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Resolve Paradox or Discrepancy Practice Test
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Q1
In a mid-sized coastal city, hospital administrators reported that, after a new hand-hygiene campaign began, the proportion of staff observed using sanitizer at key moments rose from 42% to 78% over six months. Yet during the same period, the hospital’s rate of certain hospital-acquired infections (HAIs) increased by 12%. The campaign did not change staffing levels, and the hospital did not expand bed capacity. However, the laboratory also began using a more sensitive molecular test for identifying the pathogens responsible for those HAIs, replacing a culture-based test that had been standard for years. Which of the following, if true, best resolves the apparent discrepancy?
In a mid-sized coastal city, hospital administrators reported that, after a new hand-hygiene campaign began, the proportion of staff observed using sanitizer at key moments rose from 42% to 78% over six months. Yet during the same period, the hospital’s rate of certain hospital-acquired infections (HAIs) increased by 12%. The campaign did not change staffing levels, and the hospital did not expand bed capacity. However, the laboratory also began using a more sensitive molecular test for identifying the pathogens responsible for those HAIs, replacing a culture-based test that had been standard for years. Which of the following, if true, best resolves the apparent discrepancy?