methods. Experts recommend birds and sprays over zappers because while zappers are effective they focus on beneficial insects and not harmful ones, and so you should switch to a method that focuses on the harmful insects while leaving the beneficial ones.

Key Takeaway:
When a recommendation is made and one method is noted as being better than another, make sure your answer addresses a difference between the methods that plays into that recommendation.

Incorrect. First, this claim isn't necessarily true, so we don't know how much weight to give it. Second, even if they're not harmful to humans, birds, or pets, there's no indication that they work, or that they work better than zappers. Third, this doesn't provide any information about the benefits of insect-eating birds.