1. Which of the following two statements are correct?

A) A statistically significant result is always practically significant

B) A result that is not statistically significant is never of practical significance

C) It is possible that a statistically significant result is not of practical significance

D) It is possible that a result that is not statistically significant is of practical significance.

2. A hypothesis test with a statistically significant result indicates that the alternative hypothesis is correct.

A) True

B) False

3. Researchers must obtain Informed Consent from all human participants in a research study. Informed Consent requires that participants are informed of the following (check all that apply):

A) Informed consent must describe the research and what is requested of the subjects

B) Informed consent must describe the anticipated risks and potential benefits

C) Informed consent must disclose any alternative procedures or courses of treatment (other than participation in the study), if any, that may be advantageous to the subject.

D) Informed consent must describe provisions maintaining the subject's privacy and confidentiality of records

E) Informed consent must indicate that a subject has the right to leave the study at any time without penalty or loss of benefits, (benefits to which the subject is otherwise entitled to just by agreeing to participate).

4. Large payments to subjects for taking part in an experiment are unethical primarily because:

A) It is a form of coercion that reduces the freedom of choice about taking part.

B) It may cause the subject to give fake results so they can participate in other experiments

C) If this was a precedent, it would make experiments too expensive

5. In testing whether a new cold remedy reduces the average length of time that a subjects cold would last, a researcher plans an experiment with 25 subjects getting the new remedy and 25 getting a placebo.

A) It is more likely that the researcher can get a small p-value if she used fewer subjects

B) it is more likely that the researcher can get a small p-value if she used more subjects

C) It is more likely that the researcher can get a larger p-value by using a within subject design with less variability