Questions: Attraction and Proximity: Mere Exposure and Familiarity

Question 1

Students are randomly assigned to dormitory rooms. After one semester, friendship formation correlates more strongly with who shared a mailbox location (creating daily path crossings) than with who lived the fewest doors away. What concept best explains this pattern?

• A. Similarity attraction — students who share a mailbox location tend to have more in common.
• B. Functional proximity — daily paths that create contact predict friendship better than raw physical distance.
• C. Reinforced mere exposure — mailbox encounters constitute positive interactions that directly cause liking.
• D. Cognitive dissonance — people rationalize liking whomever they encounter most to avoid feeling arbitrary.

Answer: (B)

The Festinger, Schachter, and Back MIT housing study demonstrated that functional proximity — architectural and spatial features that cause daily paths to cross — predicted friendship better than physical distance. The mailbox example is a classic illustration: it creates involuntary contact through spatial structure, not through personal choice or shared traits. Since students were randomly assigned, the result cannot be attributed to pre-existing similarity. The mechanism is mere exposure via path-crossing, not positive interaction or similarity discovery.

Question 2

What happens to the mere exposure effect when the initial encounter with a stimulus is negative?

• A. The effect neutralizes the negative impression — repeated exposure always shifts evaluations toward a neutral baseline.
• B. The effect amplifies the existing evaluation — repeated exposure after a negative first impression deepens disliking.
• C. The effect is suspended — mere exposure only operates on neutral stimuli, not negatively valenced ones.
• D. The effect eventually reverses — sufficient repeated exposure always produces liking regardless of initial impression.

Answer: (B)

The mere exposure effect amplifies existing evaluations rather than overriding them. If the first encounter is negative, repeated exposure tends to deepen disliking. This is why forced-contact settings — adversarial workplaces, hostile group environments — can intensify hostility rather than producing familiarity-based liking. The mechanism (processing fluency → affective signal → attribution to stimulus) interacts with the valence already attached to the stimulus: fluency attributed to something already disliked reinforces the negative evaluation rather than neutralizing it.

Question 3

The mere exposure effect operates through processing fluency: familiar stimuli are processed more easily, and this fluency generates a faint positive affect that gets attributed to the stimulus.

• T. True
• F. False

Answer: True

Processing fluency is the leading mechanistic account of the mere exposure effect. A previously encountered stimulus is processed faster and more effortlessly. This reduction in cognitive effort registers as a mild positive signal, which is typically misattributed to the stimulus itself ('I feel good, so this thing must be good') rather than to prior exposure. The effect is strongest with subliminal or incidental exposure because awareness enables correction: 'I've seen this many times before, that's why it feels familiar' disrupts the misattribution and reduces the liking increase.

Question 4

Proximity causes attraction primarily because people who live or work near each other have more opportunity to discover their similarities, and similarity is the true underlying cause of liking.

• T. True
• F. False

Answer: False

Proximity produces liking through mere exposure and processing fluency — a mechanism that operates independently of similarity discovery. Zajonc's original experiments showed liking increases for abstract shapes, Chinese characters, and photographs of strangers with no information about or interaction with the stimuli. In dormitory studies, random assignment controls for pre-existing similarity, yet proximity still predicts friendship. Similarity independently contributes to attraction and the two effects can compound, but proximity does not work by facilitating similarity discovery alone — exposure frequency is sufficient.

Question 5

Explain the mechanism by which mere exposure increases liking, and why the effect is strongest when people are unaware of how often they have encountered a stimulus.

Model answer: Repeated exposure makes the brain process a stimulus faster and more fluently. This ease of processing generates a faint positive affective signal. Because people typically cannot trace this feeling to its source (prior exposure), they misattribute it to the stimulus itself — 'I like this.' When people are aware of repeated exposure, they can attribute their familiarity to frequency rather than genuine appeal, correcting the misattribution and weakening the liking increase. Subliminal or incidental exposure prevents this correction, so the positive affect flows uninhibited to the stimulus and accumulates as liking over repeated encounters.

This mechanism explains why advertising works through repetition even without explicit persuasion: hearing a brand name repeatedly produces fluency, which feels vaguely pleasant, which gets attributed to the brand. In social contexts, simply sharing physical space with someone — without positive interaction — can build liking through the same fluency route. The implication for social media algorithms is significant: algorithmically amplifying a person's presence in your feed can generate liking through fluency, independent of actual interaction or similarity, because the underlying mechanism is exposure frequency rather than relationship quality.