In a Study Designed to Test the Effects of a New

question 51

Multiple Choice

In a study designed to test the effects of a new drug developed to treat Alzheimer's disease, half the patients were given the actual drug while the other half of the patients were given a placebo (sugar pill) . In this study, which group is the experimental group?

• A)the group that showed evidence of an improvement in their memory
• B)the group that received the actual drug
• C)the group that received the placebo
• D)the group of patients that was not included in the study

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Definitions:

Normal-Fault Basin

A low area that has been downdropped by one or more normal faults.

Passive Margin

A coastline margin that is not associated with plate boundaries and therefore experiences little to no seismic or volcanic activity.

Continental Collision

Continental collision occurs when two continental plates converge, resulting in the formation of mountain ranges and geological uplift.

Subduction Zone

A region where one tectonic plate moves under another, leading to geological phenomena like volcanic activity and earthquakes.