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Answer: laboratory observation
Explanation:
Laboratory observation is observing the behavior of subjects/people in a particular environment. This is what the researcher's intend doing for the three days Tess has been at sleep in the artificial setting.
The correct answer is retroactive interference
Retroactive interference refers to the phenomenon wherein newly learned and memorized information get in the way of or interferes with recalling and retrieving old memories. In this instance, Alexis's newly formed memory of her current phone number is interfering with her ability to retrieve the memory of her former <span>dorm room's</span> phone number.
OligarchyIn this political system, a small group of people hold all the political power. They typically use it to benefit their own social class.