A study is statistically significant if which of the following is true?
a. The findings do not represent the expected effect.
b. The findings represent a result due to chance.
c. The findings represent a result that is not due to chance.
d. The findings represent the expected effect.
Q. 2A double-blind experiment is one in which:
a. neither the scientists nor the subjects know who is receiving the treatment.
b. both the scientists and the subjects know who is receiving the treatment.
c. only the human subjects committee and the scientists know who is receiving treatment.
d. only the scientists know who is receiving the treatment.
Q. 3Research designs should answer all of the following questions EXCEPT:
a. Who should fund the study?
b. What type of research design should be used?
c. What statistical tests should be used to analyze the findings?
d. What are accurate methods for data collection?
Q. 4Study information that should be collected includes which of the following?
a. Only supportive evidence.
b. Evidence that both supports and refutes the question.
c. Evidence that leaves questions for further study.
d. Only evidence that disproves the question.
Q. 5A hypothesis can be defined as:
a. a finding that demonstrates a cause and effect.
b. a statement made prior to initiating the study to be proved or disproved.
c. subjects who do not receive the treatment in a study.
d. a study in which one group is randomly assigned.
Q. 6Which of the following is the definition of the scientific method?
a. Study results generated through opinion polls.
b. A carefully planned process for answering a specific question.
c. Study results generated through chance discoveries.
d. Study questions generated as a result of product promotions.
Q. 7Which of the following best describes the credentials that a registered dietitian holds?
a. Minimum B.S. in nutrition
b. Minimum B.S. in nutrition, accredited internship, national certification exam
c. Minimum B.S. in nutrition, training in diet counseling
d. Minimum B.S. in health, personal trainer certification
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