Self-study
Letter to the Editor: Your article on effective cockroach control states that vexone is effective against only one of the more than 4,000 cockroach species that infest North America: the German cockroach. ██ ██████████ ██████ ███ ████ ████████ ███████████ ███ ██████ █ ██████ ███████ ███ ██ ███ ███████ ████ ██████ █████ ████████ ██ ███████ ███ ████████ █████ ██████ █████ ████████ ███████ ██ ████ █████████ ████ ███████████████ ███████ ████ █████ ████ █████
Summary
The letter writer claims that vexone is effective against all cockroach species in North America.
Notable Valid Inferences
This is a MBF Except question. This means all the wrong answers cannot be logically inferred from the stimulus. The right answer can be logically inferred from the stimulus.
A valid logical inference from the stimulus is that either the Editor’s article or the letter writer is incorrect about vexone’s effectiveness against cockroaches in North America.
12.
Each of the following statements █████████ ████ ███ ██████ ████████ ████ ███████
a
Vexone is effective ███████ ████ ███ ███████ ██ █████████ ████ ██████ █████ ████████
This conflicts with the letter writer’s view. He believes vexone is effective against the more than 4,000 cockroach species in North America.
b
Not all of ███ █████ ███████ ██ █████████ ████ ██████ █████ ███████ ███ ██ ██████████ ██ █████ ██████
This conflicts with the letter writer’s view. He believes Roach Ender is effective against all cockroach species in North America.
c
Every species of █████████ ████ ███████ █████ ███████ ███ ██ ██████████ ██ ███████
This does not conflict with the letter writer’s view. He believes vexone is effective against all cockroach species in North America.
d
The cockroach infestations ████ ████ ████ ████████ ████ ██████ ████ ███ ████████ ███ ██ ███ █████████ ███████ ████ ██████ █████ ████████
This conflicts with the letter writer’s view. He claims that many well-documented studies demonstrate that vexone is effective against all cockroach species in North America.
e
Roach Ender was ██████ ███████ ███████ █████ █████████ ███████ ████ ██████ █████ ████████
This conflicts with the letter writer’s view. The letter writer believes that studies show vexone is effective against all cockroach species in North America, of which there are more than 4,000.