1. The association between coffee consumption and cancer of the pancreas 2. Type-A personality as a causal predictor of myocardial infarction (heart attack) 3. Assessment of current level of satisfaction with health services among the elderly 4. Evaluation of the effectiveness of a new vaccine to prevent AIDS among HIV-positive individuals 5. Association between air pollution levels and mortality rates in different cities
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The association between coffee consumption and cancer of the pancreas: The most appropriate study design for this topic would be a **case-control study**. This is because we are trying to investigate the association between a specific exposure (coffee consumption) Show moreā¦
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A nationwide survey conducted by the National Cancer Society revealed the following information. Of 10,000 people surveyed, 3200 were "heavy coffee drinkers" and 160 had cancer of the pancreas. Of those who had cancer of the pancreas, 132 were heavy coffee drinkers. Using the data in this survey, determine whether the events "being a heavy coffee drinker" and "having cancer of the pancreas" are independent events.
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The following table shows the results of a case control study that evaluated the relationship between coffee drinking and pancreatic cancer please calculate the ODDS RATIO ( OR) and conclude.
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A study is planned to research the effects of drinking coffee on hours of sleep. Would an experimental or observational study design be more appropriate? Select the correct answer below: An observational study should be used because it is not possible to control whether or not a person drinks coffee. An observational study should be used because it is not possible to control the number of hours of sleep a person has. An experimental study should be used where the consumption of coffee is the experimental factor. An experimental study should be used where the number of hours of sleep is the experimental factor.
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