Question

Classify each of the studies as observational or experimental. IMPORTANT: TO BE GRADED CORRECTLY, ENTER O IF THE STUDY IS OBSERVATIONAL AND ENTER E IF THE STUDY IS EXPERIMENTAL. 1. A study at the University of Southern California separated 108 volunteers into groups, based on psychological tests designed to determine how often they lied and cheated. Those with a tendency to lie had different brain structures than those who did not lie (British Journal of Psychiatry) This study is an example of a/an study. 2. In a study of the effects of magnets on back pain, some subjects were treated with magnets while others were given nonmagnetic devices with a similar appearance (Journal of the American Medical Association). (The magnets did not appear to be effective in treating back pain.) This study is an example of a/an study. 3. Using a survey of 1502 Americans, the Pew Research Center determined that 85% of Americans believe that the country is more politically divided than in the past and that those divisions will persist. This study is an example of a/an study.

          Classify each of the studies as observational or experimental.

IMPORTANT: TO BE GRADED CORRECTLY, ENTER O IF THE STUDY IS OBSERVATIONAL AND ENTER E IF THE STUDY IS EXPERIMENTAL.

1. A study at the University of Southern California separated 108 volunteers into groups, based on psychological tests designed to determine how often they lied and cheated. Those with a tendency to lie had different brain structures than those who did not lie (British Journal of Psychiatry)

This study is an example of a/an study.

2. In a study of the effects of magnets on back pain, some subjects were treated with magnets while others were given nonmagnetic devices with a similar appearance (Journal of the American Medical Association). (The magnets did not appear to be effective in treating back pain.)

This study is an example of a/an study.

3. Using a survey of 1502 Americans, the Pew Research Center determined that 85% of Americans believe that the country is more politically divided than in the past and that those divisions will persist.

This study is an example of a/an study.

Classify each of the studies as observational or experimental.

IMPORTANT: TO BE GRADED CORRECTLY, ENTER O IF THE STUDY IS OBSERVATIONAL AND ENTER E IF THE STUDY IS EXPERIMENTAL.

1. A study at the University of Southern California separated 108 volunteers into groups, based on psychological tests designed to determine how often they lied and cheated. Those with a tendency to lie had different brain structures than those who did not lie (British Journal of Psychiatry)

This study is an example of a/an study.

2. In a study of the effects of magnets on back pain, some subjects were treated with magnets while others were given nonmagnetic devices with a similar appearance (Journal of the American Medical Association). (The magnets did not appear to be effective in treating back pain.)

This study is an example of a/an study.

3. Using a survey of 1502 Americans, the Pew Research Center determined that 85% of Americans believe that the country is more politically divided than in the past and that those divisions will persist.

This study is an example of a/an study.

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