ACTUAL Exam Questions and CORRECT
Answers
1.
A hypothesis is a statement that
A)can be changed throughout the experiment.
B)can be avidly accepted by scientists.
C)can be tested and proven true.
D)can be tested and proven false.
E)precedes a theory. - CORRECT ANSWER - D)Can be tested and proven false
2.
The scientific process from beginning to end can be outlined as:
A)hypothesize, test, analyze, and conclude.
B)observe, hypothesize, test, analyze, and conclude.
C)observe, question, test, analyze, and conclude.
D)hypothesize, observe, analyze, and conclude.
E)observe, test, hypothesize, analyze, and conclude. - CORRECT ANSWER - B)observe,
hypothesize, test, analyze, and conclude.
What is the importance of peer review in the scientific process?
A)It helps a scientist formulate a hypothesis.
B)It helps a scientist choose test subjects.
C)It ensures that a study has been appropriately designed and correctly interpreted.
D)It helps the scientist collect data.
E)It is the first step in any scientific study. - CORRECT ANSWER - C)It ensures that a
study has been appropriately designed and correctly interpreted.
, What is the importance of a placebo?
A)It allows the researcher to treat control and experimental groups differently while allowing
them to believe they are being treated the same.
B)It allows the researcher to treat control and experimental groups the same while allowing them
to believe they are being treated differently.
C)It allows the researcher to use an experimental drug on more people.
D)It removes the need for a control group.
E)All of the above. - CORRECT ANSWER - A)It allows the researcher to treat control and
experimental groups differently while allowing them to believe they are being treated the same.
Statistical significance?
A)indicates a high likelihood that your results are due to your treatment versus due to chance.
B)is more likely to be reliable if you have a small sample size versus a large sample size.
C)is a requirement of the data from a scientific experiment.
D)indicates that the hypothesis should be rejected.
E)depends on large data sets. - CORRECT ANSWER - A)indicates a high likelihood that
your results are due to your treatment versus due to chance.
You are reviewing the results of five similar experiments, but each had a different sample size.
Which of the following experiments has the most reliable results?
A)the experiment with a sample size of 10
B)the experiment with a sample size of 100
C)the experiment with a sample size of 1000
D)the experiment with a sample size of 10,000
E)the experiment with a sample size of 100,000 - CORRECT ANSWER - E)the
experiment with a sample size of 100,000
Rank the following in order from most reliable to least reliable sources of information.