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This activity contains 20 questions.

Question 1
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Which of the following is a NOT good hypothesis?
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Question 2
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Li is studying the effects of a potential anticancer drug on cancer cells. The drug is designed to kill cancerous cells after a day of treatment. What would be the best control to use in her experiments?
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Question 3
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Justin conducts a survey to determine if exercise and the duration of a cold can be correlated. The graph below represents his results. Which of the following statements best summarizes Justin's findings?


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Question 4
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In a study of random volunteers who answered a newspaper ad for a cold remedy study, there was a correlation between the use of the remedy and a reduction in the duration of a cold. Why would this result alone not be enough to demonstrate that the cold remedy is effective?
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Question 5
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Which of the following hypotheses is NOT directly testable using experiments?
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Question 6
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Dr. Patel wants to test his hypothesis that consumption of glucosamine sulfate reduces joint pain. How can he reduce the likelihood that an alternative hypothesis can explain his experimental result?
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Question 7
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Which of the following is NOT considered a scientific statement?
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Question 8
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What is the germ theory?
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Question 9
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Testing "if...then" predictions in order to determine the validity of a hypothesis is an example of
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Question 10
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Under the umbrella of the scientific method, "truth" is defined as
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Question 11
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Which of the following is the best case scenario, in a medical research experiment?
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Question 12
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Which of the following is most likely to rely upon a model organism?
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Question 13
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Which of the following would involve following one group of individuals as you measure exposure to a treatment and disease prevalence over time?
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Question 14
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What experimental result would lead a scientist to reject the hypothesis that a certain nutritional supplement can increase a person's mental activity level?
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Question 15
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Imagine that a study tested a new drug and a placebo on pain reduction in cancer patients. The resulting data showed that the mean pain reduction for patients receiving the drug was more than the mean pain reduction for those receiving the placebo. Why can't you make any scientific conclusions based on this information?
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Question 16
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Which of the following most likely indicates a true difference between two experimental treatment groups in a study, if the means differed between the groups?
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Question 17
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A biotech company publishes results that indicate a large difference in recovery time from cancer in patients that take its new drug. The studies were conducted on a small group of cancer patients. Assuming the hypothesis is true, what would be the most likely conclusion someone would draw from this report?
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Question 18
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Which of the following examples would be considered a primary scientific source?
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Question 19
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Which of the following news stories from a media source contains scientific findings with the least credibility?
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Question 20
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Which of the following situations is NOT equivalent to a hypothesis test?
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