BBH 440: Exam #4 Questions With Correct
Answers.
A researcher conducts a survey that is used to find the prevalence of HPV in the United States.
Based on this information alone, this is what type of research: - answerDescriptive
A researcher publishes a case series that describes 18 cases of a ...
Which of the following is true about surveillance studies? - answer✔Sentinel surveillance can
alert officials of a problem in a healthcare system
Descriptive studies can only be observational studies. - answer✔True
Which of the following would be the best study to use if you wanted to be able to confidently say
one variable causes another variable to change? - answer✔prospective cohort study
Which of the following is NOT a reason to conduct a triple-blind study? - answer✔Reduces the
bias in selecting participants
A researcher wants to test the effectiveness of billboards in increasing HPV vaccination rates.
She chooses two cities and gets statistics on HPV vaccine rates for a 3 month period. Then she
puts pro-HPV vaccine billboards up in one city (but not the other) for 3 months. Finally, she
compares statistics on HPV vaccine rates again after the intervention. This is what type of study?
- answer✔community trial
To test the effects of exercise on memory, a group of participants are asked to do yoga before a
memory test one day and then to jog before a memory test the next day. Each participant's
memory score is compared after doing yoga to after jogging. This is what type of design? -
answer✔within-subjects
A research group is interested in studying the relationship between pesticide exposure and
neurological disorders. They identify a group of people who have had high levels of pesticide
exposure and another who had no pesticide exposure. They then follow-up with them every year
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