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According to the mere exposure effect, Xavier will be most likely to make friends with : Bill, his roommate
What is exposure effect?
According to a psychological phenomena known as the "exposure effect," people tend to favor items just because they are familiar with them. This effect is sometimes referred to as the familiarity principle in social psychology. Many other types of objects, including words, Chinese characters, artworks, photographs of faces, geometric patterns, and noises, have been used to demonstrate the effect. According to research on interpersonal attraction, people view a person to be more appealing and liked the more frequently they interact with them. The effect was first studied in detail by Gustav Fechner in 1876. The impact was also noted by Edward B. Titchener, who spoke of the "glow of warmth" experienced in the presence of something familiar.
Learn more about exposure effect with the help of given link:-
https://brainly.com/question/17517161
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