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Author Question: Which type of bias occurs when the dependent variable is influenced by changes made in the way ... (Read 20 times) |
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.