IB Psychology HL Topic 3 — Interpersonal Relationships Paper 1 & 2 Cognitive approach ~9 min read

The Matching Hypothesis: Do Likes Attract?

The theory says you quietly rate yourself, quietly rate everyone else, and aim for someone at roughly your own level. It sounds plausible and slightly bleak. Then someone tested it against what people actually do on a dating site, and the results did not cooperate.

📘 What you need to know

The balancing act

The trade-off the theory is built on every choice costs something, so people settle in the middle aim higher greater risk of rejection aim lower safer but less satisfying your own perceived level so expectations drift towards what feels attainable That is the prediction. Real dating behaviour did something else. Repeated rejection is supposed to push the beam back towards the centre.
The mechanism depends on people learning from rejection. If they do not adjust — and Taylor’s initiators did not seem to — the theory loses its engine.
This is one of the rare topics where the headline study contradicts the theory it was testing. Do not hide that. An essay that explains a disconfirming result and then asks what it means is worth far more than one that pretends the evidence lined up.

Research support — or rather, against: Taylor et al. (2011)

Why online dating changes the sums. The theory’s engine is fear of rejection, and rejection online is cheap: no public embarrassment, no witnesses, and you can message twenty people in an evening. If the cost of aiming high collapses, the reason to match disappears. That is a better explanation of Taylor’s result than “the theory is simply wrong”, and it is the kind of reasoning that scores.

Evaluation

Strengths

Limitations

EXAM QUESTION

Evaluate one theory of the formation of personal relationships. [22]

Step 1: state the hypothesis and its cognitive basis Walster (1966); self-assessment plus assessment of others based on appearance. Step 2: explain the mechanism, not just the claim Risk of rejection versus satisfaction; repeated rejection adjusts expectations downwards. Step 3: use Taylor honestly 966 photographs, blind raters, 7-point scale, no correlation, initiators aimed above their own rating. Step 4: explain the disconfirmation before dismissing the theory Online rejection is cheap, so the mechanism may simply not apply in that context. Then add reductionism and the missing variables. Top answers explain why a theory failed, not just that it did

Link to concepts

Causality

What counts as attractive is highly subjective and prone to individual differences, which weakens the scientific validity of the theory before any data is collected. Attraction does not lend itself easily to experimental testing, and is arguably better suited to qualitative research that asks people what actually drew them to someone.

Responsibility

Research that rates people’s physical attractiveness has to be handled with real care. If participants learn how they were rated, and the rating is lower than they expected, that could cause embarrassment or distress. Anonymity matters too: it would have been essential for Taylor’s team to ensure the dating site photographs were never published and that no clue was given as to whose images had been used.

💡 Exam tip

⚠ Common mix-up

Up next: Self-Disclosure and Growing Closer — attraction gets a relationship started, but something else has to happen for it to deepen.

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