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anonymity and confidentiality in mail surveys some common practices may appear to offer anonymity while actually
use of stored blood long ago doctors drew a blood specimen from you as part of treating minor anemia unknown to you the
testing vaccines one of the most important goals of aids research is to find a vaccine that will protect against hiv
experiments and surveys write a short report describing the differences and similarities between experiments and
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confidentiality at norc the national opinion research center conducts a large number of surveys and has established
make it an experiment in the following observational studies describe changes that could be made to the data collection
question taking the log of the response variable the distributions of the flower lengths in exercise are somewhat
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calcium and healthy bones adults need to eat foods or supplements that contain enough calcium to maintain healthy bones
compare the fries do consumers prefer the fries from burger king or from mcdonalds describe briefly the design of a
bicycle gears how does the time it takes a bicycle rider to travel 100 meters depend on which gear is used and how
design an experiment the previous two exercises illustrate the use of statistically designed experiments to answer
question college dining university and college food service operations have been trying to keep up with the growing
design a survey you want to investigate the attitudes of students at your school about the facultys commitment to
compare two doses of a drug a drug manufacturer is studying how a new drug behaves in patients investigators compare
would the results be different for men and women the drug that is the subject of the experiment in the previous
informed consent the requirement that human subjects give their informed consent to participate in an experiment can
question developing marketing strategies for travel to hawaii in 1997 approximately one-third of all tourists to hawaii
two ways to ask sensitive questions sample survey questions are usually read from a computer screen in a computer-aided
your institutional review board your college or university has an institutional review board that screens all studies
use of data produced by the government data produced by the government are often available free or at low cost to
who what and why for the statistics class data answer the who what and why questions for the statistics class data