Type ii falsely claim new drug doesnt work

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Type II: Falsely claim new drug doesn’t work Implication: A working drug goes back to lab for improvements Minimize Type I by setting alpha low : 01 . 3. Researchers are studying the effects of TV watching on cognitive development in toddlers. Recent surveys have shown that 21% of 3-year-olds watch more than 5 hours of TV per day, and reports from cognitive psychologists indicate TV exposure may “rewire” the developing brain in adverse ways. They wish to test if toddlers who watch 5 hours or more of TV daily score less than average of 40 on tests of cognitive ability when entering first grade. Their sample size is 95. H 0 : μ TV = 40 H a : μ TV < 40 Type I: Falsely claim TV negatively affects cognition Implication: Academy of Pediatrics recommends no TV for toddlers when it is NOT in fact harmful. Type II: Falsely claim there is no affect by TV on cognition ( minimize ) Implication: Academy of Pediatrics fails to warn parents of a real problem that does exist. Minimize Type II by setting alpha high : 1 .
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4. Pregnant ladies take a glucose tolerance screening during the 24 th week of pregnancy to detect developing gestational diabetes. This condition can lead to premature labor. H 0 : No diabetes (normal or negative test, negative screening) H a : Diabetes (positive test) Type I: False Positive Implication: Treatment (diet, exercise, insulin) and more testing initiated when not needed. Type II: False Negative Implication: No additional treatment or test recommended when patient truly has condition. Minimize Type II by setting alpha high : 1 . 5. A manufacturer is testing light bulbs in the quality assurance lab. Each bulb receives a durability score. 100 bulbs from each production run are analyzed.
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