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Explanatory Scope and Boundary Conditions
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ACT Prep
AS.086 Explanatory Scope and Boundary Conditions
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Research Summary: A room air filter was tested in a 30 m3 chamber with aerosol particles of 0.5, 1.0, and 2.5 um. Particle counts fell fastest for 2.5 um particles. Which application exceeds the evidence?
A
The tested chamber volume was 30 m3, within the range and context provided by the passage.
B
In the chamber, the filter removed 2.5 um particles faster than 0.5 um particles, using the measurements, labels, and constraints given in the prompt.
C
Claiming the filter will reduce hospital infection risk under all room sizes and ventilation patterns.
D
The study did not measure infection risk, when the stated controls and comparison conditions are applied.
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