Margeaux is introduced to the following people when she arrives at the party: Derek, Kayla, Calvin, Debbie, Rose, Melanie, Garrett, Tom, Francis, Jane, John, and Vincent. According to the serial-position effect, it will be most difficult to remember the names of:a. Derek, Kayla, John, and Vincent. b. Francis, Jane, John, and Vincent. c. Derek, Kayla, Melanie, and Garrett. d. Rose, Melanie, Garrett, and Tom.

Answer is D. Rose, Melainie, Garrett and Tom.

Explanation:

The serial-position effect is known to be a psychological effect,that is a memory related effect, where a person has tendency of remembering or to recall the first and the last items better than the middle items.

In this case, Margeaux will be able to remember the first and the last set of names better than the middle ones. This means that, Margeaux will remember the first set of names i.e  Derek, Kayla, Calvin and Debbie, and the last set of names Francis, Jane, John and Vincent , better than the middle set of names Rose, Melainie, Garrett and Tom.

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